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CHAPTER 1. System Management

1. Version 2 public 90 90 1 234 162 2 Execute the ping command on the APC to check the network connection If the command fails contact your network administrator SAMSUNG Electronics Co Ltd page 36 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 7 1 7 1 Configuration Management Error when executing save local The save local command saves the currently active configuration information of the system If there is an error with the cm process which oversees various internal settings of the system or other processes related to settings are not working correctly an error may occur when executing the save local command The error also occurs if the system has insufficient disk space Symptoms The following error message is generated when executing the save local command WEC8500 save local Timeout No Response from or WEC8500 save local Failed to get running config Error failed to save configuration or EC8500 save local Please check the disk usage Error failed to save configuration Possible Causes The cm process is in an abnormal state Other processes related to saving of settings are abnormal e Insufficient disk free space Solutions 1 Execute the show processes status command to check the Status of the cm pr
2. SAMSUNG Electronics Co Ltd page 24 of 92 2600 O0OFK28GAB Ver 3 0 CHAPTER 1 System Management 4 If the partition checked is 1 execute the following command wec8500 tlv_eeprom set boot 2 SAMSUNG Electronics Co Ltd page 25 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 4 Problem in Process Operation If a problem occurs in the process operation of the APC system the system may not function correctly Since every process keeps a log record of all problems use the respective log information to identify the problem Symptoms The system does not function correctly or some of the commands do not work Possible Causes The problem occurs in process operation for the following reasons Core dump signal Control signal displays back trace log e Thread failure due to dead lock or endless loop Solutions 1 Execute the show process command to check the process Status WEC8500 show processes Processes Info Status D usually IO R Running S Sleep T Stop X Dead Z Zombie up Active down Inactive dis Disable id name pid activationTime status restart 0 swmmon 6222 2012 08 31 14 38 21 up S 0 1 evm 1759 2012 08 31 13 47 08 up S 0 2 evmlogd 1760 2012 08 31 13 47 08 up S 0 3 db 1807 2012 08 31 13 47 14 down 2 4 license 1838 2012 08 31 13 47 34 up S 0 2 Ifthe process status is not normal execute the
3. WEC8500 show ap summary State Location AP Mgnt interface IP 10 10 10 11 vlan1 110 AP ID Profile AP NAME MAC Address IPv4Addr 1 2 0 2 ap_2 Ap 0000aa161616 00 00 aa 16 16 16 0 0 0 0 Possible Causes The APC AP Ment interface IP setting is incorrect Checking and Solving the Problem 1 Check if the AP can ping other interfaces of the APC but not the AP Mgnt interface IP 2 Retrieve the interface state of APC AP Ment interface IP and check that it is up Checking AP Ment Interface IP Info from APC Check if the AP Mgnt interface IP information is a valid interface and the status of interface vlan1 100 is up WEC8500 configure show apc summary gt Check the APC AP Mgnt interface LP APC Summary AP Mgnt interface IP 100 100 100 1 MaxApNo 500 ActiveApNo 10 TotalApNo z 117 802 11la n Radios 10 107 802 11b g n Radios 10 107 ActiveStationNo S 2 SecurityAuthType z X909 RMacField Support DtlsPolicy Clear text SAMSUNG Electronics Co Ltd page 64 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP Interface lo mgmt 0 el e2 e3 e4 e5 e6 e7 e8 xel Q Q Q Q Q Q Q Q xe2 vlan1 1 vlan1 10 vlan1 100 IP Address 127 0 0 10 254 174 183 unassig unassig 30 30 3 unassig unassig unassig unassig unassig unassig unassig unassig Re Ee dal 100 100 100 1 wk n
4. 43 Figure 2 Web UI Login Error WiNdOW u uu u Q 45 Figure 3 Web Ul 802 1x authentication Tailure a 48 Figure 4 Web UI PSK authentication failure a 51 Figure 5 Web Ul Static WEP access failure 53 Figure 6 Web Ul Clustering function does not work 56 SAMSUNG Electronics Co Ltd page 8 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management CHAPTER 1 System Management 1 1 1 1 1 This chapter describes the symptoms of the APC system and their solutions System Booting This section describes the symptoms occurring during the system booting their causes and solutions Booting failure due to system overheating While the APC system is booting if the boot loader detects system overheat booting is stopped and power is automatically turned off to protect the hardware from any possible damages Symptoms During the booting the CPU overheat detected log indicating overheating of the central processing unit CPU is displayed in the boot loader and then the power is automatically turned off WEC8500 The power is still supplied to the power module and the fan of the power module remains operational WEC8050 For there is no separate power module the fan does not operate after power off SATA link up 3 0 Gbps SStatus 123 SControl 320 scanning bus for
5. Figure 1 Web UI Access Error Window Possible Causes The network is not connected Web server related processes are abnormal SAMSUNG Electronics Co Ltd page 43 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management Solutions 1 Execute the ping command to check the network connection If the command fails contact your network administrator 2 Execute the show processes command to check that the httprd snmpd and WebA gent processes are in up status WEC8500 show processes Processes Info Status D usually IO R Running S Sleep T Stop X Dead Z Zombie up Active down Inactive dis Disable id name pid activationTime status restart 32 httprd 2387 2012 08 31 13 47 08 up Ss 0 33 snmpd 2443 2012 08 31 13 47 08 up Ss 0 34 WebAgent 2444 2012 08 31 13 47 14 up S 0 SAMSUNG Electronics Co Ltd page 44 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 8 2 Login error Symptoms When attempting to log in at the Web UI login fails and the Incorrect ID or password error message is shown Message from webpage Incorrect ID or password Figure 2 Web UI Login Error Window Possible Causes The login account is not registered Solutions Execute the show mgmt users command to check the login account settings WEC8500 show mgmt users ALL USER
6. 100 100 100 1 vlanl 200 AP ID CFG NAME AP Name Mac_Address IPv4Addr State 1 ap_1 AP f4d9fb23c3f9 00 11 22 33 44 55 100 100 100 38 1 1 5 3 Contact the system administrator SAMSUNG Electronics Co Ltd page 58 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 2 3 3 Max clients restriction function does not work Symptoms Max clients restriction function for each wireless band or each WLAN is not working and associations are permitted Possible Causes There is an error with the connection CAPWAP between the APC and the AP Max clients restriction setting of the AP is incorrect Solutions 1 Check the State of CAPWAP If the state is not normal 1 1 5 solve the problem by referring to CAP WAP Status is not RUN WEC8500 show ap summary AP Mgmt interface IP 100 100 100 1 vlanl 200 AP ID CFG NAME AP Name Mac_Address IPv4Addr State 1 ap 1 AP f 4d9fb23c3f9 00 11 22 33 44 55 100 100 100 38 1 1 5 2 Check the max client restriction setting of AP 5 GHz AP show config radio interfacel max radio clients Allowed max clients per radio 2 4 GHz AP show config radio interface2 max radio clients Allowed max clients per radio 5 GHz WLAN ID 1 AP show config wlan bss 1 1 max_bss_ clients Allowed max clients per bss 3 4 SAMSUNG Electronics Co Ltd If the setting is different from
7. SAMSUNG Electronics Co Ltd ACL AP APG BSSID CAPWAP CHDC CPU DPC DCS DTLS FTP 12C UO MIB PSK Access Control List Access Point Access Point Controller Basic Service Set Identifier Control and Provisioning Wireless Access Point Coverage Hole Detection amp Correction Central Processing Unit Dynamic Power Control Dynamic Channel Selection Datagram Transmission Layer Security File Transfer Protocol Inter Integrated Circuit Internet Protocol Input Output Management Information Base Pre Shared Key page 90 of 92 2600 00FK28GAB Ver 3 0 ABBREVIATION R RADIUS RRM SE SNMP SSD SSID S W TS UI WE WEC Wi Fi WLAN SAMSUNG Electronics Co Ltd Remote Authentication Dial In User Service Radio Resource Management Simple Executive Simple Network Management Protocol Solid State Disk Service Set Identifier Software Technical Support User Interface Wireless Enterprise Wireless Enterprise Control Wireless Fidelity Wireless Local Area Network page 91 of 92 2600 00FK28GAB Ver 3 0 SAMSUNG Electronics Co Ltd WEC8500 WEC8050 APC Maintenance Manual 2013 Samsung Electronics Co Ltd All rights reserved Information in this manual is proprietary to SAMSUNG Electronics Co Ltd No information contained here may be copied translated transcribed or duplicated by any form without the prior written consent of SAMSUNG Inform
8. command saves the currently active configuration information of the system using the file name specified If other processes related to settings are not working correctly an error may occur when entering the export command The error also occurs if the system has insufficient disk space Symptoms The following error message is generated when executing the command WEC8500 export test Failed to get running config Error failed to create the configuration file or WEC8500 export test Please check the disk usage Error failed to create the configuration file Possible Causes Other processes related to saving of settings are abnormal Insufficient disk free space Solutions 1 Check the Status of evm db imi and snmp which are the processes related to saving of system settings If the process is in an abnormal state contact your system administrator WEC8500 show processes status Processes Info Status D usually IO R Running S Sleep T Stop X Dead Z Zombi up Active down Inactive dis Disable id name pid activationTime status restart 1 evm 1770 2012 09 05 11 03 08 up S 0 3 db 1817 2012 09 05 11 03 14 up S 0 18 imi 12268 2012 09 05 13 08 10 up S 0 29 snmpd 2466 2012 09 05 11 04 31 up S 0 SAMSUNG Electronics Co Ltd page 41 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 Syste
9. 4 0K Dec 26 16 47 06 etc file 1 0G Dec 12 17 48 18 bigFile directory 4 0K Dec 27 15 56 00 stats WEC8500 file remove bigFile disk bigFile Do you really want to remove it y n WEC8500 file df Device disk Filesystem ext4 Total size 11 6G Free space 1 0G SAMSUNG Electronics Co Ltd page 38 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 7 2 Error when executing import When executing the import command in order to apply an imported configuration file to the system entering the file name with the extension results in an error with a message saying that the file does not exist An error also occurs if the file is invalid The error also occurs if the system has insufficient disk space Symptoms An error message is generated saying that he file does not exist WEC8500 file WEC8500 file cd etc config WEC8500 file ls Current working directory disk etc config file 7 0M Jan 2 06 22 23 test wec8500 config WEC8500 file end WEC8500 import test wec8500 config File etc config test wec8500 config wec8500 config does not exist Error failed to apply the configuration file or WEC8500 import test Failed to extract file etc config test wec8500 config Error failed to apply the configuration file or WEC8500 import test Please check the disk usage Error failed to apply the configu
10. Local ClientIpAddress 0 0 0 0 EchoInterval 30 axDiscoveryInterval 20 ReportiInterval 120 StatisticsTimer 120 RetransmitInterval 5 axRetransmit 5 EchoRetransmitInterval 3 axEchoRetransmit 5 TelnetEnable Disable 50023 SshEnable Disable 50022 Uptime Oday s 00 00 00 Capwap Uptime Oday s 00 00 00 Last Join time IP mode AP Followed StaticIpAddress 0 0 0 0 StaticIpNetmask 0 0 0 0 StaticlIpGateway 0 0 0 0 Link Speed A Duplex A VlanSupport Disable ativeVlanId 0 FragmentSize 1400 RebootCause 0x0 PrimaryControllerName A SecondaryControllerName A TertiaryControllerNames A CfigMask Auto DTLS Policy Disable Discovery Type AP Followed Static Edge Ap Disable ApModelNumber ApSerialNumber BoardId 0 BaseMacAddr 00 00 00 00 00 00 ActiveSoftwareVersion BootVersion OtherSoftwareVersion Power Status LED Mode Unknown On If there is an unnecessary AP IP setting clear the setting in the following way WEC8500 configure terminal WEC8500 configure ap ap 1 gt ap _1 means ap profile name WEC8500 configure ap_1 profile ip mode ap gt Do not change the IP address that was configured in the AP SAMSUNG Electronics Co Ltd page 63 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP 3 1 2 AP management IP in APC setting error Symptoms CAPWAP Status of the AP is not changed to 1 2 0 and cannot be connected to the APC
11. baner asea pep autana aranhe ineas Apsesi nha naii 60 31 1 AP network Setting eOr crire a riiag AREAN a N saci 60 3 1 2 AP management IP in APC setting error u 64 E DE Ee Ee RE EE 66 32 Automatic Upgrade does not Work on AP ANEN 68 3 3 Problem Creating APs 72 CHAPTER4 Security Management 74 A1 Firewall does not WorkK u UU UU UU Tu suu ss uwwssawassqasusauwwakawauwqasus asuskasaswaasunaa 74 42 Cannot Detect Unauthorized APs U u uu uu uu uu uu u 76 CHAPTER 5 Wi Fi Management 77 5 1 Problem with Radio Settings U UU U u uuu uuu uuu uuu uu uu uu u 77 SAMSUNG Electronics Co Ltd page 7 of 92 2600 00FK28GAB Ver 3 0 TABLE OF CONTENTS Problem with Tx Power Settings I U u uu uu u uuu uuu u 79 RRM doesnot Work a ull UU S aT aN isussusquwwasakausauasusquwsasasasnasussaaswasaka was 81 Location Tracking does not Wolrk U U uu uuu uuu uu u 83 ANNEX A Problem Analysis Log List 84 Graeh e q A u W Sau au usss 85 trace llog U I asus caused ivadaadi E 86 A 3 deb g NOG rniran inanon aan aa aaa naaa aa ea aeaea ae aA EEA aeaa aaaea Tan Esana ENa 88 ABBREVIATION 90 LIST OF FIGURES Figure 1 Web UI Access Error Window U
12. communication fails the connection is lost after some time In this case re association information of the wireless station can be checked in the following way The information can be checked executing a CLI command in the following way EC8500 show station summary The information can be checked using the Web UI in the following way 1 On the top menu click Monitor 2 On the left menu click Stations Samsng A wireless Enterprise Monitor Configuration Administration Help Stations Show Filter EE mac USERNAME IP ADDRESS AP NAME AP MAP LOC AUTH CYPHER PROTOCOL CHANNEL gaa us ah ee 608498 Gs EE SS Rogues Interference Devices Figure 5 Web Ul Static WEP access failure Possible Causes e Wi Fi network authentication settings of the wireless station are incorrect e WLAN security settings of the APC are incorrect Solutions 1 Check Wi Fi network authentication settings of the wireless station Check if the Static WEP key setting is correct For details on checking the wireless station see the user manual of the respective product 2 Check if the WLAN security option of the APC is set to Static WEP If the security option is not Static WEP change the option by referring to the Operation Manual of the APC SAMSUNG Electronics Co Ltd page 53 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management The information can be checked executing a CLI command in the fo
13. devices Device 0 0 0 Vendor ATA Prod SanDisk SSD P4 1 Rev SSD Type Hard Disk Capacity 15272 0 MB 14 9 GB 31277232 x 512 USB S USB EHCI 1 00 scanning bus for devices 2 USB Device s found Type the command usb start to scan for USB storage devices boot partition 2 CPU overheat detected cpu 91 thr 85 SAMSUNG Electronics Co Ltd page 9 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management LKSSSSKSASSSSSSKESKSSSSSSKSASSSSSASASSSSSSSSASSSSSSSSKAIUSASASSSASSASSSASSSASSSSSASSESSS System will be shutdown to prevent critical hardware damage a E AE EE E AE FE AE HE AE E AE E AE EE FE AE E AE FE AE FE AE E AE FE AE E AE FE AE E AE FE AE E AE EE E AE FE AE E AE FE AE E AE FE AE E AE FE AE E AE FE AE FE AE FE AE FE AE FEAE Possible Causes This occurs if the CPU temperature exceeds the booting threshold 85 C for the following reasons e Malfunctioning of the fan Operational error of the temperature sensor Problem with the ambient temperature of the installation environment Solutions 1 Switch off the power module on the rear of the APC 2 Cool the APC sufficiently in room temperature or low temperature environment and then try booting again 3 Ifthe symptom persists contact the Samsung Technical Support Team for the countermeasure SAMSUNG Electronics Co Ltd page 10 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 1 2 Booting
14. no problem with the ambient temperature of the installation site contact the Samsung Technical Support Team for checking the system SAMSUNG Electronics Co Ltd page 29 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 5 2 Temperature Sensor Fail Alarm Temp Sensor Fail Alarm occurs if the temperature sensor of the system is faulty If the temperature sensor remains in faulty state for 24 hours or longer or if the temperature sensor and the fan are faulty at the same time the system is powered off for system protection Symptoms The following alarms are generated 2012 08 28 12 54 46 system CRT Temperature Sensor Fail APC Declare Temperature sensor is not working Please contact Samsung Technical Support Possible Causes e The temperature sensor is faulty e The system temperature cannot be checked due to faulty inter integrated circuit 12C Solutions Contact the Samsung Technical Support Team for the countermeasure SAMSUNG Electronics Co Ltd page 30 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 5 3 Fan Fail Alarm Fan Fail Alarm occurs when the fan of the system is faulty A faulty fan affects the system temperature and the system temperature may exceed the normal operational range While this alarm is active if System Temperature Alarm or System Thermal Runaway occurs the system may be powered off Symptoms The followin
15. that of the APC check step 1 first If the CAPWAP state is normal 1 1 5 reset the access restriction by referring to the APC Operation Manual Contact the system administrator page 59 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP CHAPTER 3 Connection Management with AP This chapter describes the possible problems and their solutions when connecting to the access point AP 3 1 CAPWAP Status is not RUN 3 1 1 AP network setting error Symptoms CAPWAP Status of the AP is not changed to 1 2 0 and cannot be connected to the APC WEC8500 show ap summary AP Mgnt interface IP 10 10 10 11 vlan1 110 AP ID Profile AP NAME MAC Address IPv4Addr State Location 2 ap_2 AP_0000aa161616 00 00 aa 16 16 16 0 0 0 0 1 2 0 Possible Causes TIP setting of the AP is incorrect IP setting of the AP is incorrect in the APC e IP of the AP is setup in duplication e The AP is setup for DHCP but the DHCP server does not respond or allocates an IP address in violation of the IP policy e The default VLAN settings are incorrect SAMSUNG Electronics Co Ltd page 60 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP Checking and Solving the Problem 1 From the APC try to ping the AP s IP address Pinging from APC to AP Check whether the APC can ping the AP s IP address and check that there is no problem with the netwo
16. wireless network environment This chapter describes the possible problems and their solutions while using various security features supported by the system 4 1 Firewall does not Work Access group of the firewall is applied to the interface but the firewall does not work This may occur if accelerator is not enabled for the firewall Symptoms The firewall policy is set up on the interface but is not applied to the packets Possible Causes Accelerator of the firewall is not enabled and therefore the firewall policy is not applied through the fast forwarding path of the equipment WEC8500 show firewall status Firewall Accelerator disable Max Connections 327680 The APC data processing uses the slow forwarding path and the fast forwarding IN path If there is information concerning processing of the data all data is processed through the fast forwarding path If the information does not exist the data is processed through the slow forwarding path All information concerning firewall policy is in the slow forwarding path SAMSUNG Electronics Co Ltd page 74 of 92 2600 0O0FK28GAB Ver 3 0 CHAPTER 4 Security Management Solutions Check the accelerator setting Firewall Accelerator of the firewall WEC8500 show firewall status Firewall Accelerator enable Max Connections 327680 If the setting is disabled execute the following command to enable it EC8500 con
17. wlanl 1 1 SAMSUNG Electronics Co Ltd page 46 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 2 Check that the AP attempting to access for service is a member of the AP Group ID specified in the WLAN settings WEC8500 show ap group summary APG_ID APG NAME WLAN Count WLAN List AP Count AP List 1 default 1 1 3 1 2 3 3 Check that the interface group ID IF_GRP_ID of the WLAN is valid WEC8500 show if group IF GRP_ID IF GRP NAME IF_Count IF List 1 ifgl 1 vilanl 110 10110 4 Check that the AP State is normal 1 1 5 WEC8500 show ap summary AP Mgnt interface IP 100 100 100 51 vlanl 110 AP_ID Profile AP NAME MAC Address IPv4Addr State Location 1 ap 1 AP 2334420 20 11 22 33 44 20 100 100 100 101 1 1 5 testl SAMSUNG Electronics Co Ltd page 47 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 2 22 Access Authentication of Wireless Station When a wireless station attempts to connect to a wireless fidelity Wi Fi network configured for 802 1x or pre shared key PSK authentication authentication fails If disconnected due to authentication failure information of the wireless stations is deleted from the system 2 2 1 802 1x authentication failure Symptoms When a wireless station attempts to connect to a Wi Fi network configured for 802 1x authentication re association
18. 0 configure rrm 80211 To Oo VM mo mo dpc dcs chdc dpc dcs chdc enable enable enable enable enable enable SAMSUNG Electronics Co Ltd page 82 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 5 Wi Fi Management 5 4 Location Tracking does not Work Symptoms The Location Tracking function does not work Possible Causes Location Tracking is disable 0 Solutions Execute the show locationtrack config command to check the Location Tracking setting information WEC8500 show locationtrack config Location tracking enable Enabled Algorithm type 4 Expiry date of history files 0 If Location Tracking is disable 0 execute the following command Step Command Description 1 WEC85008 configure terminal Go to configure mode WEC8500 configure locationtrack Go to locationtrack mode WEC8500 configure locationtrack enable Enable locationtrack 2 3 4 WEC8500 configure locationtrack station mac address SAMSUNG Electronics Co Ltd Setup MAC address of a station to track page 83 of 92 2600 00FK28GAB Ver 3 0 ANNEX A Problem Analysis Log List ANNEX A Problem Analysis Log List The logs managed by the APC contain important information which helps problem analysis This appendix provides a summary of meanings locations and methods of extraction for the logs helpful for problem ana
19. 1 4_17_0 22se crash_2013 1 4 17 0 22 SAMSUNG Electronics Co Ltd page 85 of 92 2600 00FK28GAB Ver 3 0 ANNEX A Problem Analysis Log List A 2 trace log ltem Storage Location File Type Description Extraction Method syslog log debug os syslog syslog N gz Important operation record information of system blocks logged by the system logger function WEC Administration gt File Management gt APC Local PC gt Select a file in the storage location in the browse window and click the Download button CLI WEC85003 file upload ID PW IPADDR disk log debug os messages messages WEC8500 file upload ID PW IPADDR disk log debug os kern log kern log alarm event log log system txt Log of alarms and events generated in the system Common WEC8500 configure terminal WEC8500 configure alarm dump current WEC Administration gt File Management gt APC Local PC gt Select a file in the storage location in the browse window and click the Download button After download completes click the Delete button to delete the extracted file CLI WEC8500 file upload ID PW IPADDR disk log system txt System DI WEC85008 file remove disk log system txt software manager log SAMSUNG Electronics Co Ltd log swm log Trace log recorded by the monitoring software which manages the application software blocks of the system WEC Administ
20. 16 2 Trapicannot b Sentainne delesia ENEE SEN dren Eara nde andi 36 1 7 Configuration Management U UU u u uuu uu uu uu uu u u T 37 1 7 1 Error when executing save local ue 37 LZ Error when exe cuting import uu ua dE 39 1 7 3 Error when executing export ee EENS ge 41 1 8 Web Ue ssiwscccvesscccstecesatencctecsceedecensscccvscecinde das eetentiesecceecenedeteeueeesneeeneerestndeccuresaceeuctresncneoeeenneetaned 43 NR ee E 43 18 2 LOGIN error u ansa awa takaya an lee nae a 45 CHAPTER 2 WLAN Management 46 SL WLAN S Utiings aise u E ctatdesuessbneysecuesuceerascrsndeescueuccncestonteed 46 2 1 1 BSSID of WLAN is not generated l uu 46 2 2 Access Authentication of Wireless Station J u uuu u 48 2 2 1 802 x authentication IC 48 22 2 PSK authentication failure s 2 iccccsceeictsssstesceeseacadecestsiisteveesheccsheuaadeiviedasdihiaas eungehescctsussteneeaina fanabes 51 2 2 3 Static WER access failure u as M eis alii een 53 2 3 Additional WLAN Services cseecsseesseessseeesseeesseeseseeenseeeeseeeaseeseseaeaenesaseeeaseesaseeeseneeeseeeaes 55 2 3 1 Clustering function does not work 55 2 3 2 Spectrum analysis is NOt provided uu a 57 23 3 Max clients restriction function does not work 59 CHAPTER 3 Connection Management with AP 60 3 1 GAPWAP Status is not RUN u saa asiar n esnea andona anosa on
21. 17 1 2 1 Alarm or event is not generated I U 17 1 2 2 System log message is not displayed u 18 1 23 Incorrect alarms are generated I U a 20 1 2 4 Syslog messages are not sent to the syslog server u a 21 1 3 Upgrade Failures 23 1 3 1 Upgrade was canceled due to its failure U u a 23 1 3 2 Upgrade completed successfully but the system was not booted successfully due to an error In the upgraded package ceisce ecstvsecscsivencevesreccueviceenuestvcequscnecertsetyessbtecnesaveveneeatirs qepsitieeusatiecnssatesenr sacs 24 1 4 Problem in Process Operation 26 1 5 Device related Alarms 28 1 5 1 System Temperature Alam EE 28 1 5 2 Temperature Sensor Fail Alarm u 30 1 5 3 Fan TEE TEE EM 1 5 4 Thermal Shutdown Alarm A 32 1 5 5 Disk Usage Alaria uy a unun uns eels oie a Be aed eee ee 33 15 6 Disk F l Alerte deeg eet 34 SAMSUNG Electronics Co Ltd page 6 of 92 2600 00FK28GAB Ver 3 0 TABLE OF CONTENTS 1 6 SNMP 35 1 6 1 N SNMP response s n cin yest a as naqa wash sa aepeeeeetecbeee 35
22. 2600 00FK28GAB Ver 3 0 WEC8500 WEC8050 APC Maintenance Manual J ELECTRONICS 2600 00FK28GAB Ver 3 0 COPYRIGHT This manual is proprietary to SAMSUNG Electronics Co Ltd and is protected by copyright No information contained herein may be copied translated transcribed or duplicated for any commercial purposes or disclosed to the third party in any form without the prior written consent of SAMSUNG Electronics Co Ltd TRADEMARKS Product names mentioned in this manual may be trademarks and or registered trademarks of their respective companies This manual should be read and used as a guideline for properly installing and operating the product All reasonable care has been made to ensure that this document is accurate If you have any comments on this manual please contact our documentation centre at the following homepage Homepage http www samsungdocs com 2013 SAMSUNG Electronics Co Ltd All rights reserved 2600 00FK28GAB Ver 3 0 INTRODUCTION INTRODUCTION Purpose This manual describes how to identify the cause of failures which occur in the Access Point Controller APC system and troubleshoot them This manual is written based on WEC8500 version 1 4 4 and WEC8050 version 1 0 0 Audience This manual is intended for operator of Samsung WEC8500 Document Content and Organization This manual consists of 5 Chapters 1 Annex and a list of Abbreviations CHAPTER 1 System M
23. 3 time 1 454 ms 100 100 100 1 ping statistics 11 packets transmitted 11 packets received 0 packet loss round trip min avg max stddev 0 730 0 967 1 454 0 229 ms If ping fails and there is an error with the network setting information reset it AP config interface address 100 100 100 10 255 255 255 0 100 100 100 1 gt Network setting IP 100 100 100 10 24 G W 100 100 100 1 2 Check if the AP s IP address is incorrectly set in the APC If the AP s IP is set in the APC the AP receives the IP information set in the APC during the provisioning stage and operates using the IP address In that case if AP s IP address is incorrectly set in the APC the network information is incorrectly set in AP Therefore if IP mode of the AP in the AP profile information is static check that the IP address Gateway and Netmask values are correctly set according to the network settings Checking AP IP settings from APC If the AP profile information is ap_1 check in the following way WEC8500 show ap ap detail ap 17 gt ap _1 means ap profile name AP Config AP name AP_ID 1 AP profile name ap I Group ID e 2 MacAddr 00 00 00 00 00 00 Location Admin Status UP Operational Status Down SAMSUNG Electronics Co Ltd page 62 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP ApMode General Region
24. C is booting Symptoms The system kernel loading fail status 2 log is displayed during booting and the system restarts 3 times Then the system goes to the shell environment of the boot loader Omitted boot partition Loading file 0 bytes read system kernel BOOTING START Looking for valid bootloader image Enter password to stop autoboot Error Bad gzipped data argv 2 coremask 0xff argv 3 endbootargs No elf image at address 0x20700000 Omitted Retry the same process for thr times when the board is L boot vmlinux gz from scsi device 0 1 sdal loading fail status 2 reset boot partition Loading file 0 bytes read argv 3 endbo system kernel bootoctlinux HEE HEH EH EH HH EH HEE HH HEH HF Bootloader fai fault Check your sys HEE EH EH EH HH HEE L id dd Octeon wec8500 Enter password to stop autoboot Error Bad gzipped data argv 2 coremask 0xff No elf image at address 0x20700000 SL boot vmlinux gz from scsi device 0 1 sdal otargs loading fail status 2 fail to boot up linux kernel rcode 1 L SUSISISISUISISUSSSSSSSSSSISSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSI led to load kernel and reset the system to recover from tem non volatile storage device and package images HEHEHE EERE EE EE EEE EE EE EE REE PEE PE RE PERE RE RE BE RE BE RE SAMSUNG Electronics C
25. Management with AP Possible Causes e Upgrade image of the AP is not correctly registered e Operation status of the File Transfer Protocol FTP server is not normal e Cause of the AP restart was upgrade fail e The AP includes an item requiring manual upgrade Solutions 1 Check the upgrade settings of the AP WEC8500 show ap upgrade summary ap upgrade config summary Type Default Mode FTP Path package ap IpAddress TOOTO 11 PortNum 2 AL MAXretries S MAXdownload 3 currentDownload 0 waitApCount 30 Target All PKG Name Version FileName Type weafama Default weafama Quick Upgrade weafama Predownload If there is no firmware version of the AP a new firmware image to be used in upgrade must be registered The example below illustrates registration of an upgrade firmware of the wea302 AP EC8500 configure terminal EC8500 configure ap all EC8500 configure ap all upgrade EC8500 configure ap all upgrade select package default W W W W weafama_1 2 6 R bin WEC8500 show ap upgrade summary SAMSUNG Electronics Co Ltd page 69 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP ap upgrade config summary Type Default Mode FTP Path package ap IpAddress 10 10 10 11 PortNum 2al MAXretries 3 MAXdownload 3 currentDownload 0 waitApCount 0 Target All PKG Name Versi
26. Mode Module Filter Level Filter Log File Size Log File Count odule STD Out odule Filter STD Out odule Level Filter STD Out Log Log Log all warning 10 MBytes 1 Off all debug SAMSUNG Electronics Co Ltd page 21 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 3 Check the syslog settings Execute the show syslog conf command to check that Syslog Mode is sent to Enable and check the Syslog filter information Syslog Level filter If the filter information is not setup execute the syslog level command to configure the following settings WEC8500 show syslog conf Syslog Mode Enable Syslog Level Filter notice Host 1 IP Address 192 168 0 36 UDP Port dA Host 2 IP Address 192 168 0 99 UDP Port z DLO 4 Check that the IP address and port of the syslog server are correct If the information is not correctly entered execute the syslog add command to setup the syslog server information EC8500 configure syslog add 192 168 0 99 udpport 510 SAMSUNG Electronics Co Ltd page 22 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 3 Upgrade Failures If the APC system fails upgrading solve the problem in the following way 1 3 1 Symptoms Upgrade was canceled due to its failure When attempting to upgrade the APC system the following error message is generated
27. P information must be manually registered in the APC WEC8500 configure show apc capwap summary Capwap Summary capwap control source port number 5246 capwap data source port number 5247 capwap control DTLS mode Support capwap WindowSize 10 capwap ChangeStatePendingTimer 2 25 capwap DataCheckTimer S 20 capwap DtlsSessionDelete e capwap RetransmitInterval 1 5 capwap WaitDTLSTimer 60 capwap WaitJoinTimer 60 capwap DiscoveryDeleteTimer 10 capwap MaxRetransmit 25 SAMSUNG Electronics Co Ltd page 66 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP capwap MutalAuth Enable capwap DiscoveryByMulticast Enable capwap DiscoveryByBroadcast Enable capwap FallbackEnable Disable capwap ECNSupport Limited capwap AutoDiscovery Enable capwap AutoDiscoveryApGroup capwap ApAdminUser 0 capwap ApAdminPass 0 capwap ApGuestUserl 0 capwap ApGuestPassl 0 MulticastIfIndexList g ak vlan1 100 If the APC s AutoDiscovery function is disabled enable it in the following way WEC8500 configure terminal WEC8500 configure apc capwap auto discovery gt Enable the AutoDiscovery function To disable the APC s AutoDiscovery function and register the AP manually use the following way WEC8500 configure terminal WEC8500 configure ap ap 1 WEC8500 configure ap 1 profile mac 00 00 aa 16 16 16 gt Register AP b
28. S nos NAME LEVEL DESCRIP TION 5 1 samsung s L If the login account does not exist execute the mgmt users command to add the login account WEC8500 configure terminal WEC8500 configure mgmt user user password pwd 1 SAMSUNG Electronics Co Ltd page 45 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management CHAPTER 2 WLAN Management This chapter describes the possible problems and their solutions concerning WLAN which is the most essential for WE wireless LAN services 2 1 WLAN Settings 2 1 1 BSSID of WLAN is not generated The AP does not provide wireless service to the wireless station attempting to connect Symptoms The WLAN is setup with a Service Set Identifier SSID but the wireless station is unable to find the SSID The Basic Service Set Identifier BSSID information can be checked by executing the following command WEC8500 show bss if Possible Causes The WLAN is not in Enable state e AP Group Interface Group Radio band or SSID is not entered when setting up the WLAN e The AP is in down status Solutions 1 Check that the WLAN is in Enable status Also check that the correct values are entered for Radio ID If Group and Ap Group WEC8500 show wlan summary WLAN ID Radio ID SSID Status Wlan NAME If Group Ap Group 1 2 4G 5G testl Enable
29. U over load log cpuload Log of important system Common dump cpuload old N information while the Method valid only when the file exists in the storage CPU load alarm remains location active due to system WEC overload Administration gt File Management gt APC Local PC gt Select a file in the storage location in the browse window and click the Download button CLI WEC8500 file upload ID PW IPADDR disk log cpuload cpuload NFM debug logs log se nfm logN SE memory information WEC SAMSUNG Electronics Co Ltd recorded when a simple executive SE crash occurs on the data processing layer or there Administration gt File Management gt APC Local PC gt Select the file storage location in the navigation panel press the file download button CLI page 88 of 92 2600 00FK28GAB Ver 3 0 ANNEX A Problem Analysis Log List is a problem with data processing WEC85008 file upload ID PW IPADDR disk log se nfm log1 nfm log1 Command Login Out logs SAMSUNG Electronics Co Ltd log uilog log web message logN wec loginout log Records the commands entered by the operator on the CLI Contains CLI web login logout information CLI WEC8500 show command log WEC Web login information Administration gt Logs gt Login Out CLI CLI login information WEC8500 show event group system page 89 of 92 2600 00FK28GAB Ver 3 0 ABBREVIATION ABBREVIATION
30. ample of United States US Peru PE and Chile CL use the same range as that of United States WEC8500 show tx power range US Country United States US eer 2 4Ghz Weeer 5Ghg Iesse cc no model WEA302i WEA303i WEA303e no model WEA302i WEA303i WEA303e 36 48 other 36 48 other 36 48 other 36 48 other 6 20 3 20 6 20 6 20 6 17 6 20 3 17 3 20 6 17 6 23 6 17 6 23 SAMSUNG Electronics Co Ltd page 80 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 5 Wi Fi Management 5 3 RRM does not Work Symptoms The RRM Radio Resource Management functions such as DPC Dynamic Power Control DCS Dynamic Channel Selection and CHDC Coverage Hole Detection amp Correction do not work Possible Causes e The AP is not connected or CAPWAP state of the AP is not RUN 5 The functions are not enabled Solutions 1 Check the AP state first by referring to Section Problem with Radio Settings 2 Execute the show rrm config summary command to check the function settings DPC Enable DCS Enable and CHDC Enable must be Enabled WEC8500 show rrm config summary RRM Status Enabled Rf Group Name 80211la n 80211b g n Dynamic Power Control sss s
31. anagement This chapter describes the symptoms of the APC system and their solutions CHAPTER 2 WLAN Management This chapter describes the possible problems and their solutions for Wireless Local Area Network WLAN services CHAPTER 3 Connection Management with AP This chapter describes the possible problems and their solutions when connecting to the Access Point AP CHAPTER 4 Security Management This chapter describes the possible problems and their solutions while using various security features SAMSUNG Electronics Co Ltd page 3 of 92 2600 00FK28GAB Ver 3 0 INTRODUCTION CHAPTER 5 Wi Fi Management This chapter describes the problems which could occur concerning settings for the wireless interface using Wi Fi ANNEX A Problem Analysis Log List This describes a summary of meanings locations and methods of extraction for the logs helpful for problem analysis of the system ABBREVIATION Describes the acronyms used in this manual Conventions The following types of paragraphs contain special information that must be carefully read and thoroughly understood Such information may or may not be enclosed in a rectangular box separating it from the main text but is always preceded by an icon and or a bold title NOTE D CS Indicates additional information as a reference NOTE Console Screen Output The lined box with Courier New font will be used to distinguish between the
32. and upgrade fails Do you want Package Validation check Package Upgrade WEC8500 configure terminal WEC8500 configure Notice The system to save the configuration y n y Do you want to upgrade the system y n y Success EEN failed checksum error package upgrade wec8500_1 0 0 R bin will reboot after upgrading with the file Possible Causes and Solutions When upgrade fails causes of the failure can be checked using the error messages Possible causes and the troubleshooting methods are described below Possible Cause Error Message Solutions File does not exist Error no exist wec8500_1 3 11 R bin file Checksum error on the file Error Package validation check Download the package to upgrade again Upgrade terminated due to an internal error Error Internal error Execute the show tech support and obtain the results Contact the Samsung Technical Support Team for support Upgrade terminated due to timeout SAMSUNG Electronics Co Ltd saving the configuration failed time out Execute the show tech support and obtain the results Contact the Samsung Technical Support Team for support page 23 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 3 2 Upgrade completed successfully but the system was not booted successfully due to an error in the upgraded package Symptoms Once upgrade completed succ
33. ap ea ah eater ae eee a 0 DING COUR fox ka sate usmaieng aqsu sa g at ais E Suaresguelgearan sa uewe 0 NTP CO a Sareea dine hte wu D mu ee k ws eg ee 0 NTP Tnterval gus Za EEN EEN E EE default 600 NEE EE Asia Seoul Network test target sedaanid dansa ce ee ee asa ee ee eee gw Network test interval vsa ue eee eee cane e 20 Network test idle interval L Network test duplication interval 180 Network test Beet sass ag ad Gade eine ees ae Qed e Success SAMSUNG Electronics Co Ltd page 61 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP AP ping 100 100 100 1 gt 100 100 100 1 is APC Mgnt interface IP address PING 100 100 100 1 100 100 100 1 56 data bytes 64 bytes from 100 100 100 1 icmp_seq 0 ttl 63 time 1 302 ms 64 bytes from 100 100 100 1 icmp_seq 1 ttl 63 time 1 170 ms 64 bytes from 100 100 100 1 icmp_seq 2 ttl 63 time 0 853 ms 64 bytes from 100 100 100 1 icmp seq 3 ttl 63 time 0 730 ms 64 bytes from 100 100 100 1 icmp_seq 4 ttl 63 time 0 754 ms 64 bytes from 100 100 100 1 icmp_seq 5 ttl 63 time 0 973 ms 64 bytes from 100 100 100 1 icmp_seq 6 ttl 63 time 0 942 ms 64 bytes from 100 100 100 1 icmp_seq 7 ttl 63 time 0 853 ms 64 bytes from 100 100 100 1 icmp seq 8 ttl 63 time 0 760 ms 64 bytes from 100 100 100 1 icmp_seq 9 ttl 63 time 0 849 ms 64 bytes from 100 100 100 1 icmp_seq 10 ttl 6
34. ation in this manual is subject to change without notice D page 92 of 92
35. ckage upgrade command with the official package of a desired version to upgrade When upgrading is completed the system restarts to apply the package An example of executing the upgrade command is as follows WEC8500 configure terminal WEC8500 configure package upgrade disk package wec8500 0 8 1 R bin Notice The system will reboot after upgrading with the file Do you want to save the configuration y n y SAMSUNG Electronics Co Ltd page 15 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management Do you want to upgrade the system y n y Package Validation check Success Package Upgrade Ag ieren Eos ees done Success 5 When booting is completed normally check that the new package has been applied to the system WEC8500 show reboot cause Reboot Cause Block Upgrade Code Package Upgrade WEC8500 show version Samsung package version information Primary currently running ver 2 078 0 R buildTime Mon Aug 20 11 35 43 2012 builder apcbuilder buildDir home2 apcbuild wec8500 apc Backup ver 2 Os hel R buildTime Mon Aug 03 09 27 19 2012 builder apcbuilder buildDir home2 apcbuild wec8500 apc Boot rom version information ver ELLO 17 15 14 SAMSUNG Electronics Co Ltd page 16 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 2 System Messages Alarms Events This section describes symptoms causes and solutions o
36. ed 2012 08 28 12 54 46 system MAJ Disk Usage Alarm APC Disk Declare Usage 91 Possible Causes The disk usage ratio exceeded the set threshold Solutions On the APC system execute the remove command to delete the files which are not in use If the alarm is not cleared even after deleting the files contact the Samsung Technical Support Team for the countermeasure WEC8500 file WEC8500 file 1s Current working directory disk directory 4 0K Aug 4 08 38 02 opt directory 4 0K Aug 26 22 27 57 package directory 4 0K Aug 28 13 20 04 etc WEC8500 file cd package WEC8500 file ls Current working directory disk package directory 4 0K Aug 20 19 16 36 ap file 98 1M Aug 3 08 18 33 wec8500 1 0 0 R bin file 94 8M Aug 11 14 38 13 wec8500 1 0 1 R bin file 97 9M Aug 2 19 20 37 wec8500_1 0 2 R bin WEC8500 file remove wec8500 1 0 0 R bin disk package wec8500_0 5 0 R bin Do you really want to remove it y n SAMSUNG Electronics Co Ltd page 33 of 92 2600 0O0FK28GAB Ver 3 0 CHAPTER 1 System Management 1 5 6 Disk Full Alarm Disk Usage Alarm is generated when the usage space of the disk exceeds the threshold When the alarm is generated the file downloading function does not work for system protection Disk usage ratio threshold is 99 Symptoms The following alarms are generated 2012 08 28 09 54 51 CRT APC Disk Full Declare Disk usage has reached to d
37. ed ned 0 1 ned ned ned ned ned ned ned ned DT WEC8500 configure show ip interface brief gt Check the APC AP Mgnt interface Status Status up up up up up up up up up up up up up up up Protocol up up down up down down down down down down down down up up up If the AP Ment interface IP information is incorrect configure it in the following way WEC8500 configure terminal WEC8500 configure apc ap mgmt if 100 100 100 1 gt AP Mgnt interface IP for AP access SAMSUNG Electronics Co Ltd page 65 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP 3 1 3 AP registration error Symptoms The AP information is not registered WEC8500 show ap summary AP Mgnt interface IP 10 10 10 11 vlan1 110 AP_ID Profile AP_NAME MAC Address IPv4Addr State Location Possible Causes The AutoDiscovery function is off and the AP information is not registered Checking and Solving the Problem 1 Check if the AP information MAC information is used as the identifier of each AP is registered in the APC 2 Check if the AutoDiscovery function is enabled Checking the AutoDiscovery Function Ifthe AutoDiscovery function is enabled for the APC when an AP sends a discovery request to the APC it is automatically registered The registered information is not deleted e H the AutoDiscovery function is disabled the A
38. el or channel it should be set according to the Tx power setting range below for each country Execute the show tx power range KR example command to check the country AP model and the tx power setting range for each channel The following shows an example for Republic of Korea KR WEC8500 show tx power range KR Country Republic of Korea KR beer 2 4Ghz EE 5Ghz no model WEA302i WEA303i WEA303e no model WEA302i WEA303i WEA303e 36 48 other 36 48 other 36 48 other 36 48 other 6 20 3 20 6 23 6 23 6 17 6 20 3 17 3 20 6 17 6 23 6 17 6 23 The following shows an example for United Kingdom GB Italy IT Australia AU Russia RU South Africa ZA UAE AB India IN and Turkey TR also use the same range as United Kingdom WEC8500 show tx power range GB Country United Kingdom GB ease 2 4Ghz Tee erer ae ee SGha Tester no model WEA302i WEA303i WEA303e no model WEA302i WEA303i WEA303e 36 48 other 36 48 other 36 48 other 36 48 other 4 6 20 3 20 6 20 6 20 6 20 6 20 3 20 3 20 6 20 6 23 6 20 6 23 The following shows an ex
39. equiring manual upgrade execute no upgrade request in AP mode You can check that the items requiring manual upgrade are deleted WEC8500 configure ap ap_1 no upgrade request WARNING AP will be upgrade Are you sure you want to continue y n y WEC8500 configure ap ap_1 show ap upgrade list RC FR RC RetryCount FailReason RebootCause Pri VersionPriority MD model A AP config AP_ID Model Version config current Status RC FR RC Pri force 1 WEA303i Global 1 2 6 R Success 0 0 16 MD No SAMSUNG Electronics Co Ltd page 71 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP 3 3 Problem Creating APs To create an AP to the APC the AP is configured using CLI WEC Symptoms When attempting to create AP executing ap ap config name the AP is not added WEC8500 configure terminal WEC8500 configure ap ap_test123 configApConfig createApFromCfgName failed sApCfgName ap test123 apId 1 ret 20 Possible Causes The APs has been already configured as many as the number of TotalApNo TotalApNo is the same as MaxApNo additional APs cannot be configured TotalApNo is the total number of APs that are configured additionally and MaxApNo is the maximum number of APs that can be set up additionally The procedure to add APs using web UI is described below 1 On the top menu click Configuration 2 On the left menu click Access Po
40. essfully the following logs are displayed during the system booting and then the system restarts When going to the TSM after system restarts the TS mode cause Mount check log is displayed in the login prompt of the TSM TS mode screen after system restarts NOTICE Now The normal service is unavaliable due to some problems during booting process So You need to contact Technical Support to troubleshoot and fix this issues TS mode cause Software Unrecoverabl 70 TS mode login Possible Causes and Solutions If there is a problem with the process in the upgraded package system can go to the Technical Support Mode TSM after the system is rebooted The cases to go to the TSM are described as follows 1 An error is found in the main process during the system booting 2 The process where the problem has occurred restarts 3 Ifan error occurs again in the process the system reboots 4 Ifthe steps 1 to 3 repeat again during the system reboot you will go to the TSM In TSM the APC application does not launching configuration you must restore the package to the status before the upgrade 1 Connect the console cable to the console port of the system and access to the equipment though the console 2 Input the password below to enter the uboot mode password samsung 3 Execute the eepromtlv display command and check the boot partition wec8500 tlv_eeprom display
41. f problems occurring to the system messages alarms events logs etc 1 2 1 Alarm or event is not generated Symptoms Alarm output command does not reveal any information on alarms or events WEC8500 show alarm history all Error can not read the file WEC8500 show event Error can not read the file or WEC8500 show alarm history all EC8500 show event Possible Causes e The alarm format has changed due to the package upgrade The alarm format is unknown Solutions 1 Before changing the alarm format delete all previously generated alarm logs Deleting alarms of the format prior to change WEC8500 clear log alarm Deleting current alarms of the format prior to change z EC8500 clear log actalarm 2 Apply the new alarm format z EC8500 clear log alarminfo SAMSUNG Electronics Co Ltd page 17 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 3 Check the alarm and event logs again WEC8500 show alarm history all EC8500 show event 1 2 2 System log message is not displayed Log messages may not be generated due to log message format errors or incorrect filter settings Symptoms Log output command does not generate any log messages WEC8500 show debug log all Error can not read the file Or only some messages are generated as shown bel
42. failure due to physically damaged disk This occurs if kernel loading fails due to physical damage of the Solid State Disk SSD while the APC is booting Symptoms The system kernel loading fail status 0 log is displayed during booting and the system restarts 3 times Then the system goes to the shell environment of the boot loader BOOTING START t Looking for valid bootloader image Omitted SATA link down SStatus 0 SControl 320 scanning bus for devices No Link on port 0 scsi_ahci SCSI inquiry command failure system kernel loading fail status 0 Omitted Retry the same process for thr times when the board is reset SATA link down SStatus 0 SControl 320 scanning bus for devices No Link on port 0 scsi_ahci SCSI inquiry command failure system kernel loading fail status 0 USB USB EHCI 1 00 scanning bus for devices 1 USB Device s found Type the command usb start to scan for USB storage devices boot partition 1 HHPEEEEREE EE EE EH EERE EEE HE EE EH GHEE EEE HE EE EE HERE HEH HE EE HH HH EEE HEE HE EE HHH E HE Bootloader failed to load kernel and reset the system to recover from fault Check your system non volatile storage device and package images HHPEPEEREEEE EE EERE REE EEE EE EE EH GHEE EEE HE EE EE EEE HE HE EE EH HH EE EEE HE EE tt Octeon wec8500 Possible Causes Physical input output I O of the disk is not possible d
43. figure terminal WEC8500 configure firewall accelerator SAMSUNG Electronics Co Ltd page 75 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 4 Security Management 4 2 Cannot Detect Unauthorized APs When an unauthorized AP is connected to the wireless network it cannot be detected as a rogue AP Symptoms Information of the specific unauthorized AP is missing in the rouge AP list displayed by the following command WEC8500 show wids rogue ap list malicious EC8500 show wids rogue ap list friendly WEC8500 show wids rogue ap list unclassified Possible Causes The function for detecting unauthorized APs is not enabled The wireless channel used by the unauthorized AP is not included in the setting Solutions 1 Check if the function for detecting unauthorized APs is enabled EC8500 show wids current config 2 Check the operational state of RFSGW If rouge AP detection does not work when WIDS is enabled check the RFSGW state 3 Check the operational state of the AP monitor module If WIDS and RFSGW are normal but rogue APs cannot be detected check message generation at the AP SAMSUNG Electronics Co Ltd page 76 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 5 Wi Fi Management CHAPTER 5 Wi Fi Management This chapter describes the problems which could occur concerning various settings for the wireless interface using Wi Fi 5 1 Problem with Rad
44. g alarms are generated 2012 08 28 12 54 46 system CRT Fan Fail alarm APC Declare rpm 0 0 0 0 Possible Causes The fan is faulty Solutions Contact the Samsung Technical Support Team for the countermeasure SAMSUNG Electronics Co Ltd page 31 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 5 4 Thermal Shutdown Alarm If the system detects that the system temperature is higher than the operational temperature due to faulty fan or temperature sensor the system powers off for system protection Symptoms The system powers off after generating the following alarm 2012 08 28 12 54 46 system CRT System Thermal Runaway APC Fan Controller Declare TEMP 98 99 99 Possible Causes e The system temperature is higher than the thermal shutdown temperature Both the temperature sensor and the fan are faulty at the same time The temperature sensor has been faulty for 24 hours or longer Solutions Contact the Samsung Technical Support Team for the countermeasure To recover the system switch the power button from the OFF state to the ON state SAMSUNG Electronics Co Ltd page 32 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 5 5 Disk Usage Alarm Disk Usage Alarm is generated when the usage space of the disk exceeds the threshold The default threshold of the disk usage ratio is 90 Symptoms The following alarms are generat
45. grading the package Solutions 1 Delete the existing alarm information in order to build the alarm table in a new format WEC8500 clear log alarminfo 2 When an alarm is generated check the alarm information again WEC8500 show alarm info SAMSUNG Electronics Co Ltd page 20 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 2 4 Syslog messages are not sent to the syslog server Symptoms The alarm and log messages generating in the APC system are not sent to the syslog server Possible Causes e The syslog server is not configured e Internet Protocol IP address and port of the syslog server are not configured e Alarm and log messages are not sent due to the filter settings Solutions 1 Check the alarm message settings Check the alarm filter information Alarm Group Filter and Alarm Level filter and if the filter information is not setup use the alarm group system and alarm level major commands to configure the following settings WEC8500 show alarm conf Group Filter Level Filter Log File Size Log File Count Log STD Out 10 MBytes 1 2 Check the system log message settings Check that Debug Log Mode is On and check the filter information Debug Log Module level filter If the filter information is not configured configure the following settings WEC8500 show debug log conf
46. hrough the network administrator SAMSUNG Electronics Co Ltd page 49 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 5 Check the RADIUS authentication server Check if the RADIUS server is available for service and that the user information of the wireless station is correctly registered to the RADIUS authentication server For details on checking the RADIUS authentication server check the user manual of the corresponding product SAMSUNG Electronics Co Ltd page 50 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 2 2 2 PSK authentication failure Symptoms When a wireless station attempts to connect to a Wi Fi network configured for PSK authentication re association is performed normally but there is an error with PSK authentication In this case re association information of the wireless station can be checked in the following way The information can be checked executing a CLI command in the following way EC8500 show station summary The information can be checked using the Web UI in the following way 1 On the top menu click Monitor 2 On the left menu click Stations Samsjn Wireless Enterprise Monitor Configuration Administration Help Summary Active Alarm Show Filter List Export Access Points gt ul e USERNAME IP ADDRESS AP NAME Ap MAP LOC AUTH CYPHER PROTOCOL CHANNEL 78 de fo 25 84 9b pics SE Zeng e E EE Rogues Interfe
47. information can be checked executing a CLI command in the following way WEC8500 show cluster list apc INDEX APC NAME IPv4 ADDRESS DB REF INT CONNECT STATUS APC 1 192 168 87 146 120 CONNECTED 1 2 APC 2 192 168 87 217 120 CONNECTED 1 The information can be checked using the Web UI in the following way On the top menu click Configuration On the left menu click Mobility Management Click the Clustering tab Check the CONNECT STATUS information eeee SAMSUNG Electronics Co Ltd page 55 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management Samsung i wireless Enterprise Monitor Configuration Administration Help er samsung guration Ping Refresh Controller Access Points AP Groups Security WLANs gt Radio User QoS Mobility Management A Handover ll Continuity DNS NTP DHCP Mobility Management Clustering Information KEEP ALIVE INTERVAL SEC 10 KEEP ALIVE RETRY COUNT 3 CLUSTER 1 Enable Disable Clustering Members m INDEX APCNAME EI 1 PC 01 Foot Notes Figure 6 Web Ul Clustering function does not work DB REFRESH INTERVAL ara Total Entry 2 CONNECT STATUS cted SAMSUNG Electronics Co Ltd page 56 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 2 3 2 Spectrum analysis is not provided This can occur if spectrum analysis i
48. ints 3 Click Add 4 Click the Security tab 5 Set AP Profile Name and MAC Address 6 Click Apply to create an AP Solutions 1 Execute the show apc summary command to check TotalApNo which is set in the APC WEC8500 show apc summary APC Summary ApcName APC _007e37001f 0 AP Mgmt interface IP 100 100 100 1 vlanl 100 MaxApNo 3000 ActiveApNo 22 TotalApNo 3000 802 1la n Radios 22 2978 802 11b g n Radios 22 2978 ActiveStationNo 0 SecurityAuthType s X 509 RMacField Support DtlsPolicy Both SAMSUNG Electronics Co Ltd page 72 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP 2 Execute the show ap summary config command to check the AP list which is set in the APC and delete the unused APs WEC8500 show ap summary config AP Mgnt interface IP 100 100 100 1 vlanl 100 AP_ID Profile AP_NAME MAC Address IPv4Addr State Location 1 ap L AP_201122337f20 20 11 22 33 7f 20 0 0 0 0 WEC8500 configure terminal WEC8500 configure ap ap_1 SAMSUNG Electronics Co Ltd page 73 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 4 Security Management CHAPTER 4 Security Management The APC provides security features such as RADIUS server interfacing system user management guest service scanning and blocking unauthorized APs firewall and access control list ACL which are necessary in the wired and
49. io Settings Symptoms Radio settings for 802 11a 80211 bg 802 11n etc cannot be configured on the AP Possible Causes The AP is not connected CAPWAP state of the AP is not RUN 5 Solutions 1 Execute the show ap summary command to check that the AP is connected If the AP is shown setup the AP by referring to AP Settings WEC8500 show ap summary AP Mgnt interface IP 10 64 55 1 vlanl 192 AP_ID CFG NAME AP NAME MAC Address Ipv4Addr State Location 1 ap 1 AP_f 4d9fb23d049 4 d9 fb 23 d0 49 10 64 55 103 1 1 5 2 ap 2 AP f 4d9fb23cfc9 4 d9 fb 23 cf c9 10 64 55 57 1 1 5 3 ap_3 AP f 4d9fb23cbf 9 4 d9 fb 23 cb f9 10 64 55 102 1 1 5 SAMSUNG Electronics Co Ltd page 77 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 5 Wi Fi Management 2 Execute the show ap summary command to check the CAPWAP state of the AP If the CAPWAP state of the AP is not RUN 5 solve the problem by referring to CAPWAP Settings WEC8500 show ap summary AP Mgnt interface IP 10 64 55 1 vlanl 192 Ap ID CFG NAME AP_NAME MAC Address IPv4Addr State Location 1 ap_1 AP_f 4d9fb23d049 f4 d9 fb 23 d0 49 10 64 55 103 1 1 5 2 ap_2 AP_f 4d9fb23cfc9 f4 d9 fb 23 cfic9 10 64 55 57 1 1 5 ap_3 AP_f4d9fb23cbf9 4 d9 fb 23 cb f9 10 64 55 102 1 1 5 SAMSUNG Electronics Co Ltd page 78 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 5 Wi Fi Management 5 2 Problem w
50. is performed normally but there is an error with 802 1x authentication In this case re association information of the wireless station can be checked in the following way The information can be checked executing a CLI command in the following way WEC8500 show station summary The information can be checked using the Web UI in the following way 1 On the top menu click Monitor 2 On the left menu click Stations Samsung Wireless Enterprise Monitor Configuration Administration Help EA ES USER NAME IP ADDRESS AP NAME AP MAP LOC AUTH CYPHER PROTOCOL CHANNEL Rogues Interference Devices Figure 3 Web Ul 802 1x authentication failure Possible Causes e Wi Fi network authentication settings of the wireless station are incorrect WLAN security settings of the APC are incorrect There is a problem with network connection of the Remote Authentication Dial In User Service RADIUS authentication server system e The RADIUS authentication server is not running Settings of the RADIUS authentication server are incorrect SAMSUNG Electronics Co Ltd page 48 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management Solutions 1 Check Wi Fi network authentication settings of the wireless station Check that 802 1x ID and password settings match those of the APC and the RADIUS authentication server For details on checking the authentication settings of the wireless station
51. isk full limitation Remove unnecessary files to recover the writ protection Possible Causes The disk usage ratio exceeded the set threshold Solutions On the APC system execute the remove command to delete the files which are not in use If the alarm is not cleared even after deleting the files contact the Samsung Technical Support Team for the countermeasure WEC8500 file WEC8500 file 1s Current working directory disk directory 4 0K Aug 4 08 38 02 opt directory 4 0K Aug 26 22 27 57 package directory 4 0K Aug 28 13 20 04 etc WEC8500 file cd package WEC8500 file 1s Current working directory disk package directory 4 0K Aug 20 19 16 36 ap file 98 1M Aug 3 08 18 33 wec8500 1 0 0 R bin file 94 8M Aug 11 14 38 13 wec8500 1 0 1 R bin file 97 9M Aug 2 19 20 37 wec8500 1 0 2 R bin WEC8500 file remove wec8500 1 0 0 R bin disk package wec8500 0 5 0 R bin Do you really want to remove it y n SAMSUNG Electronics Co Ltd page 34 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 6 SNMP 1 6 1 No SNMP response There is no SNMP response from the APC if the Simple Network Management Protocol SNMP community settings are incorrect or the network is not connected Symptoms When an SNMP get or set request is sent from the Management Information Base MIB browser a timeout occurs Possible Causes SNMP community is not setup The SNMP communi
52. ith Tx Power Settings Symptoms Power setting cannot be configured on the AP Pos sible Causes The AP is not connected CAPWAP state of the AP is not RUN 5 Tx power setting range is different for each country AP model or channel Solutions 1 Execute the show ap summary command to check that the AP is connected WEC8500 show ap summary AP Mgnt interface IP 10 64 55 1 vlanl 192 AP ID CFG NAME AP NAME MAC Address IPv4Addr State Location 1 ap_1 AP f4d9fb23d049 f4 d9 fb 23 d0 49 10 64 55 103 1 1 5 2 ap_2 AP f 4d9fb23cfc9 4 d9 fb 23 cf c9 10 64 55 57 1 1 5 3 ap 3 AP f 4d9fb23cbf9 4 d9 fb 23 cb f9 10 64 55 102 1 1 5 If the AP is shown setup the AP by referring to AP Settings 2 Execute the show ap summary command to check the CAPWAP state of the AP WEC8500 show ap summary AP Mgnt interface IP 10 64 55 1 vlanl 192 Ap ID CFG NAME AP_NAME MAC_Address IPv4Addr State Location 1 ap_1 AP f4d9fb23d049 f4 d9 fb 23 d0 49 10 64 55 103 1 1 5 2 ap_2 AP f 4d9fb23cfc9 4 d9 fb 23 cf c9 10 64 55 57 1 1 5 3 ap_3 Ap f 4d9fb23cbf9 4 d9 fb 23 cb f9 10 64 55 102 1 1 5 If the CAPWAP state of the AP is not RUN 5 solve the problem by referring to CAPWAP Settings SAMSUNG Electronics Co Ltd page 79 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 5 Wi Fi Management 3 Since the APC setting range may be different depending on each country AP mod
53. llowing way WEC8500 show wlan security summary WEC8500 show wlan security detail lt wlan id gt The information can be checked using the Web Ul in the following way On the top menu click Configuration On the left menu click WLANS On the WLAN list click the WLAN ID Click the Security tab Click L2 and Check the settings e ee eee SAMSUNG Electronics Co Ltd page 54 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 2 3 Additional WLAN Services 2 3 1 Clustering function does not work Symptoms Wireless station information of the Remote Access Point Controller APC cannot be founded Possible Causes Inter APC communication is not possible The APC is not registered in the APC list in the clustering group e The APC settings do not match in the clustering group Solutions 1 Execute the ping command to check the network connection If the command fails contact your network administrator EC8500 ping 192 168 87 217 2 If the network connection status is normal check if the APC is registered in the cluster group If so check if INDEX and IPv4 ADDRESS match Also check that ConnectStatus is CONNECTED 1 If the CONNECT STATUS is displayed as NOT_CONNECTED 0 even though the both information match check if the clustering function is set to Enable and the status of the interface with the IP address assigned is up The
54. log filter WEC8500 debug log level lt critical major minor warning gt WEC8500 debug log module lt evm swm cm list NAME 3 Check the log messages again EC8500 show debug log all SAMSUNG Electronics Co Ltd page 19 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 2 3 Incorrect alarms are generated After upgrading the package the alarm table may be changed as shown below In this case when an alarm is generated another alarm message may be displayed Previous alarm table WEC8500 show alarm info 1 system CRT Loss Of Signal CRT NET Duplicated IP CRT NET Rx Multicaet Queue Full MAJ NET Heartbeat Loss Trap MIN NET VLAN Request Failure MAJ NET VLAN Default CFG Failure MAJ NET VLAN Restore Failure Trap CRT NET Link failure 82 networ 83 networ 84 networ 85 networ 86 networ 87 networ eh eh A A A A A 88 networ Alarm table which is changed after upgrading the package WEC8500 show alarm list all 1 network 2012 08 31 11 09 24 MAJ APC Index 1 Name ge1 1301 NET Link dn AdminStatus up OperStatus down Symptoms An alarm is generated but message for another alarm is generated instead of the correct alarm Possible Causes e Content of the alarm table has changed after upgrading the package e Items have been added to or deleted from the alarm table after up
55. lysis of the system SAMSUNG Electronics Co Ltd page 84 of 92 2600 00FK28GAB Ver 3 0 ANNEX A Problem Analysis Log List A 1 crash log Item Storage Location File Type Description Extraction Method reboot log crash Stores all reboot history WEC WEC history including system reboots cdr_dump txt Administration gt Tech Support gt APC Reboot History gt from critical crash as well CLI Download as normal reboots in the cdr NNN XXX hh_mm_ss_MM CLI operational process DD YYYY txt WEC8500 show debug reboot export WEC8500 file upload ID PW IPADDR disk log crash cdr txt cdr txt WEC85003 file remove disk log crash cdr txt core dump log crash When an application WEC WEC process is terminated for an core_apc_tarball tar Administration gt Tech Support gt APC Coredump gt abnormal cause a dump CLI Download file containing the memory core XXX NN TIME PID tar gz context information and the CLI tty log information is WEC8500 show debug coredump summary created WEC8500 file upload ID PW IPADDR disk log crash core tar gz core tar gz SE crash log se crash Create a core register dump WEC WEC core dump file when any SE crash se_crash_ lt time_stamp gt Administration gt Tech Support gt APC Local PC gt Select occurs the file storage location in the navigation panel press the file download button CLI WEC8500 file upload ID PW IPADDR disk log se crash se_crash_2013
56. m Management 2 Check the disk usage space of the system and if there is insufficient free space delete the unnecessary files and try again WEC8500 file d WEC8500 file remove bigFile disk bigFile Do you really want WEC8500 file df disk ext4 Device Filesystem Total size 11 6G Free space T Device disk Filesystem ext4 Total size 11 6G Free space 100 0K WEC8500 file ls Current working directory disk directory 4 0K Dec 26 16 47 06 etc file 1 0G Dec 12 17 48 18 bigFile directory 4 0K Dec 27 15 56 00 stats to DG y n remove it SAMSUNG Electronics Co Ltd page 42 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 8 1 8 1 Web UI Access error An error occurs when attempting to access the APC system using the web browser Symptoms When the IP address of the APC is entered in the address input field of the web browser the web user interface UD is not accessed but the following error message is generated Internet Explorer cannot display the webpage Windows Internet Explorer EIST 68 E 10 10 10 200 His File Edi view Favorites Tools Help kg Favorites A S gt Free Hotmail Internet Explorer cannot display the webpage dm Page Safety Toos lt Internet Explorer cannot display the webpage What you can try Diagnose Connection Problems More information Internet
57. main content and console output screen text Bold Courier New font will indicate the value entered by the operator on the console screen SAMSUNG Electronics Co Ltd page 4 of 92 2600 00FK28GAB Ver 3 0 INTRODUCTION Revision History 3 0 10 2013 The related contents of WEC8050 AP Added integrated WEC8500 and WEC8050 Revised with S W package upgrade WEC8500 version 1 4 4 WEC8050 version 1 0 0 2 0 06 2013 Added 1 3 2 Changed 2 1 1 5 3 Printout Message 1 3 1 2 3 1 3 3 5 2 Contents 1 0 03 2013 First Version SAMSUNG Electronics Co Ltd page 5 of 92 2600 00FK28GAB Ver 3 0 TABLE OF CONTENTS INTRODUCTION 3 Pumos nessen e a a i i a en te eae be 3 Lee 3 Document Content and Oroanzaton I u 3 CO PAWE NATIONS Sa s u u SSS SAAT uqa e a e e seier 4 Console Screen Output 4 Revision lieu EE 5 CHAPTER 1 System Management 9 1 1 System BOONG i sciecesenccccceccncesicneccec scence cans seacesecceseaces cacedcanuesetedtessecanesscneeccdecaseecvecetadtesssceseacesae 9 1 1 1 Booting failure due to system overheating u u 9 1 1 2 Booting failure due to physically damaged disk u 11 1 1 3 Booting failure due to file system error U U u 12 1 1 4 Booting failure due to damaged kernel image AEN 14 1 2 System Messages Alarms Events U U U uuu uu u uuu uu
58. o Ltd page 14 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management Possible Causes During the booting process kernel image loading is not possible for the following reasons e The kernel image exists on the primary partition but the file is damaged and corrupted from the original e The kernel image is overwritten with another file Solutions 1 Inthe boot loader log use the boot partition message to check the primary partition information 1 or 2 boot partition 1 Omitted Hae HEE TE E aE EH HE E EE HH EE HE EE Ea FE EE EE HEE HE EE EER EE HEE HEE HH EH EH HEE HH EE HH HEHEHE HEH EH HF Bootloader failed to load kernel and reset the system to recover from fault Q heck your system non volatile storage device and package images FE FEFE FE TE AE TE FE AE TE HE HE FE HEFE FE FE FE TE FE TE FE AE TE HE FE FE HE AE FE FE FE TE FE TE FE E TE HE AE FE AE AE E AE FE E E E E E EE EE EE EE E EEEH FEEF 2 Rollback to the previous package residing on the stand by partition To rollback if the primary partition is 1 set the boot partition to 2 Or if the primary partition is 2 set the boot partition to 1 Octeon wec8500 tlv_eeprom set boot 2 Setting boot partition to 2 Writing tuple type 61441 to addr 0x40 3 Restart the system Octeon wec8500 reset 4 When booting is completed execute the pa
59. ocess If the process is in an abnormal state contact your system administrator WEC8500 show processes status Processes Info Status D usually IO R Running S Sleep T Stop X Dead Z Zombi up Active down Inactive dis Disable SAMSUNG Electronics Co Ltd page 37 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management id name pid activationTime status restart 8 cm 1856 2012 09 05 11 03 35 up S 0 2 Execute the show processes status command to check the Status of evm db imi and snmp which are the processes related to saving of system settings If the process is in an abnormal state contact your system administrator WEC8500 show processes status Processes Info Status D usually IO R Running S Sleep T Stop X Dead Z Zombi up Active down Inactive dis Disable id name pid activationTime status restart 1 evm 1770 2012 09 05 11 03 08 up S 0 3 db 1817 2012 09 05 11 03 14 up S 0 18 imi 12268 2012 09 05 13 08 10 up S 0 29 snmpd 2466 2012 09 05 11 04 31 up S 0 3 Execute the df command to check the disk usage space of the system and if there is insufficient free space delete the unnecessary files and try again WEC8500 file df Device disk Filesystem ext4 Total size 11 6G Free space 100 0K WEC8500 file 1s Current working directory disk directory
60. on FileName Type weafama J 2 62 R weafama_1 2 6 R bin Default weafama Quick Upgrade weafama Predownload 2 Check if the FTP server is in normal state WEC8500 show ftp server FTP Server Stop Port 21 FTP User samsung Pw PARES If the FTP server is in Stop state enter the ftp server enable command to set it to Run state EC8500 configure terminal TP Server on EC8500 configure show ftp server FTP Server Run FTP User Port samsung Pw W WEC8500 configure ftp server enable F W 21 KKKKKKK 3 Check the AP rebooting cause and restart the AP 0x51 reboot due to package upgrade failure WEC8500 show ap detail ap 1 AP Config AP name AP 001632ff8e2b AP_ID Set AP profile name ap 1 Group ID z 2 MacAddr 00 16 32 ff 8e 2b RebootCause SAMSUNG Electronics Co Ltd page 70 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP WEC8500 configure terminal S EC8500 configure ap ap l WEC8500 configure ap ap_1 reboot 4 Check if the AP has items requiring manual upgrade and if so delete them WEC8500 configure ap ap_1 show ap upgrade list RC FR RC RetryCount FailReason RebootCause Pri VersionPriority MD model A AP config AP ID Model Version config current Status RC FR RC Pri force 1 WEA303i 1 2 5 R 1 2 5 R None 0 0 16 AP No To delete items r
61. ow WEC8500 show debug log all 1 evm 2012 08 18 12 48 33 548 WRN Clear Debug Detail Log file 2 evm 2012 08 18 12 47 29 884 WRN Clear Debug Log file 3 eqm 2012 08 31 17 42 05 546 MAJ CPU Load Alarm Cleared CPUID 4 LOAD 0 000000 Threshold 90 Possible Causes The Error cannot read the file error is generated because of format error of log messages e The log message format has changed after upgrading the package The log message format is unknown Only some log messages are generated because of filter settings of levels or module names of log messages Solutions If log messages are not generated due to format problems take the following steps 1 Delete all logs and allow a new log format to be applied EC8500 clear log debug SAMSUNG Electronics Co Ltd page 18 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 2 Check the log messages again WEC8500 show debug log all In case of incorrect filter settings take the following steps 1 Check the log filter settings WEC8500 show debug log conf Debug Log Mode Debug Log Module Filter Debug Log Level Filter Debug Log File Size Debug Log File Count odule STD Out odule Filter STD Out odule Level Filter STD Out On all warning 10 MBytes t OTE all debug 2 Execute the debug log level and debug log module commands to reset the
62. r 0x40 Bad partition 2 Error Bad gzipped data argv 2 coremask 0xff argv 3 endbootargs No elf image at address 0x20700000 1 loading fail status 1 ion 1 now we boot from partition 2 loading fail status 2 fail to boot up linux kernel rcode 1 HEHE EEE EEE EEE EEE HE EE PE RE RE RE REE PE EE RE RE BE EE EE RE led to load kernel and reset the system to recover from tem non volatile storage device and package images L SUSSISSSSSSSSSSSSSSSSSSSSSSSSSSSSSSASSSSSSSSSSSSSSSSSSSSS SAMSUNG Electronics Co Ltd page 12 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management Possible Causes During the booting process kernel image loading is not possible for the following reasons e Neither the primary active partition nor the stand by partition is detected due to damaged partition table e The partition table is normal but both the primary partition and the stand by partition are formatted e The file system is normal but the kernel is not found within the file system on the primary partition and the stand by partition Solutions Contact the Samsung Technical Support Team for the countermeasure SAMSUNG Electronics Co Ltd page 13 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 1 4 Booting failure due to damaged kernel image This occurs if the kernel image on the primary partition of the disk is damaged and cannot be loaded while the AP
63. ration gt File Management gt APC Local PC gt Select a file in the storage location in the browse window and click the Download CLI WEC8500 file upload ID PW IPADDR disk log swm log page 86 of 92 2600 00FK28GAB Ver 3 0 ANNEX A Problem Analysis Log List swm log process log SAMSUNG Electronics Co Ltd log processes log processes detail Log of signal reception and process termination history for software blocks of the system s application WEC Administration gt File Management gt APC Local PC gt Select a file in the storage location in the browse window and click the Download CLI WEC8500 file upload ID PW IPADDR disk log processes log processes log page 87 of 92 2600 00FK28GAB Ver 3 0 ANNEX A Problem Analysis Log List A 3 debug log Item Storage Location File Type Description Extraction Method appl debug log log Debug log Debug log N gz Realtime debug log of information useful for future tracking recorded by various software blocks of the system WEC Administration gt File Management gt APC Local PC gt Select a file in the storage location in the browse window and click the Download button CLI WEC8500 file upload ID PW IPADDR disk log Debug log Debug log WEC8500 file upload ID PW IPADDR disk log Debug log old Debug log old WEC8500 file upload ID PW IPADDR disk log Debug log old2 Debug log old2 CP
64. ration file Possible Causes When entering the configuration file name the APC model name config extension was also entered e The configuration file being imported is corrupted or invalid e Insufficient disk free space SAMSUNG Electronics Co Ltd page 39 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management Solutions 1 When entering the file name enter only the file name without the extension WEC8500 import test reset_code 61 test wec8500 config file compressed on etc config is decompressed into import directory SUCCESS Warning System will reboot 2 The configuration file is abnormal use another file 3 Check the disk usage space of the system and if there is insufficient free space delete the unnecessary files and try again WEC8500 file df Device disk Filesystem ext4 Total size 11 6G Free space 100 0K WEC8500 file 1s Current working directory disk directory 4 0K Dec 26 16 47 06 etc file 1 0G Dec 12 17 48 18 bigFile directory 4 0K Dec 27 15 56 00 stats WEC8500 file remove bigFile disk bigFile Do you really want to remove it y n WEC8500 file df Device disk Filesystem ext4 Total size 11 6G Free space 1 0G SAMSUNG Electronics Co Ltd page 40 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 7 3 Error when executing export The export
65. rence Devices Figure 4 Web UI PSK authentication failure Possible Causes e Wi Fi network authentication settings of the wireless station are incorrect WLAN security settings of the APC are incorrect SAMSUNG Electronics Co Ltd page 51 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management Solutions 1 Check Wi Fi network authentication settings of the wireless station Check if PSK is enabled and check if the key setting is correct For details on checking the wireless station see the user manual of the respective product 2 Check if the WLAN security option of the APC is set to PSK If the security option is not PSK change the option by referring to the Operation Manual of the APC The information can be checked executing a CLI command in the following way EC8500 show wlan security summary EC8500 show wlan security detail lt wlan id gt The information can be checked using the Web Ul in the following way On the top menu click Configuration On the left menu click WLANs On the WLAN list click the WLAN ID Click the Security tab Click L2 and Check the settings e e ee ee SAMSUNG Electronics Co Ltd page 52 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 2 2 0 Static WEP access failure Symptoms When a wireless station attempts to connect to a Wi Fi network configured for Static WEP re association is performed normally but subsequent
66. rk settings WEC8500 ping 100 100 100 10 gt AP s IP address is 100 100 100 10 ping 100 100 100 10 PATTERN 0x2505 PING 100 100 100 10 100 100 100 10 64 72 bytes from 100 100 100 10 icmp_seq 72 bytes from 100 100 100 10 icmp _seq q q q 92 bytes of data 1 ttl 64 time 0 089 ms 2 ttl 64 time 0 055 ms 3 4 5 72 bytes from 100 100 100 10 icmp_s 72 bytes from 100 100 100 10 icmp_s 72 bytes from 100 100 100 10 icmp s ttl 64 time 0 066 ms ttl 64 time 0 060 ms ttl 64 time 0 068 ms 100 100 100 10 ping statistics 5 packets transmitted 5 received 0 packet loss time 1998ms rtt min avg max mdev 0 055 0 067 0 089 0 014 ms If ping fails connect to the AP from the console to check the current IP setting information and check the AP gt APC network connection AP show config interface summary gt Check the network setting information Name a u waya seed eg vata E ae Sh T attr eed waka aaa A Sve apa ee a aus bro Moden deeg Ee EE E Static MAG ua she Ge Q uma ats a w ba a p aQ Q bd ein eat e er ur det cata ee hat a F4 D9 FB 34 18 60 TE AGA TESS lee aqsu m fora eg eelere 100 100 1 200 S et Mask svc ices See EE heat oy ce e Oh a theives dE 299 4299 200 0 Gateway EE minta paqa EE 100 100 1 1 PHY SGC EE EE UP Interface EE UP AP show config network summary gt Check the network status information APG COD sarge wire aw aaa ks reich races what er a
67. s not setup or there is a problem with the connection between the APC and the AP Symptoms Reporting function of spectrum analysis is not provided Possible Causes The reporting function is not enabled There is an error with the Control And Provisioning Wireless Access Point CAPWAP which is the connection between the APC and the AP Solutions 1 Check the spectrum analysis setting of the AP WEC8500 show spectrum analysis config ap 1 Report Settings Sample Report EET x ice sya Was eugene va etait Q eu Woes agit Disabled Re erence Repo Gls igs daa eee asics Geena ards BA ee aS ae Enabled Duty Cycle REPOT sessa a eae deb ae Goda oS oe ed arg Q uu wapus Disabled If Report Settings of spectrum analysis is not in Enable state enter the following command For FFT WEC8500 configure spectrum analysis apid 1 configuration request sample enable For Duty Cycle WEC8500 configure spectrum analysis apid 1 configuration request duty cycle enable For Interference WEC8500 configure spectrum analysis apid 1 configuration request interferenc nabl SAMSUNG Electronics Co Ltd page 57 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 2 WLAN Management 2 Check the State of CAP WAP If the state is not normal 1 1 5 solve the problem by referring to CAPWAP Status is not RUN WEC8500 show ap summary AP Mgmt interface IP
68. see the user manual of the respective product 2 Check that the WLAN security option of the APC is set to 802 1x If the security option is not 802 1x change the option by referring to the Operation Manual of the APC The information can be checked executing a CLI command in the following way EC8500 show wlan security summary EC8500 show wlan security detail lt wlan id gt The information can be checked using the Web UI in the following way On the top menu click Configuration On the left menu click WLANs On the WLAN list click the WLAN ID Click the Security tab Click L2 to check the settings Click Radius to check the settings e ee eeee 3 Check that the RADIUS server settings are correct The information can be checked executing a CLI command in the following way EC8500 show security radius server summary EC8500 show security radius server detail lt server id gt The information can be checked using the Web Ul in the following way On the top menu click Configuration On the left menu click Security gt AAA Stations gt RADIUS in order On the WLAN list click the WLAN ID On the RADIUS server list click the ID to check the settings eeee 4 Check that the network cable is correctly connected to the RADIUS authentication server system Also check if the IP address of the RADIUS system is correctly configured for the network environment t
69. show processes log command to check whether the log information exists If the process log information exists execute the show processes log id command to check the problem and take necessary actions WEC8500 show processes log id 3 id date name pid signal backtrace reason 3 2012 08 16 22 05 31 pm 1357 SIGTERM 15 traced signal SAMSUNG Electronics Co Ltd page 26 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management detail additional info gt si_signo 15 Terminated si_errno 0 si code 0 si pid 1473 si uid 0 si status 85 si_utime 28 si stime 366752186384 si int 85 si ptr 0x556421a7f0 si_overrun 0 si_timerid 1473 si _ addr 0x5c100000000 si band 6326486827008 si fd 85 usr local lib libplog so plog_log 0x334 0x55645b4084 usr local lib libplog so plog_signalhandler 0x350 0x55645b4488 LOXFEEFEEfEOLO lib64 libpthread so 0 sem timedwait 0x186 0x55645e2ec6 usr local lib libths so thsSemWait 0x94 0x5564240ad4 usr local lib libths so thsSuspendTask 0xdc 0x55642411dc pm main 0xlec 0x120007064 v v v v v v v V SAMSUNG Electronics Co Ltd page 27 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 5 Device related Alarms 1 5 1 System Temperature Alarm The System Temperature Alarm is generated when the system temperature exceeds the threshold The alarm is cleared when the temperature drops belo
70. ss DPC Enable Enabled Enabled Periodic Interval 600 600 RSSI Threshold 70 70 TX Power Min Max 6 20 12 20 inimum Number of AP 4 4 Elapsed Time After Last Run 321 317 Dynamic Channel Selection ssssass mar masssssssasmaass s DCS Eanble Enabled Enabled Periodic Interval 120 120 Anchor Time Start 4 4 Anchor Time Stop 5 5 Interference Level Threshold 80 80 Channel Utilization Threshold 80 80 My Utilization Threshold 10 40 Delayed Channel Change Disabled Disabled Aware Option Voice Call Enabled Enabled Aware Option Traffic Disabled Disabled Aware Option Station Assoc Disabled Disabled Station Count for Station Aware 0 0 Elapsed Time After Last Run 39 115 Coverage Hole Detection and Control CHDC Enable Enabled Enabled RSSI Voice Threshold 75 75 RSSI Data Threshold 80 80 SAMSUNG Electronics Co Ltd page 81 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 5 Wi Fi Management Percentage Statistics Minimum Failed Client Count Min Failed Count Collect Enable Statistics Collect Interval Disabled 5 25 Disabled 120 3 To enable all RRM functions execute the following commands WEC8500 configure terminal WEC8500 configure rrm WEC8500 configure rrm enabl WEC8500 configure rrm 80211 WEC8500 configure rrm 80211 WEC8500 configure rrm 80211 WEC8500 configure rrm 80211 WEC8500 configure rrm 80211 WEC850
71. ty server or PC and the APC are not connected to the network Solutions 1 Check that the SNMP community setting of the MIB browser and the SNMP community information of the APC match each other If SNMP community is not setup or the information does not match execute the snmp community command to setup SNMP community WEC8500 show snmp community Count CommunityName AccessType IPAddress Netmask If a problem occurs on SNMP set requests also check that AccessType is set to Read Write 2 Execute the ping command on the APC to check the network connection If the command fails contact your network administrator SAMSUNG Electronics Co Ltd page 35 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 6 2 Trap cannot be sent Since all alarms of the system are sent to the outside as SNMP Trap by default any external management server used for receiving the system alarms must have its address registered as a trap target Symptoms No trap is sent from the APC Possible Causes e Not registered as a trap receiver on the APC e The Trap server or PC and the APC are not connected to the network Solutions 1 Check the trap receiver list of the APC If the server is not on the list execute the snmp trap command to add an SNMP trap target WEC8500 show snmp trap Count TrapVersion TrapCommunityName IPAddress Port
72. uring the booting process for the following reasons e No disk device is installed e The disk device is not detected because the disk device connector is not correctly connected e The disk device has sustained an irrecoverable physical damage Solutions Contact the Samsung Technical Support Team for the countermeasure SAMSUNG Electronics Co Ltd page 11 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management 1 1 3 Booting failure due to file system error This occurs if an error occurs in the booting partition installed on the disk or in the file system while the APC is booting which leads to the kernel loading failure Symptoms The system kernel loading fail status 1 log is displayed during booting process and the system restarts 3 times Then the system goes to the shell environment of the boot loader Omitted boot partition Enter password BOOTING START t Looking for valid bootloader image Bad partition 1 system kernel loading fail status 1 z AL to stop autoboot reset boot partition system kernel Fail from part system kernel bootoctlinux HERPES HEHE HEE HEE tt Bootloader fai fault Check your sys L ift tt Octeon wec8500 Omitted Retry the same process for thr times when the board is Enter password to stop autoboot Bad partition 1 Setting boot partition to 2 Writing tuple type 61441 to add
73. w the threshold If the system temperature reaches the shutdown temperature the system is powered off for system protection Symptoms The following alarms are generated 2012 08 28 12 54 46 system CRT System Temperature Alarm APC Declare Temperature 94 Threshold 93 Possible Causes The system s ambient temperature has increased or the system temperature has increased due to an external environment problem e The temperature sensor or the fan of the system is faulty Solutions If System Temperature Alarm occurs check the system temperature and the fan status 1 Check the system temperature WEC8500 show system temp Sensor Location Temperature CPU sensor 1 34 CPU sensor 2 41 Board 32 2 Check the fan status of the system WEC8500 show system info System Info model type WEC8500 system description Samsung AP Controller board version Dr E cpld version O 5 system mac address 00 7e 37 00 1e 70 system total memory 16046580 KBytes system total disk 13520032 KBytes SAMSUNG Electronics Co Ltd page 28 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 1 System Management Temperature Sensor Status cpu upside sensor OK cpu downside sensor OK board sensor OK Fan Status fan 0 OK fan 1 OK fan 2 OK fan 3 OK Power Supply Status Power Supply 0 Equipped Status OK Power Supply 1 ot Equipped Status 3 If there is
74. y using the AP MAC information SAMSUNG Electronics Co Ltd page 67 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection Management with AP 3 2 Automatic Upgrade does not Work on AP When attempting a CAPWAP connection if the firmware version of the AP registered with the APC is different from the firmware version the AP is actually running the AP is automatically upgraded Symptoms Automatic Upgrade does not Work on AP Version information of Default Type of weafama PKG Name checked with show ap upgrade summary must be the same as the firmware version of the AP Firmware version information of the AP can be checked under Version current of the AP_ID executing the show ap upgrade list WEC8500 show ap upgrade summary ap upgrade config summary Type Default Mode FTP Path package ap IpAddress 10 10 1011 PortNum S 21L MAXretries 2 MAXdownload S 3 currentDownload 0 waitApCount 0 Target All PKG Name Version FileName Type weafama 1 2 6 R weafama_1 2 6 R bin Default weafama Quick Upgrade weafama Predownload WEC8500 show ap upgrade list RC FR RC RetryCount FailReason RebootCause Pri VersionPriority MD model A AP config AP ID Model Version config current Status RC FR RC Pri force 1 WEA303i Global 1 2 6 R None 0 0 128 MD No SAMSUNG Electronics Co Ltd page 68 of 92 2600 00FK28GAB Ver 3 0 CHAPTER 3 Connection

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