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1. 3 2 LIST Use the LIST command in order to view the TRMTP protocol parameters Sf INST FORVARDER DEP Confisuration Doc DM263 1 6 3 Teldat FORWARDER aoe Configuration Doc DE Syntax DEP TRMTP Cfg gt LIST Example DEP TRMTP Cfg gt LIST Local UDP Port Max length of messages Max num of retransmissions Answer timer Tx error recuperation timer Tx inactivity timer Rx inactivity timer DEP TRMTP Cfg gt 3 3 SET Use the SET command in order to configure the TRMTP protocol parameters in the forwarder DEP Syntax DEP TRMTP Cfg gt SET LOCAL PORT N1 N2 T1 T2 T3 T4 a SET LOCAL PORT This parameter permits you to configure the local UDP port where the TRMTP messages will be received from the remote CBRA ADSL devices The range of valid values is from 0 to 65535 By default port 20001 is used Example DEP TRMTP Cfg gt SET LOCAL PORT Enter local UDP port value 0 65535 20001 DEP TRMTP Cfg gt b SET NI Configures the N1 parameter or the maximum size of the message data field that can be transmitted and received by TRMTP The permitted values are from 1 1400 octets The default value is 1400 f FORWARDER DEP Configuration Doc DM263 I ne adat I 11 Rev 1 0 Example DEP TRMTP Cfg gt SET N1 Enter max length of messages 1 1400 1400 DEP TRMIP Cfg gt c SET N2 Configures the N2 parameter or the maximum number of permitted retransmissions in order
2. AAN Tarda FORWARDERDEP Events gt Doc DM263 1 6 4 Teldat EE de Rep i 2 Events example for correct transaction An example of the events that you can view in the CTX D after a correct transaction via TRMTP is XP 2 01 29 01 12 17 07 DEP 001 Rx TST from 172 4 2 44 New SES 151fbf4 Hash Index 29 01 29 01 12 17 07 DEP 002 Rx S Msg NRI 213234230999 from 172 4 2 44 St 1 ses 151fbf4 01 29 01 12 17 07 DEP 003 Tx A Message to 172 4 2 44 state 2 ses 151fbf4 Data Msg from 172 4 2 44 State 4 ses 151fbf4 01 29 01 12 17 14 DEP 005 Tx Data Msg to 172 4 2 44 State 5 ses 151fbf4 01 29 01 12 17 18 DEP 006 Rx L Message from 172 4 2 44 State 4 ses 151fbf4 01 29 01 12 17 18 DEP 008 Rx EOT from 172 4 2 44 State 0 ses 151fbf4 01 29 01 12 17 11 DEP 004 Rx This will then appear as a correct transaction in the monitoring menu SP 3 Console Operator P DEP DEP Protocol monitor DEP gt LIST TRANSACTIONS OK I IP ADDRESS NRI T START T END 172 4 2 44 213234230999 12517507 12007518 29 01 01 DATE fa Ted o o FORWARDERDEP Events Doc DM263 1 ej ted wo P Rev IO
3. Short Syntax DEP 010 Error Handler couldn t be created Long Syntax DEP 010 Error Handler couldn t be created Description Error in the device a new TRMTP handler could not be created DEP 011 Level Per packet trace P TRACE Short Syntax DEP 011 TCP Opened from ip address Ses session Hash Index index fog SN Tarda FORWARDERDEP Events gt Doc DM263 1 6 4 Teldat dr ei Rey LO Long Syntax DEP 011 HOST ip address has opened the session TCP session with Hash Index index Description A TCP session has been opened with IP address ip address DEP 012 Level Per packet trace P TRACE Short Syntax DEP 012 TCP Session Closed State state ses session Long Syntax DEP 012 The TCP session has been closed State state ses session Description The indicated TCP session has been closed DEP 013 Level Per packet trace P TRACE Short Syntax DEP 013 TCP Session Remote Closed State state ses session Long Syntax DEP 013 The TCP session has been closed by the remote HOST State state ses session Description The TCP session has been remotely closed by the HOST DEP 014 Level Unusual external error UE ERROR Short Syntax DEP 014 WARNING Max number of TCP sessions Long Syntax DEP 014 WARNING The max number of TCP sessions has been reached Description The maximum number of simultaneous TCP sessions has been reached No further sessions are permitted until one of the currently established sessions has ended
4. NE Teldat Forwarder DEP User Manual Doc DM263 I Rev 1 0 November 2001 INDEX Chapter 1 Introducli n ii Me Se 1 IntroducCtHON ees see see ee ee Re RR ee ren ee Ren AE RER er non ee AR En RER RA RENARE RA RAR ARENA RAR Re ee REA ee 2 Chapter 2 Configuring the Forwarder DEP s ssssssssssssssssssssosssosssssssssrsssrnnsrsrsosnnssnns0rd 1 Centix D Forwarder DEP in ese Se ata 1 1 Forwarder DEP 2 DEP Configuration Commands 2 1 2 HELP SE tees 22 EIS Ei ie eta eternes SENT cama ERNER E E SN Er ESR 2 3 SET RA AAR ER RE AE ad La Ds EE na EA Ee des ee a SET CALLED NA ooooeoe b SET CALLING NA c SET MAX TPV NUMBERS ane ais sea d SEE MODE ie SE EE De il EE EE cia e SET TERMINALTYPE ias 7 P REVERSE CHARGEE ees Me eis USER DATA m cc ca ae ae ea 2 4 2 5 2 6 3 3 1 3 2 3 3 a b c d e 8 3 4 4 1 4 1 4 2 4 3 4 4 14 1 2 a b c a b c LIST SESSIONS LISTSTATISTIGS A A A ia 20 LIST TRANSACTIONS uses Seekos test ai eb 22 e LIST TRANSACTIONS OR esse iese seek oek a ge Ge oek Ge Ge ea der Ge Ge RANER 22 e LIST TRANSACTIONS WRONG sssseesssesssrosssroesssressrrerseresssrressrrrssrrrrsrrrrsrrrrrsrrnn rr ee 23 Chapter 4 Forwarder DEP Events me2oaamo es ssse sesse ses ees see Gee Gee Ge Gee Ge Gee se gee se gee se gee se ee Z 1 Monitoring the forwarder DEP events ie
5. Rev 1 0 Chapter 3 Monitoring the Forwarder DEP 1 Monitoring In order to enter the forwarder DEP monitoring process follow the steps given below 1 At the prompt enter PROCESS 3 or just P 3 This will take you to the monitoring prompt BIS 2 At the prompt enter the command PROTOCOL DEP PROTOCOL DEP DEP Protocol monitor DEP gt Below the DEP monitoring commands are ennumerated and described All the DEP monitoring commands must be entered at the DEP prompt DEP gt The letters appearing in bold are the minimum number of letters that must be entered in order to execute the command Command Functions HELP Lists the available commands or their options CLEAR Deletes all the forwarder statistics counters LIST Displays the information on the forwarder statistics EXIT Permits you to exit the DEP monitoring environment DEP Monitoring Commands 1 1 HELP The HELP command serves to list all the available commands included at the normal prompt level You can also enter after a specific command name in order to obtain the options Syntax Example ri FORWARDER DEP Monitori Doc DM263 1 6 4 leda ag OS C5 Rev 1 0 1 2 CLEAR Command to initiate the DEP statistics Syntax DEP gt CLEAR ALL STATISTICS TRANSACTIONS a CLEAR ALL Deletes all the interface statistics transactions and traffic Example DEP gt CLEAR ALL DEP b CLEAR STATISTICS Deletes all th
6. correct The following chapters will explain how to configure the Centrix D HOST device that receives the IP traffic from the transactions executed with the POSs connected to the Teldat C3 devices and delivers them in X 25 to the Payment Processor Entity HOST FORWARDER DEP Introducti Doc DM263 I e Teldat E ntroduction oc w Chapter 2 Configuring the Forwarder DEP 1 Centrix D Forwarder DEP 1 1 Forwarder DEP The Centrix D is the concentrator device located in the central offices which receive the IP connection petitions from the multiple remote devices and delivers them to the HOST in traditional X 25 format The Centrix D has the forwarder DEP Packet Assembler Dissembler PAD from here on referred to as DEP Desensamblador Ensamblador de Paquetes implemented which receives the TRMTP packets where the packets generated by the dataphone are encapsulated and delivered to the HOST in traditional X 25 format In order to do this the Centrix D dynamically creates TRMTP sessions each time a synchronization packet or TST from a Teldat C3 is received sessions which close on receiving the EOT packets or when the T4 timer times out The parameters requiring configuration in the DEP are e Operation Mode Permits you to select the transport protocol used This can be TRMTP or TCP The optimal work mode for Centrix D is TRMTP For this reason we recommend always using this protocol e Type of Terminal This permits you to
7. 2 2 LIST The LIST command is used in the DEP configuration process in order to display the DEP interface configuration information Syntax DEP config gt LIST Example DEP config gt LIST Transport Mode TRMTP Terminal Type GENERAL ax number of terminals 2 150 NA Called NA Calling 072411194048 Reverse Charge 3 User Data DEP config gt 2 3 SET Use the SET command in the DEP configuration process in order to configure the forwarder DEP parameters Syntax DEP config gt SET CALLED NA CALLING NA MAX TPV NUMBERS MODE TERMINAL TYPE REVERSE CHARGE USER DATA a SET CALLED NA This permits you to configure the X 25 called NA This parameter only takes effect when the forwarder is configured as SPECIFIC type ve Tedar FORWARDER DEP Configuration Doc DM263 I t 1 6 Rev 1 0 Example DEP config gt SET CALLED NA NA called 900000009 DEP config gt b SET CALLING NA This parameter permits you to configure the X 25 calling NA Example DEP config gt SET CALLING NA NA calling 333333334 DEP config gt c SET MAX TPV NUMBERS This parameter permits you to configure the maximum number of X 25 calls that you can have established towards the HOST Example DEP config gt SET MAX TPV NUMBERS Maximum number of terminals 200 DEP config gt d SET MODE Configures the IP transport mode that is going to be used to encapsulate the datafone protocol packets The available trans
8. DEP Calls released by the HOST Calls rejected by the HOST INFO packets sent to the HOST INFO packets received by the HOST STATISTICS RECEIVED FROM THE TERMINALS Connection request S packets received Connection acceptance A packets transmitted Disconnection requests received Disconnection requests transmitted Data packets received Data packets transmitted Synchronized TST messages received a Teldat FORWARDER DEP Monitoring Doc DM263 I HI 21 Rev 1 0 EOT messages received EOT end of transmission messages received ACK messages received ACK messages received NAK messages received NAK messages received TI Timeouts detected T1 timeouts detected T2 Timeouts detected T2 timeouts detected T3 Timeouts detected T3 timeouts detected T4 Timeouts detected T4 timeouts detected N2 overflows detected Excess of retransmissions detected Errors or congestion detected Transmission failures due to error or congestion detected c LIST TRANSACTIONS Through this command you can view the latest operations carried out with the Centrix D both those sucessfully executed as well as those that haven t been able to be completed Syntax DEP gt LIST TRANSACTIONS OK WRONG e LIST TRANSACTIONS OK Lists the latest transactions that have been sucessfully completed Following this command you can introduce the number of transactions you wish to view Example DEP gt LIST TRANSACTIONS OK IP ADDRESS
9. NRI T START T END DATE 202 1 1 1 215063204048999 19 05 46 19 05 52 20 09 00 201 1 1 2 217023601048999 18 09 29 18 09 34 20 09 00 The meaning of the distinct fields is as follows T Type of transaction IP ADDRESS IP address of the TELDAT C3 that carried out the operation NRI X 25 address that the datafone calls T START Indicates the start time of the operation T END Indicates the end time of the operation DATE Indicates the date the operation was carried out on lt Teldat FORWARDER DII Monitoring C Doc MAGAT e LIST TRANSACTIONS WRONG Lists the latest transactions that have not been sucessfully completed Following this command you can introduce the number of transactions you wish to view Example DEP LIST TRANSACTIONS WRONG 3 IP ADDRESS NRI CAUSE T START T END DATE 201 1 1 2 217023601048999 2 19 57 29 19 58 01 21 09 00 201 1 1 2 217023601048999 1 18 26 32 18 26 33 21 09 00 2021 30 217023601048999 1 18 24 18 18 24 18 21 09 00 The meaning of the distinct fields is as follows T Type of transaction IP ADDRESS IP address of the TELDAT C3 that tried to carry out the transaction NRI X 25 address that the datafone called CAUSE Reason why the connection failed T START Indicates the start time of the operation T END Indicates the end time of the operation DATE Indicates the date the operation was carried out on The possible values for the cause field are as follows 1 X 25 call released b
10. P Cfg gt 2 6 EXIT Use the EXIT command to return to the previous prompt level Syntax DEP config gt EXIT JJ INST FORWARDER DEP Confieuration Doc DM263 1 ej eldat FORWARDER cm Configuration Doc DE Example DEP config EXIT Config gt SF WTiA FORWARDER DEP Confieuration DocDM263 I ej ted FORWARDER a Configuration Doc DE 3 Configuring the TRMTP parameters This section will explain the configuration of the TRMTP transport mode paramters in the forwarder DEP We recommend using the TRMTP as the transport mode against TCP TRMTP is more efficient for communications of this type permtting a higher number of simultaneous connections In order to access the TRMTP configuration parameters menu you reed to execute the TRMTP MENU command from the forwarder DEP configuration process Syntax DEP config gt TRMTP MENU DEP TRMTP Cfg gt The available configuration commands are as follows Command Functions HELP Lists the configuration commands or lists any parameters associated to a command LIST Displays the configured information from the TRMTP protocol SET Configures the interface s general parameters EXIT Returns to the previous prompt TRMTP parameter configuration commands 3 1 HELP The HELP command serves to list all the available commands included in the available prompt Syntax DEP TRMIP Cfg gt Example DEP TRMTP Cfg gt LIST SET EXIT DEP TRMTP Cfg gt
11. RMTP transmitter sends an EOT command to the remote end indicating that the TRMTP session is closing and the next confirmation f FORWARDER DEP Configuration Doc DM263 I ne adat I 12 Rev 1 0 message will be preceded by a synchronization phase The permitted values are from O 65535 seconds and should be less than T2 The default value is 45 seconds Example DEP TRMTP Cfg gt SET T3 Enter T3 value Tx inac 1 65535 secs 3012 DEP TRMTP Cfg gt g SET T4 Configures the T4 parameter or the inactivity timer between received TRMTP confirmation messages This timer sets the inactivity time between received messages It restarts each time an TRMTP confirmation message is received When this times out the TRMTP receiver passes to an idle state and the subseguent confirmation message received must be preceeded by a synchronization phase The permitted values are from 1 65535 seconds We recommend although this is not essential that the value should be approximately the same as T3 The default value is 100 seconds Example DEP TRMTP Cfg gt SET T4 Enter T4 value Rx inac 1 65535 secs 100 DEP TRMTP Cfg gt NOTE We strongly recommend that the timer values are not modified and the default values are used The following must be fulfilled T2 gt T1 and T2 gt T3 3 4 EXIT Use the EXIT command to return to the previous prompt Syntax DEP TRMTP Cfg gt EXIT Example DEP TRMTP Cfg gt EXIT DEP
12. a Msg to ip address State state ses session Long Syntax DEP 005 Tx Data Message to ip address address in state state ses session Description A data message has been transmitted DEP 006 Level Per packet trace P TRACE Short Syntax DEP 006 Rx L Message from ip address State state ses session Long Syntax AAN Tarda FORWARDERDEP Events Doc DM263 1 6 4 Teldat oe PE Rev i DEP 006 Rx Release from ip address address in state state ses session Description A disconnection message has been received DEP 007 Level Per packet trace P TRACE Short Syntax DEP 007 Tx L Message to ip address State state ses session Long Syntax DEP 007 Tx Release to ip_address address in state state ses session Description A disconnection message has been transmitted towards the TeldatC3 DEP 008 Level Per packet trace P TRACE Short Syntax DEP 008 Rx EOT from ip address State state ses session Long Syntax DEP 008 Rx EOT from ip address address in state state ses session Session closed Description An EOT message from the TRMTP has been received from the indicated IP address DEP 009 Level Per packet trace P TRACE Short Syntax DEP 009 Rx T4 Ind State state ses session Long Syntax DEP 009 Rx T4 Ind in state state ses session Session closed abnormally Description A disconnection indication from the TRMTP has been received due to time out without data DEP 010 Level Unusual external error UE ERROR
13. arry out the steps explained below 1 At the prompt enter PROCESS 4 or just P 4 This will take you to the configuration prompt Config gt Config gt 2 Subsequently enter the PROTOCOL DEP or P DEP command Config gt P DEP DEP Configuration DEP config gt In this chapter the forwarder DEP configuration commands are ennumerated and described All the Forwarder DEP configuration commands must be entered at the DEP prompt DEP config gt The letters appearing in bold are the minimum number of letters that must be entered in order to execute the command Command Functions HELP Lists the configuration commands or lists any parameters associated to a command LIST Displays the forwarder DEP configured information SET Configures the forwarder DEP global parameters TCP MENU Permits you to enter the TCP parameter configuration menu TRMTP MENU Permits you to enter the TRMTP parameter configuration menu EXIT Returns to the Config gt prompt DEP configuration commands 2 1 HELP The HELP command serves to list all the available commands included in the normal prompt level In the same way you can enter after a specific command name in order to obtain the associated options Syntax DEP config gt JJ MT ast FORVARDER DEP Confisuration Doc DM263 1 NE Teldat FORWARDER pEr Configuration Doc De T Example DEP config gt LIST SET TCP MENU TRMTP MENU EXIT DEP config gt
14. config gt JJ WNTiA FORVARDER DEP Confisuration Doc DM263 1 ej ted FORWARDER ae Configuration Doc DE 4 Configuring the TCP parameters This chapter will explain the configuration of the TCP transport mode paramters in the forwarrder DEP We recommend using the TRMTP as the transport mode against TCP TRMTP is more efficient for communications of this type permtting a higher number of simultaneous connections In order to access the TCP configuration parameters menu you need to execute the TCP MENU command from the forwarder DEP configuration process Syntax DEP config gt TCP MENU DEP TCP Cfg gt The available configuration commands are as follows Comando Funciones HELP Lists the configuration commands or lists any parameters associated to a command LIST Displays the configured information from the TCP protocol SET Configures the interface s general parameters EXIT Returns to the previous prompt TCP parameter configuration commands 4 1 HELP The HELP command serves to list all the available commands included in the available prompt Syntax Example DEP TCP Cfg gt TEST SET EXIT DEP TCP Cfg gt 4 2 LIST Use the LIST command in order to view the TCP protocol parameters f FORWARDER DEP Configuration Doc DM263 I ME Tedat II 14 Rev 1 0 Syntax DEP TCP Cfg gt LIST Example DEP TCP Cfg gt LIST Local TCP Port 20002 Length of Rx buffer 1024 bytes Leng
15. e Dataphone 5 Waiting for data coming from the HOST 0 Disconnection b LIST STATISTICS Lists all the forwarder DEP traffic statistics 7 FORWARDER DEP Monitori Doc DM263 1 e f da Me ORS Rev 1 0 Example DEP gt LIST STATISTICS STATISTICS FROM X25 Attempted Calls Accepted Calls Disconnect Reguest to Host Refused Connections from DEP Release Calls from Host Rejected Calls from Host I Frames Sent I Frames Received STATISTICS FROM TERMINALS Connect Request Received Call Accept Transmited Disconnect Ind Received Disconnect Ind Transmited Data Messages Received Data Messages Transmited messages received messages received messages received messages received Timeouts detected Timeouts detected Timeouts detected Timeouts detected overflows detected Errors or congestion detected DEP gt The meaning of the fields is as follows STATISTICS FROM X25 Attempted Calls Accepted Calls Disconnect Request to Host Refused Connections from DEP Release Calls from Host Rejected Calls from Host I Frames Sent I Frames Received STATISTICS FROM TERMINALS Connect Request Received Call Accept Transmited Disconnect Ind Received Disconnect Ind Transmited Data Messages Received Data Messages Transmited TST messages received O OOOOMHMONOO STATISTICS FROM X 25 INTERFACE Attempted calls to the HOST Calls accepted by the HOST Disconnection requests to HOST Calls rejected by the
16. e interface traffic statistics Example DEP gt CLEAR STATISTICS DEP c CLEAR TRANSACTIONS Deletes all the transaction statistics Syntax DEP gt CLEAR TRANSACTIONS OK WRONG Examples DEP gt CLEAR TRANSACTIONS OK DEP gt DEP gt CLEAR TRANSACTIONS WRONG DEP gt 1 3 LIST Permits you to view different statistics for traffic transactions carried out transactions in progress etc in the forwarder DEP 7 FORWARDER DEP Monitori Doc DM263 1 e fed mo ORS Rev Syntax DEP gt LIST 7 SESSIONS STATISTICS TRANSACTIONS a LIST SESSIONS Lists all the transactions that are currently in progress i e the sessions that are currently open at this moment and the state they are in The total number of active sessions is displayed at the end Example DEP gt LIST SESSIONS Remote Address Remote Port State Hash number Session died dh 20001 5 116 e42d40 TOTAL ACTIVE SESSIONS 1 DEP The meaning of the distinct fields is as follows Remote Address IP address of the TELDAT C3 carrying out the operation Remote Port TELDAT C3 UDP port carrying out the operation State State of the transaction Hash number Internal cookie to identify the session Session Internal cookie to identify the session The transmission state can take the following values 1 TRMTP session open waiting for the Call Request S message 2 Waiting for X 25 connection acceptance 4 Waiting for data coming from th
17. port protocols are TRMTP and TCP Syntax DEP config gt SET MODE TCP TRMTP Example DEP config gt SET MODE TRMTP DEP config gt e SET TERMINAL TYPE Through this parameter you configure where the called NA is taken from in the X 25 connections established towards the HOST There are two possible types general this copies the NA from the call establishment packet coming from the dataphone protocol and special which copies the called NA from the forwarder DEP configuration Syntax DEP config gt SET TERMINAL TYPE GENERAL SPECIAL f FORWARDER DPP Confi ti Doc DM263 I ej ted ef onfiguration oc oa Example DEP config gt SET TERMINAL TYPE GENERAL f REVERSE CHARGE Not used g USER DATA Not used 2 4 TCP MENU Use the TCP MENU command in the DEP configuration process in order to enter the configuration menu for the TCP specific parameters This protocol is less efficient than the TRMTP permitting a lower number of simultaneous connections Syntax DEP config gt TCP MENU Example DEP config gt TCP MENU DEP TCP Cfg gt 2 5 TRMTP MENU Use the TRMTP MENU command in the DEP configuration process in order to enter the configuration menu for the TRMTP specific parameters as explained in the following section This protocol is more efficient than the TCP allowing a higher number of simultaneous connections Syntax DEP config gt TRMTP MENU Example DEP config gt TRMTP MENU DEP TRMT
18. s se ses ee se ses ee se sege ge Gee ge rer renen ser sense Gee Re bon sen eg ser nn 2 Events example for correct transaction Chapter 1 Introduction 1 Introduction The user escenario for dataphone over ADSL is as shown in the following figure POS protocol POS protocol over IP X26 Secure communications Sena lines y N 4 Paymet Processor Vd b 1U fnandia Access Transport cial Entity POS Termina Ethemet rame Relay y a Teldatc3 Y ae BERS ra Computer Computer N a Merchant J Internet Managemert center The Teldat C3 and Centrix D devices are the devices that carry out encapsulation and decapsulation of the dataphone protocol in IP The Teldat C3 is the device installed at the shop and is responsible for packeting the dataphone calls in IP protocol and transmitting them The Centrix D is the concentrator device located in the central offices which receive the IP connection petitions from the POSs connected to the Teldat C3 devices and delivers them to the HOST in traditional X 25 format The transport protocol between the Teldat C3 and Centrix D is TELDAT s own protocol TRMTP Trivial Message Transport Protocol in secure mode The TRMTP in secure mode is a protocol based on UDP which ensures that all information messages reach the remote end detects the reception of duplicated messages for discarding purposes and ensures that the arrival order of the messages is
19. select where you can obtain the X25 called NA from The NA called can be extracted from the dataphone protocol call request message general type or that this is configured in the Centrix D special type e Maximum number of terminals This is the maximum number of X 25 calls that can be simultaneously established towards the HOST e Calling NA e Called NA this is only used in the specific type Additionally other specific TRMTP parameters are also configured e Local UDP Port Number of the UDP port configured for reception in the Centrix D The UDP default port used in reception is 20001 e NI1 Maximum length of message data field e N2 Maximum number of message retransmissions e T1 ACK wait time before retransmitting e T2 Wait time in order to exit an error state Transmitter e T3 Inactivity time in order to exit the DATA state Transmitter and provoke an EOT transmission e T4 Inactivity timer in order to return to idle state OFF Receiver Additionally in order to ensure that the Centrix D adequately routes the X 25 calls towards the HOST you need to satisfactorily configure the routing paths acording to the NA towards the router s X 25 ports This is done from the configuration process s X25 node as explained in the X 25 Protocol Configuration Manual Dm507 I f FORWARDER DEP Confi ti Doc DM263 I 64 Teldat El onfiguration oc Es 2 DEP Configuration Commands In order to enter the configuration process c
20. th of Tx buffer 1024 bytes DEP TCP Cfgo 4 3 SET Use the SET command in order to configure the TCP protocol parameters in the forwarder DEP Syntax DEP TCP Cfg gt SET LOCAL PORT RX BUFFER TX BUFFER a SET LOCAL PORT This parameter permits you to configure the local TCP port where the data coming from the Teldat C3 devices will be received The range of valid values is from 0 to 65535 By default port 20001 is used Example DEP TCP Cfg gt SET LOCAL PORT Enter local TCP port value 0 65535 20002 DEP TCP Cfgo b SET RX BUFFER Configures the maximum size of the message data field that can be received by TCP The permitted values are from 100 1400 octets The default value is 1024 Example DEP TCP Cfg gt SET RX BUFFER Enter max length of Rx buffer 100 1400 1024 300 DEP TCP Cfg gt c SET TX BUFFER Configures the maximum size of the message data field that can be transmitted by TCP The permitted values are from 100 1400 octets The default value is 1024 Sf MTA aa FORWARDER DEP Confisuration Doc DM263 1 ej ladat FORWARDER ane Configuration Doc DE Example DEP TCP Cfg gt SET TX BUFFER Enter max length of Tx buffer 100 1400 1024 300 DEP TCP Cfg gt 4 4 EXIT Use the EXIT command to return to the previous prompt Syntax DEP TCP Cfg gt EXIT Example BEP TOP CEgPEXIT DEP config gt ve Teldat FORWARDER DEP Configuration Doc DM263 I t I 16
21. to be able to send a message via TRMTP The permitted values are from 0 65535 Values 0 and 1 indicate that retransmissions are not carried out The default value is 3 Example DEP TRMTP Cfg gt SET N2 Enter max number of retransmissions 0 65535 3 DEP TRMTP Cfg gt d SET T1 Configures the T1 parameter or the acknowledge wait timer for an TRMTP message Once this has timed out the message is retransmitted again The permitted values are from 1 65535 seconds The default value is 5 seconds Example DEP TRMTP Cfg gt SET T1 Enter T1 value Ack Wait 1 65535 secs 10 DEP TRMTP Cfg gt e SET T2 Configures the T2 parameter or the error recovery timer in TRMTP When there is a transmission error the TRMTP system for this interface becomes inactive Once the T2 has timed out the TRMTP system reactivates and from this point tries to sychronize with the receiver as soon as the system sends a confirmation message The permitted values are from 1 65535 seconds and this should be greater than T1 The default value is 50 seconds Example DEP TRMTP Cfg gt SET T2 Enter T2 value Tx Error 1 65535 secs 4012 DEP TRMTP Cfg gt f SET T3 Configures the T3 parameter or the inactivity timer between transmitted TRMTP confirmation messages This timer sets the inactivity time between transmitted messages It restarts each time an TRMTP confirmation message is sent When this times out the T
22. vents for the DEP protocol is as follows deptrp DEP 001 Level Per packet trace P TRACE Short Syntax DEP 001 Rx TST from ip address New SES session Hash Index index Long Syntax DEP 001 Rx TST packet from ip address address Create new SES session with Hash Index index Description fog SN Tarda o o FORWARDERDEP Events Doc DM263 1 ej ted po Rep id A TST packet has been received in order to initiate a TRMTP session from the indicated IP address DEP 002 Level Per packet trace P TRACE Short Syntax DEP 002 Rx S Msg NRI nri from ip address St state ses session Long Syntax DEP 002 Rx S Message with NRI nvi from ip address address in state state ses session Description An S message has been received with the indicated NA from IP address ip_address DEP 003 Level Per packet trace P TRACE Short Syntax DEP 003 Tx A Message to ip address state state ses session Long Syntax DEP 003 Tx Accept Message to ip_address address in state state ses session Description A connection acceptance A message has been transmitted towards the POS with the indicated IP address DEP 004 Level Per packet trace P TRACE Short Syntax DEP 004 Rx Data Msg from ip address State state ses session Long Syntax DEP 004 Rx Data Message from ip address address in state state ses session Description A data message has been received DEP 005 Level Per packet trace P TRACE Short Syntax DEP 005 Tx Dat
23. y the HOST 2 Incomplete transaction 3 Error in the IP connection 4 HOST sent two consequetive X 25 packets r FORWARDER DEP Monitori Doc DM263 1 6 4 leda Mes Rev Chapter 4 Forwarder DEP Events 1 Monitoring the forwarder DEP events Permits the real time monitoring of the events that arise in the forwarder DEP where the POSs IP transactions are received in order to convert them into X 25 transactions The way that these are enabled from the configuration menu is as follows PROCESS 4 User Configuration Config gt EVENT ELS Contig ELS Config gt ENABLE TRACE SUBSYSTEM DEP ALL ELS Config gt EXIT Config gt SAVE Save configuration n Y Saving configuration OK Config gt Likewise these can be enabled from the monitoring menu at any time without needing to saved in the configuration in the following way PROCESS 3 Console Operator EVENT ELS Monitor ELS gt ENABLE TRACE SUBSYSTEM DEP ALL ELS gt EXIT In order to view the events once enabled simply enter PROCESS 2 02 12 01 17 i UDAFO 001 Rx Data from TPV 1 bytes nt 2 state 1 02 12 01 17 UDAFO 003 Rx EOT from TPV nt 2 02 12 01 Le UDAFO 001 Rx Data from TPV 14 bytes nt 2 state 1 DEF12 0L IT i UDAFO 001 Rx Data from TPV 5 bytes nt 2 state 3 02 12 01 17 UDAFO 011 NRI 217778929099 connecting 202 6 33 1 nt 2 02 12 01 17 UDAFO 014 Sending message to Host 17 bytes nt 2 The list of available e

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