Cisco Catalyst 2955C 12 Switch
Contents
1. 16 switches using a standard Web browser For larger deployments Cisco Catalyst 2955 Series switches support Simple N etwork M anagement Protocol SN M P based network management platforms such as CiscoWorks This product line offers Cisco 105 Software functionality for traditional data video and voice services with enhanced intelligent services features for additional security advanced QoS and high availability Intelligent services are critical in supporting the reliability and determinism of proprietary Layer 2 solutions typical of industrial Ethernet deployments while providing the advantages standardization open connectivity bandwidth integration etc of an advanced Ethernet switching architecture These intelligent services includeLayers 2 4 traffic prioritization rate limiting and security filtering helping to ensure the high uptime low latency deterministic performance and data integrity critical for industrial automation control networks Cisco Catalyst 2955 Series switches consist of the following devices Cisco Catalyst 2955T 12 Twelve 10 100 ports and two fixed 10 100 1000BASE T uplink ports Cisco Catalyst 2955C 12 Twelve 10 100 ports and two fixed 100BASE FX multimode uplink ports Cisco Catalyst 2955S 12 Twelve 10 100 ports and two fixed 100BASE LX single mode uplink ports All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices2. BULK FILE MIB CISCO 2900 MIB CISCO CDP MIB CISCO CLASS BASED QOS MIB CISCO CLUSTER MIB CISCO CONFIG COPY MIB CISCO CONFIG MAN M IB CISCO ENVM ON MIB CISCO ENTITY MIB CISCO ENTITY ALARM M IB CISCO FLASH MIB CISCO FTP CLIENT M IB CISCO IMAGE MIB Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 10 of 16 Table 2 Product Specifications Description CISCO MAC NOTIFICATION MIB CISCO MEMORY POOL MIB CISCO PAGP MIB CISCO PING MIB CISCO PROCESS MIB CISCO PRODUCTS MIB CISCO RTTMON MIB CISCO SMI CISCO STACKMAKER MIB CISCO STP EXTENSIONS MIB CISCO SYSLOG MIB CISCO TC CISCO TCP MIB CISCO VLAN MEM BERSHIP MIB CISCO VTP MIB ENTITY MIB IANAifType MIB IF MIB RFC 1573 OLD CISCO CHASSIS MIB OLD CISCO CPU MIB OLD CISCO INTERFACES MIB OLD CISCO IP MIB OLD CISCO M EM ORY MIB OLD CISCO SYSTEM MIB OLD CISCO TCP MIB OLD CISCO TS MIB RFC1213 MIB MIB II RFC1398 MIB ETHERNET MIB RMON MIB RFC 1757 RS 232 MIB SNMPv2 MIB SNMPv2 SMI SNMPv2 TC TCP MIB UDP MIB Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 11 of 16 Table 2 Product Specifications Description Standards IEEE 802 1x support
3. IEEE 802 1w Rapid Spanning Tree Protocol RSTP IEEE 802 1s Multiple Spanning Tree Protocol MSTP IEEE 802 3x full duplex on 10BASE T 100BASE TX and 1000BASE T ports IEEE 802 1D Spanning Tree Protocol IEEE 802 1p CoS prioritization IEEE 802 1Q VLAN IEEE 802 3 10BASE T specification IEEE 802 3u 100BASE TX specification e IEEE 802 3ab 1000BASE T specification IEEE 802 3ad Link Aggregation Control Protocol LACP IEEE 802 3ah Ethernet in the First Mile EFM e RMON and II standards SNMPv1 SNMPv2c and SNM Connectors and cabling 10BASE T 100BASE TX ports RJ 45 connectors four pair Category 5 UTP cabling 1000BASE T ports RJ 45 connectors four pair Category 5 UTP cabling 100BASE FX ports MT RJ connectors 50 125 or 62 5 125 micron multimode fiber optic cabling 100BASE LX ports LC connectors 50 125 or 62 5 125 micron single mode fiber optic cabling Management console port Eight pin RJ 45 to DB9 rollover cable for PC connections MT RJ patch cables for Cisco Type of cable Cisco part number Catalyst 2955 e One meter MT RJ to SC multimode cable SC MM 1M Three meter MT RJ to SC multimode cable CAB MTRJ SC MM 3M Five meter MT RJ to SC multimode cable CAB MTRJ SC MM 5M One meter MT RJ to ST multimode cable CAB MTRJ ST MM 1M Three meter MT RJ to ST multimode cable CAB MTRJ ST MM 3M e Five meter MT RJ to ST multimode cable CAB MTRJ ST MM 5M T
4. always follow an expedited path through the switch fabric The switch supports up to six policers per Fast Ethernet port and up to 60 policers ona Gigabit Ethernet port The switch offers granularity of traffic flows at 1 Mbps on Fast Ethernet ports and 8 Mbps on Gigabit Ethernet ports The switch offers the ability to limit data flows based on MAC source or destination address IP source or destination address TCP UDP port numbers or any combination of these fields The switch offers the ability to manage data flows asynchronously upstream and downstream from the end station or on the uplink Management Superior manageability An embedded Remote Monitoring RMON software agent supports four RMON groups history statistics alarms and events for enhanced traffic management monitoring and analysis The switch supports all nine RMON groups through the use of a Cisco SwitchProbe Analyzer Switched Port Analyzer SPAN port permitting traffic monitoring of a single port a group of ports or the entire switch from a single network analyzer or RMON probe A SPAN port monitors traffic of a single port from a single network analyzer or RMON probe Remote SPAN RSPAN allows network administrators to locally monitor ports in a Layer 2 switch network from any other switch in the same network The Domain Name System DNS provides IP address resolution with user defined device names Trivial File Transfer Protocol TFTP redu
5. the user is connected 802 1x with voice VLAN gives an IP phone access to the voice VLAN regardless of the authorized or unauthorized state of the port 802 1x with port security authenticates the port and manages network access for all MAC addresses including the clients SSH and SNMPv3 provide network security by encrypting administrator traffic during Telnet and SNMP sessions Port security secures the access to a port based on the MAC address of a user s device The aging feature removes the MAC address from the switch after a specific timeframe to allow another device to connect to the same port MAC address notification allows administrators to be notified of new users added or removed from the network Spanning tree root guard STRG prevents edge devices not in the network administrator s control from becoming Spanning Tree Protocol root nodes The Spanning Tree Protocol PortFast bridge protocol data unit BPDU guard feature disables access ports with Spanning Tree Protocol PortFast enabled upon reception of a BPDU and increases network reliability manageability and security Multilevel console access security prevents unauthorized users from altering the switch configuration TACACS and RADIUS authentication enables centralized control of the switch and restricts unauthorized users from altering the configuration The user selectable address learning mode simplifies configuration and enhances security Trusted Boundary provi
6. 0 100 and 1000BASE T environments Autonegotiating on all ports automatically selects half or full duplex transmission mode to optimize bandwidth Cisco VTP supports dynamic VLANs and dynamic trunk configuration across all switches DTP enables dynamic trunk configuration across all ports in the switch PAgP automates the creation of Cisco Fast EtherChannel or Gigabit EtherChannel groups enabling linking to another switch router or server Link Aggregation Control Protocol LACP allows the creation of Ethernet channeling with devices that conform to IEEE 802 3ad This is similar to Cisco EtherChannel and PAgP The default configuration stored in Flash ensures that the switch can be quickly connected to the network and can pass traffic with minimal user intervention Table 2 Product Specifications Feature Description 13 6 Gbps switching fabric Cisco Catalyst 2955T 12 6 4 Gbps maximum forwarding bandwidth Cisco Catalyst 2955C 12 2 8 Gbps maximum forwarding bandwidth Cisco Catalyst 2955S 12 2 8 Gbps maximum forwarding bandwidth Forwarding rates based on 64 byte packets Cisco Catalyst 2955T 12 4 8 Mpps wire speed forwarding rate Cisco Catalyst 2955C 12 2 0 Mpps wire speed forwarding rate Cisco Catalyst 2955S 12 2 0 Mpps wire speed forwarding rate 8MB memory architecture shared by all ports Upto 32MB SDRAM and 16 MB Flash memory Configurable up to 8000 MAC addresses BRIDGE MIB CISCO
7. 240V switchable 47 63 Hz Input current lt L3A switch in 115V position Input current lt 0 7A switch in 230V position Output voltage 24 VDC 4596 1 Size WxHxD 192 4 92 4 05 50x125x103 mm Weight 116 4609 Worldwide approvals UL EN CSA and CB Overload protection Over 15 times normal current Cooling Normal convection cooling Temperature range 259 to 85 C storage 10 to 4609C operating Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 14 of 16 Service and Support The service and support programs described in Table 3 are available as part of the Cisco Desktop Switching Service and Support solution and are available directly from Cisco and through resellers Table 3 Cisco Service and Support Programs Service and Support Features Benefits Advanced Services Total Implementation Solutions Project management Supplements existing staff TIS available direct from Cisco Site survey and configuration Ensures that functionality meets deployment customer needs Packaged Total Implementation Installation text and cutover Mitigates risk Solutions Packaged TIS available Training through resellers Major moves adds or changes Design review and product staging Technical Support Services Cisco SMARTnet and SMARTnet 24x 7 access to so
8. Cisco SYSTEMS Cisco Catalyst 2955 Series Switches Product Overview Cisco Catalyst 2955 Series switches are industrial grade switching products that provide wire speed Fast Ethernet and Gigabit Ethernet connectivity for deployment in harsh environments The Cisco Catalyst 2955 Series operates in environments such as industrial networking solutions industrial Ethernet deployments intelligent transportation systems ITS and transportation network solutions It integrates into military equipment Supervisory Control and Data Acquisition SCADA systems power generation systems waste water treatment facilities building automation systems warehouses and any other facilities or applications where the environmental conditions or suspended solid concentrations exceed the specifications of other commercial switching products The Cisco Catalyst 2955 Series uses industrial grade components a compact form factor convection cooling and relay output signaling to extend intelligent services such as enhanced security high availability and advanced quality of service Q oS to areas that cannot be served by traditional commercial grade Ethernet switches Embedded in Cisco Catalyst 2955 Series switches is Cisco Cluster M anagement Suite CM S Software This network management solution allows administrators to easily configure features monitor performance and troubleshoot multiple Cisco Catalyst Cisco Systems Inc Page lof
9. Jose CA 95134 1706 168 Robinson Road USA 1101 CH Amsterdam USA 22 01 to 29 01 www cisco com The N etherlands www cisco com Singapore 068912 408 526 4000 Www europe cisco com Tel 408 526 7660 www cisco com 800 553 N ETS 6387 Tel 310 20 357 1000 Fax 408 527 0883 Tel 65 6317 7777 Fax 408 526 4100 Fax 310 20 357 1100 Fax 65 6317 7799 Cisco Systems has more than 200 offices in the following countries and regions Addresses phone numbers and fax numbers are listed on the Cisco Web site at www cisco com go offices Argentina Australia Austria Belgium Brazil Bulgaria Canada Chile China PRC Colombia Costa Rica Croatia Czech Republic Denmark Dubai UAE Finland France Germany Greece Hong Kong SAR Hungary India Indonesia Ireland Israel Italy Japan Korea Luxembourg Malaysia Mexico TheNetherlands New Zealand Norway Peru Philippines Poland Portugal Puerto Rico Romania Russia Saudi Arabia Scotland Singapore Slovakia Slovenia South Africa Spain Sweden Switzerland Taiwan Thailand Turkey Ukraine United Kingdom United States Venezuela Vietnam Zimbabwe All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Aironet Catalyst Cisco Cisco 10S Cisco Systems the Cisco Systems logo EtherChannel SM ARTnet and SwitchProbe are registered trademarks of Cisco Systems Inc and or its affiliates in the U S and certain other cou
10. ails of the technology Cisco CM S Software supports standards based connectivity options such as Ethernet Fast Ethernet Fast EtherChannel Gigabit Ethernet and Gigabit EtherChannel connectivity Because Cisco switch clustering technology is not limited to a single stack of switches Cisco CM S Software expands the traditional cluster domain beyond a single wiring closet saving time and effort for network administrators Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 4 of 16 Cisco Catalyst 2955 switches can be configured either as command or member switches in a Cisco switch cluster Cisco CM S also allows users to designate a switch as a standby or redundant command which takes the commander duties if the primary command switch fails Other key features include the ability to configure multiple ports and switches simultaneously to perform software updates across the entire cluster at once and to clone configurations to other clustered switches for rapid network deployments Bandwidth graphs and link reports provide useful diagnostic information and the topology map gives network administrators a quick view of the network status In addition to Cisco CM S Cisco Catalyst 2955 Series switches provide extensive management tools using SN M P platforms such as CiscoWorks for Switched Internetworks Cisco Catalyst 2955 Series switch
11. and Privacy Statement Intelligence in the New Ethernet Networks Currently non Ethernet Layer 2 networks are evolving from traditional fieldbuses or proprietary technologies to standards based Ethernet networks The progression to Ethernet is driven by a multitude of factors including Standardization T here are hundreds of millions of Ethernet devices around the world Ethernet has become the prevalent Layer 2 technology based on widely adopted standards P Connectivity Ethernet is the most ubiquitous Layer 2 technology for Internet connectivity in turn providing unprecedented communications potential to networks that have been traditionally isolated Bandwidth rders of magnitude above other existing technologies Ethernet takes advantage of the increased computational power of the new network hosts 1 0 devices motion machinery sensors intelligent electronic devices etc being deployed today This allows for real time control and data gathering for a multitude of applications that were not previously feasible including preventive maintenance total quality control monitoring remote monitoring and asset management and optimization Multipleservices a single infrastructure Intelligent Ethernet allows a single network to carry multiple vendor implementations of control Ethernet IP M odbus T CP Foundation Fieldbus High Speed Ethernet H SE and various Advanced Traffic M anagement Systems AT M S and to us
12. by limiting access based on MAC addresses For authentication of users with a Terminal Access Controller Access Control System TACACS or RADIUS server 802 1x provides port level security 802 1x in conjunction with aRADIUS server allows for dynamic port based user authentication 802 1x based user authentication can be extended to dynamically assign a virtual LAN VLAN based on a specific user regardless of where that user connects on the network T his intelligent adaptability provides greater flexibility and mobility to the network s stratified user populations By combining access control and user profiles with secure network connectivity services and applications customers can more effectively manage user mobility and drastically reduce the overhead associated with granting and managing access to network resources With multilayer Cisco Catalyst 2955 Series switches network managers can implement high levels of console security M ultilevel access security on the switch console and a Web based management interface prevent unauthorized users from accessing or altering switch configurations TACACS or RADIUS authentication enable centralized access control of the switch and restrict unauthorized users from altering the configuration Deploying security can be done through Cisco CM S Software Security Wizards which ease the deployment of security features that restrict user access to a server a portion of the network or the entire network N
13. ces the cost of administering software upgrades by downloading from a centralized location Network Timing Protocol NTP provides an accurate and consistent timestamp to all switches within the intranet Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 8 of 16 Table 1 Product Features and Benefits Benefit Layer 2 traceroute eases troubleshooting by identifying the physical path that a packet takes from the source device to a destination device Crash Information Support enables the switch to generate a crash file for improved troubleshooting Show Interface Capabilities provides information on the configuration capabilities of any interface RTTMON MIB allows users to monitor network performance between a Cisco Catalyst switch and a remote device Multifunction LEDs per port for port status half duplex full duplex 10 5 100 5 1000BASE T indication and switch level status LEDs for system redundant power supply and bandwidth usage provide a comprehensive and convenient visual management system Cisco CMS Cisco CMS Software allows the user to manage up to 16 interconnected Cisco Catalyst 3550 2950 29505 2955 3500 XL 2900 XL and 2900 LRE XL switches without the limitation of being physically located in the same wiring closet and with the option of using a single IP address for the enti
14. d mean time between WS C2955T 235 022 hours failure MTBF WS C2955C 206 378 hours e WS C2955S 205 115 hours Telcordia SR 332 Gf Fiber port specifications 100BASE FX MT RJ connectors 9 1 300 nm Optical receiver sensitivity 30 dBm Optical transmitter power 19 to 14 dBm Maximum distance 2 km 100BASE LX LC connectors 9 1 300 nm Optical receiver sensitivity 38 to 31 dBm Optical transmitter power 15 to 8 dBm Maximum distance 15 km Regulatory Agency Approvals Safety certifications CE Marking UL 60950 CSA 22 2 60950 TUV GS CB Report to IEC 60950 UL 508 CSA 222 142 AS NZS 3260 NOM Hazardous locations e UL 1604 Class Div 2 Group A B C D e CSA 22 2 213 Class 1 Div 2 Group A B C D EN 50021 Class I Zone 2 Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 13 of 16 Table 2 Product Specifications Description Electromagnetic emissions FCC Part 15 Class A certifications e ICES 003 Class A EN 55022 CISPR22 Class A EN 55024 CISPR24 VCCI Class A AS NZS CISPR 22 Class A VCCI Class 1 CE Marking CNS 13438 BSMI Class A MIC Class A EN 61131 2 EN 55011 CISPR 11 Class A ITS NEMA TS 2 Warranty Limited five year warranty Extemal DIN Rail Mountable Power Supply Input voltage AC100 120 220
15. des the ability to trust the QoS priority settings if a Cisco IP phone is present and to disable the trust setting if the IP phone is removed preventing a rogue user from overriding prioritization policies in the network IGMP Filtering provides multicast authentication by filtering out nonsubscribers and limits the number of concurrent multicast streams available per port Support for dynamic VLAN assignment through implementation of VLAN Membership Policy Server VMPS client functionality provides flexibility in assigning ports to VLANs Dynamic VLAN enables fast assignment of IP addresses Cisco CMS Software Security Wizards ease the deployment of security features for restricting user access to a server a portion of the network or the entire network The switches support the aggregate QoS model by enabling classification policing metering and marking functions on a per port basis at ingress and queuing scheduling functions at egress The switches support configuring QoS ACPs on all ports using ACPs to ensure proper policing and marking on a per packet basis Up to four ACPs per switch are supported in configuring either QoS ACPs or security filters Automatic QoS Auto QoS greatly simplifies the configuration of QoS in voice over IP VoIP networks by issuing interface and global switch commands that allow the detection of Cisco IP phones the classification of traffic and egress queue configuration Cisco Systems Inc A
16. es deliver a comprehensive set of management tools to provide the required visibility and control in the network M anaged with CiscoWorks Cisco Catalyst switches can be configured and managed to deliver end to end device VLAN traffic and policy management Coupled with CiscoWorks Cisco Resource M anager Essentials a Web based management tool offers automated inventory collection software deployment easy tracking of network changes views into device availability and quick isolation of error conditions Enhanced Hardware Features The Cisco Catalyst 2955 Switch has been designed for deployment in harsh environments T hrough the use of special thermal design techniques and industrial rated components the Cisco Catalyst 2955 is rated to operate at extreme temperatures 40 to 60 C 40 to 140 F Robust mechanical specifications allow for its deployment as a mobile platform and under extreme vibration and shock environments 50G trapezoidal shock pulse The compact form factor DIN rail mounting and dual cabling orientations facilitate its deployment into industrial enclosures traffic control cabinets and transportation vehicles Two normally open relays can be associated with the different port alarms power alarms and high temperature conditions to send an output signal to other external mechanisms visible or audible alarms for example Is or PLCs for a controlled shutdown Dual power inputs provide for optional redundant power suppl
17. ethe same investment to also deliver traditional voice telephony data e mail technical support and browsing and video services video monitoring Multilayer integration All of the elements described above allow for the integration of higher level applications such as enterprise resource planning ER P manufacturing execution systems M ES and advanced traffic management systems to the floor control layer programmable logic controllers PL Cs PC based control systems traffic control equipment and human machine interfaces M Is This allows for a true flow of data and automation from the demand side customer placing and order to the factory floor assembly line or from the monitoring devices in a freeway all the way to the emergency response systems as well as real time control in SCADA applications As organizations increasingly rely on Ethernet networks it is important to ensure high availability security scalability and control By adding Cisco IO S Software functionality to new network applications users can now deploy network wide intelligent services that address these requirements in a consistent way from the I O or monitoring device to the core and through the WAN Network Security through Advanced Security Features Cisco Catalyst 2955 Series switches offer enhanced data security through numerous security features T hese features allow customers to enhance network security with capabilities to secure traffic t
18. etwork Control through Advanced QoS and Rate Limiting Cisco Catalyst 2955 Series switches offer superior and highly granular Q oS based on Layers 2 4 information to help ensure that network traffic is classified and prioritized and that congestion is avoided in the best possible manner These switches can classify reclassify police determine if the packet is in or out of predetermined profiles and affect actions on the packet and mark or drop theincoming packets beforethe packet is placed in the shared buffer Packet classification allows the network elements to discriminate between various traffic flows and to enforce rate limiting policies based on Layer 2 and Layer 3 QoS fields To implement Q 0S these switches first identify traffic flows or packet groups T hey classify or reclassify these groups using the DSCP field in the IP packet and or the 802 1p class of service CoS field in the Ethernet packet Classification and reclassification can also be based on criteria as specific as the source or destination IP address source or destination M AC address or the Layer 4 TCP UDP ports At the ingress incoming port level Cisco Catalyst 2955 Series switches can also perform policing and marking of the packet After the packet goes through classification policing and marking it is assigned to the appropriate queue before exiting the switch Cisco Catalyst 2955 Series switches support four egress outgoing port queues per port allowing the
19. ftware updates Enables proactive or expedited Onsite available direct from Cisco Web access to technical issue resolution repositories Lowers cost of ownership by using Packaged SMARTnet available Telephone support through the Cisco expertise and knowledge through resellers Technical Assistance Center Minimizes network downtime Advance replacement of hardware parts Table 4 Ordering Information Model Numbers Configuration WS C2955T 12 Twelve 10 100 ports and two 10 100 1000BASE T ports WS C2955C 12 Twelve 10 100 ports and two 100BASE FX ports WS C2955S 12 Twelve 10 100 ports and two 100BASE LX ports PWR 2955 AC DIN Rail mountable 24V power supply 85 to 264 VAC input STK RACKMNT 2955 DIN Rail Adapter for 19 rack mounting For More Information on Cisco Products United States and Canada 800 553 NETS 6387 Europe 32 2 778 4242 Australia 612 9935 4107 Other 408 526 7209 http www cisco com Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 15 of 16 Cisco SYSTEMS Corporate H eadquarters European H eadquarters Americas H eadquarters Asia Pacific H eadquarters Cisco Systems Inc Cisco Systems International BV Cisco Systems Inc Cisco Systems Inc 170 West Tasman Drive H aarlerbergpark 170 West Tasman Drive Capital Tower San Jose CA 95134 1706 H aarlerbergweg 13 19 San
20. his condition is avoided by ensuring that the control traffic is properly classified and prioritized throughout the network ther applications such as Web browsing can be treated as low priority and handled on a best efforts basis Cisco Catalyst 2955 Series switches allocate bandwidth based on several criteria including MAC source address M AC destination address IP source address IP destination address and TCP UDP port number Bandwidth allocation is essential in network environments that require service level agreements or when it is necessary for the network manager to control the bandwidth given to certain users Cisco Catalyst 2955 Series switches support up to six policers per Fast Ethernet port and up to 60 policers on a Gigabit Ethernet port This gives the network administrator granular control of the network bandwidth Network Availability To provide efficient use of resources for bandwidth hungry applications like multicasts common in producer consumer data distribution models Cisco Catalyst 2955 Series intelligent switches support Internet Group M anagement Protocol IGM P snooping in hardware Through the support and configuration of IGM P snooping via Cisco CM S Software Cisco Catalyst 2955 Series switches deliver outstanding performance and ease of use in administering and managing multicast applications on the LAN ThelGM P snooping feature allows the switch to listen in on thelGM P conversation between hosts When a s
21. hnology and up to 16 Gbps eight ports full duplex through Fast EtherChannel technology enhances fault tolerance and offers higher speed aggregated bandwidth between switches to routers and individual servers Port Aggregation Protocol PAgP is available to simplify configuration Per port broadcast multicast and unicast storm control prevents faulty end stations from degrading overall system performance PVST and IEEE 802 15 Multiple Spanning Tree Protocol MSTP allow for Layer 2 load sharing on redundant links to efficiently use the extra capacity inherent in a redundant design VLAN Trunking Protocol VTP pruning limits bandwidth consumption on VTP trunks by flooding broadcast traffic only on trunk links required to reach the destination devices Dynamic Trunking Protocol DTP enables dynamic trunk configuration across all ports on the switch IGMP snooping provides for fast client joins and leaves of multicast streams and limits bandwidth intensive video traffic to only the requestors Multicast VLAN Registration MVR IGMP filtering fast join and immediate leave are available as enhancements MVR continuously sends multicast streams in a multicast VLAN while isolating the streams from subscriber VLANs for bandwidth and security reasons Supports additional frame formats Ethernet II tagged and untagged 802 3 SNAP encapsulated tagged and untagged frames Security Network wide security features Filtering of inc
22. hrough the protection of passwords and configuration information to provide options for network security based on users ports and M edia Access Control M AC addresses and to enable more immediate reactions to intruder and hacker detection Secure Shell SSH Protocol and SN M Pv3 protect information from tampering or eavesdropping by encrypting information being passed along the network thereby guarding administrative information Private VLAN Edge isolates ports on a switch ensuring that traffic travels directly from the entry point to the aggregation devicethrough a virtual path and cannot be directed to another port Port based access control parameters CPs restrict sensitive portions of the network by denying packets based source and destination M AC addresses IP addresses or Transmission Control Protocol User Datagram Protocol TCP UDP ports ACP lookups are done in hardware so forwarding performance is not compromised when implementing this type of security in the network In addition time based AC Ps allow configuration of differentiated Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 2 of 16 services based on time periods ACPs can also be applied to filter traffic based on differentiated services code point DSCP values Port security provides another means to ensure that appropriate users the network
23. ies guaranteeing an even higher level of resiliency and reliability Figure 1 Cisco Catalyst 2955 Series Switches Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 5 of 16 Table 1 Product Features and Benefits Feature Availability Superior redundancy for fault backup Benefit IEEE 802 1D Spanning Tree Protocol support for redundant backbone connections and loop free networks simplifies network configuration and improves fault tolerance Support for Cisco Spanning Tree Protocol enhancements such as UplinkFast BackboneFast and PortFast technologies ensures quick failover recovery enhancing overall network stability and availability IEEE 802 1w Rapid Spanning Tree Protocol RSTP provides rapid convergence of the spanning tree independent of spanning tree timers The command switch redundancy enabled in Cisco CMS Software allows customers to designate a backup command switch that takes over cluster management functions if the primary command switch fails Provides unidirectional link detection UDLD and Aggressive UDLD for detecting and disabling unidirectional links on fiber optic interfaces caused by incorrect fiber optic wiring or port faults Integrated Cisco lOS Software features for bandwidth optimization Bandwidth aggregation of up to 4 Gbps two ports full duplex through Cisco Gigabit EtherChannel tec
24. ll contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 7 of 16 Table 1 Product Features and Benefits QoS metering policing at ingress Benefit Support for metering policing of incoming packets restricts incoming traffic flows to a certain rate The switches support up to six policers per Fast Ethernet port and 60 policers on a Gigabit Ethernet port The switches offer granularity of traffic flows at 1 Mbps on Fast Ethernet ports and 8 Mbps on Gigabit Ethernet ports QoS marking at ingress The switches support marking and remarking packets based on the state of policers meters The switches support marking and remarking based on the following mappings from DSCP to 802 1p and from 802 1p to DSCP The switches support 14 well known and widely used DSCP values The switches support classifying or reclassifying packets based on the default DSCP per port and support classification based on DSCP values in the ACL The switches support classifying or reclassifying frames based on the default 802 1p value per port The switches support 802 1p override at ingress QoS scheduling support at egress Sophisticated traffic management Four queues per egress port are supported in hardware The WRR queuing algorithm ensures that low priority queues are not starved Strict Priority Scheduling ensures that time sensitive applications such as voice
25. network administrator to be more discriminating and specific in assigning priorities for the various applications on the network At the egress level the switch performs scheduling an algorithm that determines the order in which the queues are processed T he switches support Weighted Round Robin scheduling strict priority queuing or strict priority scheduling The WRR scheduling algorithm ensures that lower priority packets are not entirely starved for bandwidth and are serviced without compromising the priority settings administered by the network manager Strict priority scheduling ensures that higher priority packets will always get serviced first ahead of other traffic in lower priority queues These features allow for prioritization of mission critical such as motion control traffic critical 1 0 or sensor data video monitoring of security areas over voice IP telephony traffic ERP Oracle SAP etc and CAD CAM which in turn would be scheduled to have precedence over less time sensitive applications such as or email SM TP Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 3 of 16 For example it would be highly undesirable to have a large file download destined to one port on a switch and have quality implications such as increased latency in industrial control traffic destined to another port on the switch T
26. ntries All other trademarks mentioned in this document or Web site are the property of their respective owners The use of the word partner does not imply a partnership relationship between Cisco and any other company 0304R WH LW4111 0403
27. oming traffic flows based on Layer 2 Layer 3 or Layer 4 ACPs prevents unauthorized data flows The following Layer 2 ACPs or a combination can be used for security classification of incoming packets source MAC address destination MAC address and 16 bit Ethertype The following Layer 3 and Layer 4 fields or a combination can be used for security classification of incoming packets source IP address destination IP address TCP source or destination port number UDP source or destination port number ACPs can also be used to filter based on DSCP values Time based ACPs allow configuration of differentiated services based on time periods Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 6 of 16 Table 1 Product Features and Benefits Feature Overview Benefit A private VLAN edge provides security and isolation between ports on a switch ensuring that voice traffic travels directly from its entry point to the aggregation device through a virtual path and cannot be directed to a different port Support for the 802 1x standard allows users to be authenticated regardless of which LAN port they are accessing and provides unique benefits to customers who have a large base of mobile wireless users accessing the network 802 1x with VLAN assignment allows a dynamic VLAN assignment for a specific user regardless of where
28. ows users to modify polling intervals table views and other settings within Cisco CMS and to retain these settings the next time they use Cisco CMS Alarm notification provides automated e mail notification of network errors and alarm thresholds Support for CiscoWorks Manageable through CiscoWorks network management software on a per port and per switch basis providing a common management interface for Cisco routers switches and hubs 5 v2 and v3 non crypto and Telnet interface support deliver comprehensive in band management and a CLI based management console provides detailed out of band management Cisco Discovery Protocol versions 1 and 2 enable a CiscoWorks network management station to automatically discover the switch in a network topology CiscoWorks is supported by the CiscoWorks 2000 LAN Management Solution Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 9 of 16 Table 1 Product Features and Benefits Benefit Ease of use and Autoconfiguration eases the deployment of switches in the network by automatically ease of deployment configuring multiple switches across a network via a boot server Autosensing on each Ethernet port detects the speed of the attached device and automatically configures the port for 10 100 or 1000 M bps operation easing the deployment of the switch in mixed 1
29. re cluster if desired Full backward compatibility ensures that any combination of the above switches can be managed with a Cisco Catalyst 2955 Series Switch Cisco AVVID Architecture for Voice Video and Integrated Data wizards use just a few user inputs to automatically configure the switch to optimally handle different types of traffic voice video multicast or high priority data A security wizard is provided to restrict unauthorized access to servers and networks and to restrict certain applications on the network One click software upgrades can be performed across the entire cluster simultaneously and configuration cloning enables rapid deployment of networks Cisco CMS Software has been extended to include multilayer feature configurations such as ACPs and QoS parameters Cisco CMS Guide Mode assists users in the configuration of powerful advanced features by providing step by step instructions Cisco CMS provides enhanced online help for context sensitive assistance An easy to use graphical user interface provides both a topology map and a front panel view of the cluster Multidevice and multiport configuration capabilities allow network administrators to save time by configuring features across multiple switches and ports simultaneously Cisco CMS offers the ability to launch the Web based management for a Cisco Aironet Wireless Access Point by simply clicking on its icon in the topology map A user personalized interface all
30. witch hears an IGM P join request from a host for a given multicast group the switch adds the host s port number to the group destination address GDA list for that group W hen the switch hears an IGM P leave request it removes the host s port from the Content A ddressable M emory CAM table entry Per VLAN Spanning Tree Plus PVST allows users to implement redundant uplinks while distributing traffic loads across multiple links This is not possible with standard Spanning Tree Protocol implementations Cisco UplinkFast technology ensures immediate transfer to the secondary uplink a vast improvement over the traditional 30 to 60 second convergence time Network Management Cisco CM S Softwareis Web based and embedded in Cisco Catalyst 2955 2950 3550 3500 XL 2900 XL and 2900 LRE XL switches Through Cisco switch clustering technology users can access Cisco CM S Software with any standard Web browser to manage up to 16 of these switches at once regardless of their geographic proximity with the option of using a single IP address for the entire cluster if desired Cisco CM S provides integrated management interface for delivering intelligent services such as multilayer switching QoS multicast and security access control lists ACLs Cisco CM S allows administrators to take advantage of benefits formerly reserved for only the most advanced networks without having to learn the command line interface CLI or even the det
31. wo meter LC to SC single mode cable CAB CP LCS C 2M Indicators e Per port status LEDs Link integrity disabled activity and indications Dual power supply indicators Major and minor alarm relay indicators Dimensions and weight HxWxD 3 78x8 07x5 03 in 9 60x20 50x12 78 cm Connectors facing forward 5 03x8 07x3 78 in 12 78x20 50x9 60 cm Connectors facing downward 3 0 Ib 14 kg Relay contacts Surge withstand between open contacts 1500V FCC Part 68 Surge withstand between contact and coil 2500V Bellcore Maximum switching capacity 1A 9 30 VDC Maximum switching voltage 3A 125 VAC Cisco Systems Inc All contents are Copyright 1992 2003 Cisco Systems Inc All rights reserved Important Notices and Privacy Statement Page 12 of 16 Table 2 Product Specifications Description Environmental ranges Recommended operating temperature range 40 to HOF 40 to 60 C Recommended storage temperature range 40 to B5 F 40 to 85 C Operating relative humidity 10 to 9596 noncondensing Operating altitude 9843 ft 3000 m 104 F 40 C Storage altitude Up to 29 500 ft 9000 m Shock 50 g trapezoidal shock meets or exceeds ASTM D3332 Vibration 500 Hz meets or exceeds MIL STD 810 M ethod 514 4 Power requirements External 24V dual redundant DC input screw down connectors Power consumption 23W maximum 78 53 BTU hour 18V minimum 32V maximum Predicte
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