Cisco Catalyst 2940 Cable Guard
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1. No The Cisco Catalyst 2940 Series does not have a stacking interface and does not support the Cisco GigaStack gigabit interface converter GBIC Q Do Cisco Catalyst 2940 Series Switches have redundant power supply RPS support A No In order to minimize the cost and size of the Cisco Catalyst 2940 Series there is no support for power supply redundancy Q Can the 100 FX and 1000BASE X Small Form Factor Pluggables SFPs be used concurrently on the Cisco Catalyst 2940 8TF A No Only one uplink can be used at a time If no SFP is inserted the switch will use the 100 FX port for the uplink If an SFP is inserted the switch will use the 1OOOBASE X uplink Q What SFPs are supported on the Cisco Catalyst 2940 Series A Cisco Catalyst 2940 Series Switches support Cisco 1000BASE LX LH 1000BASE SX 1000BASE T 1000BASE ZX and CWDM SFPs Do Cisco Catalyst 2940 Series Switches interoperate with SFPs from other vendors Po No Like other Cisco switches and routers Cisco Catalyst 2940 Series Switches do not interoperate with other vendors SFPs What type of fiber connectors are supported on the Cisco Catalyst 2940 8TF Switch The Cisco Catalyst 2940 8TF supports an MT RJ connector for the 100BASE FX port and an LC connector for the SFP port For customers that use SC or ST connectors MT RJ to SC and MT RJ to ST fiber patch cables and LC to SC fiber patch cables are available from Cisco Po SECURITY Q How can I manage the2. usernames and passwords for switches A Rather than configuring the usernames and passwords of network administrators on every switch the Cisco Catalyst 2940 Series supports both RADIUS and TACACS authentication servers Every time network administrators attempt to configure or monitor a switch they will be prompted to enter their username and password In large networks it is more efficient to store the username and password information on a centralized RADIUS or TACACS server instead of on every switch In addition different network All contents are Copyright 1992 2006 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 2 of 6 gt gt administrators or technicians can be provided different levels of authorization ranging from full configuration capabilities to just read only capability How can I prevent unauthorized users from accessing my network The Cisco Catalyst 2940 Series supports the IEEE 802 1x standard that works in conjunction with a RADIUS server to authenticate users as they access a network This provides port level security and prevents unauthorized users or intruders from accessing the network Cisco s port security helps ensure the appropriate PC is on the network by limiting access to the port based on the MAC address How can I prevent users from snooping on their neighbors traffic The Cisco Private VLAN PVLAN Edge feature isolates access ports so that user
3. Cisc Q amp A 0 SYSTEMS Cisco Catalyst 2940 Series Switches PRODUCT OVERVIEW Q A What is the Cisco Catalyst 2940 Series Cisco Catalyst 2940 Series Switches are small standalone managed switches with eight Fast Ethernet ports and a single integrated Fast Ethernet or Gigabit Ethernet uplink The switches are designed to be used outside the wiring closet in the end user workspace and feature a durable metal shell no fan for silent operation easy mounting on a wall or under a desk a security lock slot to prevent theft and an available cable guard to secure the Ethernet cables and switch The Cisco Catalyst 2940 Series consists of configurations and accessories listed in Table 1 Table 1 Cisco Catalyst 2940 Series Configurations and Accessories Product Name Part Number Description Cisco Catalyst 2940 8TF Switch WS C2940 8TF S e 8 10 100 ports and 1 combination 100 FX or 1000BASE X Small Form Factor Pluggable SFP port e Small size no fan durable metal shell magnet Intelligent services delivered to the network edge Cisco Catalyst 2940 8TT Switch WS C2940 8TT S 8 10 100 ports and 1 10 100 1000 port e Small size no fan durable metal shell magnet e Intelligent services delivered to the network edge Cisco Catalyst 2940 Cable Guard CABLEGUARD C2940 Helps prevent switch theft and tampering with or removal of Ethernet cables Cisco Catalyst 2940 Rack Mount RACKMOUNT C2940 Allo
4. d configuration and stackable Cisco Catalyst switches at no additional cost For the life of the product updates within the Cisco IOS Software package purchased LAN Base IP Base IP Services etc will be made available to customers The Cisco Catalyst series that apply are as follows e Cisco Catalyst Express 500 Series Switches e Cisco Catalyst 2900 XL Series Switches e Cisco Catalyst 2940 Series Switches e Cisco Catalyst 2948G GE TX Series Switch e Cisco Catalyst 2950 Series Switches e Cisco Catalyst 2950 LRE Series Switches e Cisco Catalyst 2955 Series Switches e Cisco Catalyst 2960 Series Switches e Cisco Catalyst 2970 Series Switches e Cisco Catalyst 3500 XL Series Switches e Cisco Catalyst 3550 Series Switches e Cisco Catalyst 3560 Series Switches e Cisco Catalyst 3750 Series Switches e Cisco ME 2400 Series Switches e Cisco ME 3400 Series Switches Note upgrades are different from updates For example an upgrade from the IP Base Package to IP Services Package provides significant new function therefore this upgrade requires the purchase of a software license upgrade Updates are incremental software features and bug fixes that are released within a licensed Cisco IOS Software package This statement supersedes any previous warranty or software statement and is subject to change without notice All contents are Copyright 1992 2006 Cisco Systems Inc All rights reserved This document is Cisco Public Information Pa
5. ent is Cisco Public Information Page 3 of 6 Note The switch should not be connected to the network when in Express Setup mode because a Dynamic Host Control Protocol DHCP server is activated in the switch this can cause IP address conflicts Q After I have used Express Setup can I disable this feature to prevent others from using the Mode button to enter Express Setup mode A Yes There is a command to disable Express Setup Q Does Cisco Network Assistant support the Cisco Catalyst 2940 Series A Yes Cisco Catalyst 2940 Series Switches can be managed using Cisco Network Assistant Cisco Network Assistant is a PC based network management application that offers centralized management and configuration of Cisco switches and other Cisco devices such as routers and wireless access points With Cisco Network Assistant in addition to configuring multiple switches at a time network administrators can configure Cisco wireless access points and invoke the device manager on Cisco routers and access points Software upgrades on Cisco switches routers and wireless access points are as easy as a drag and drop process Cisco Network Assistant is available at no cost and can be downloaded from http www cisco com go cna SOFTWARE UPDATES Q For which fixed configuration and stackable Cisco Catalyst series can I obtain a no additional cost Cisco IOS software update A Cisco offers ongoing Cisco IOS Software updates for certain fixe
6. ge 4 of 6 Q How do I get a no additional cost Cisco IOS Software update for my fixed configuration or stackable Cisco Catalyst switch A Customers that own a software license for any of the eligible fixed configuration or stackable Cisco Catalyst series may obtain a software update at Cisco com Visit http tools cisco com support downloads pub MDFTree x butype switches or from http www cisco com click on Downloads and select Switch Software Downloading software requires a Cisco com username and password If you do not have a Cisco com username you can obtain one by clicking on Register at the top of any Cisco com Webpage http tools cisco com RPF register register do WARRANTY AND SERVICE Q What is the warranty for the Cisco Catalyst 2940 Series A Cisco Catalyst 2940 Series Switches come with the Cisco Limited Lifetime Hardware Warranty Limited Lifetime Warranty The hardware warranty available on Cisco Catalyst 3750 3560 3550 3500 XL 2970 2960 2950 2940 2900 XL and Express 500 Series switches is the Limited Lifetime Hardware Warranty This warranty automatically comes with the purchase of eligible Cisco Catalyst products free of charge It offers free advanced replacement of products within 10 business days For more information about the Limited Lifetime Hardware Warranty visit http www cisco com univercd cc td doc es_inpck Ih2ben___ htm Q What types of service and supp
7. ht 1992 2006 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 6 of 6
8. lic Information Page 5 of 6 Cisco SYSTEMS o Corporate Headquarters European Headquarters Americas Headquarters Asia Pacific Headquarters Cisco Systems Inc Cisco Systems International BV Cisco Systems Inc Cisco Systems Inc 170 West Tasman Drive Haarlerbergpark 170 West Tasman Drive 168 Robinson Road San Jose CA 95134 1706 Haarlerbergweg 13 19 San Jose CA 95134 1706 28 01 Capital Tower USA 1101 CH Amsterdam USA Singapore 068912 www cisco com The Netherlands www cisco com www cisco com Tel 408 526 4000 www europe cisco com Tel 408 526 7660 Tel 65 6317 7777 800 553 NETS 6387 Tel 31 0 20 357 1000 Fax 408 527 0883 Fax 65 6317 7799 Fax 408 526 4100 Fax 31 0 20 357 1100 Cisco Systems has more than 200 offices in the following countries and regions Addresses phone numbers and fax numbers are listed on the Cisco com Website at www cisco com go offices Argentina Australia e Austria Belgium Brazil e Bulgaria e Canada Chile e China PRC Colombia Costa Rica Croatia Cyprus Czech Republic Denmark Dubai UAE Finland France Germany Greece e Hong Kong SAR e Hungary India Indonesia Ireland Israel Italy Japan Korea e Luxembourg Malaysia e Mexico e The Netherlands e New Zealand Norway Peru Philippines e Poland Portugal Puerto Rico e Romania Russia Saudi Arabia Scotland Singapore Slovakia Slovenia South Africa Spain Sweden Switzerland Taiwan Thailand T
9. ort are available for Cisco Catalyst 2940 Series Switches A A full complement of lifecycle services and support is available for the Cisco Catalyst 2940 Series From implementation to operation and optimization Cisco Technical Support Services and Advanced Services can be delivered either directly or through one of Cisco s partners Technical Support Services Technical support service is available through Cisco SMARTnet and SMARTnet Onsite support The Cisco SMARTnet service augments the resources of your operations staff by providing them with access to expertise both online and on the telephone and numerous hardware advance replacement options The Cisco SMARTnet Onsite service complements the hardware advance replacement feature by adding the services of a field engineer services that can be critical for locations where internal staff are unavailable to perform part replacement activities For more information about the Cisco SMARTnet service visit http www cisco com en US products svcs ps3034 serv_category_home html PRODUCT AND CONTACT INFORMATION Q Where can I find technical and product specifications and other information about Cisco Catalyst 2940 Series Switches A For Cisco Catalyst 2940 Series product literature including data sheets and product specifications visit http www cisco com go catalyst2940 All contents are Copyright 1992 2006 Cisco Systems Inc All rights reserved This document is Cisco Pub
10. others run a Cisco IOS Enhanced Image software All contents are Copyright 1992 2006 Cisco Systems Inc All rights reserved This document is Cisco Public Information Page 1 of 6 Q Does the Cisco Catalyst 2940 Series replace any existing or legacy products A Yes The Cisco Catalyst 2940 Series provides an excellent replacement for the legacy Cisco 1548M 1548U 1538M and 1538U switches and hubs These products have reached end of sale status HARDWARE Q Why is the Cisco Catalyst 2940 Series ideal for end user environments outside of the wiring closet A The Cisco Catalyst 2940 Series is ideal for end user environments for the following reasons e A small form factor allows it to fit unobtrusively in small areas e Passive cooling without the use of a fan makes it completely silent so it does not disrupt quiet environments e A durable all metal shell protects the switch from accidental or intentional physical abuse e A mounting kit is provided for wall mounting desk mounting or under the desk mounting A specially designed magnet for mounting to metal surfaces is also provided e A separately purchased security cable commonly used with laptops can be installed in one of the security slots on each side of the switch to prevent theft e An optional cable guard protects the Ethernet cables from tampering or removal providing further protection against theft Q Does the Cisco Catalyst 2940 Series support stacking A
11. s cannot snoop on traffic going to other users on the same switch Any traffic sent on an isolated PVLAN Edge port is directed upstream in the network where it can be filtered using a router or firewall or monitored with an intrusion detection system before being sent to another PVLAN Edge isolated port QUALITY OF SERVICE Q A Does the Cisco Catalyst 2940 Series support the appropriate quality of service QoS mechanisms to enable voice video and data applications Yes for basic voice video and data applications The switches support four queues per port allowing network administrators to choose from four different service levels for each type of network traffic Using the 802 1p class of service CoS value in the packet header Cisco Catalyst 2940 Series Switches can place different types of traffic into different prioritized queues Queue priorities can be configured using Strict Priority or Weighted Round Robin scheduling When running voice over the network it is better to use Strict Priority scheduling if there is a mix of video and data applications Weighted Round Robin scheduling is generally preferred Availability Q A gt gt Does the Cisco Catalyst 2940 Series support Internet Group Management Protocol IGMP Snooping Yes IGMP Snooping makes more efficient use of network bandwidth when using multicast applications In addition the Cisco Catalyst 2940 Series supports Immediate Leave processing which prune
12. s out unnecessary multicast traffic more quickly than standard multicast leave processing Does the Cisco Catalyst 2940 Series support broadcast storm control Yes The Cisco Catalyst 2940 supports not only broadcast storm control but also unicast and multicast storm control This feature mitigates the impact of faulty network interface cards NICs that are sending out massive amounts of unnecessary traffic by blocking the traffic above a certain threshold shutting down the port or alerting a network administrator via a Simple Network Management Protocol SNMP trap Does the Cisco Catalyst 2940 Series support PortFast Yes The Cisco Catalyst 2940 supports PortFast which allows PCs to connect more quickly to the network when first connected to the switch thereby helping to improve user productivity and reduce support calls Network Management Q A Does the Cisco Catalyst 2940 Series support Cisco Express Setup Yes By pressing the Mode button for two seconds during switch bootup the switch will enter Express Setup mode This allows the user to connect to the switch using Ethernet launch a Web browser and complete a single Webpage that provides a basic configuration for the switch so that it is remotely manageable After completing Express Setup the switch can be connected to the network This tool is designed for networking novices All contents are Copyright 1992 2006 Cisco Systems Inc All rights reserved This docum
13. urkey Ukraine United Kingdom e United States e Venezuela Vietnam Zimbabwe Copyright 2006 Cisco Systems Inc All rights reserved CCSP CCVP the Cisco Square Bridge logo Follow Me Browsing and StackWise are trademarks of Cisco Systems Inc Changing the Way We Work Live Play and Learn and Quick Study are service marks of Cisco Systems Inc and Access Registrar Aironet BPX Catalyst CCDA CCDP CCIE CCIP CCNA CCNP Cisco the Cisco Certified Internetwork Expert logo Cisco IOS Cisco Press Cisco Systems Cisco Systems Capital the Cisco Systems logo Cisco Unity Enterprise Solver EtherChannel EtherFast EtherSwitch Fast Step FormShare GigaDrive GigaStack HomeLink Internet Quotient IOS IP TV iQ Expertise the iQ logo iQ Net Readiness Scorecard LightStream Linksys MeetingPlace MGX the Networkers logo Networking Academy Network Registrar Packet PIX Post Routing Pre Routing ProConnect RateMUX ScriptShare ScriptShare SlideCast SMARTnet The Fastest Way to Increase Your Internet Quotient and TransPath are registered trademarks of Cisco Systems Inc and or its affiliates in the United States and certain other countries All other trademarks mentioned in this document or Website 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 0601R Printed in USA C67 348658 00 05 06 All contents are Copyrig
14. ws the switch to be mounted in cabinets with standard 19 in mounting POSITIONING Q Where would I deploy a Cisco Catalyst 2940 Series Switch in my network A gt Cisco Catalyst 2940 Series switches are designed for deployment in user environments beyond the wiring closet Common deployments include office workspaces classrooms and other locations where it is not feasible or too expensive to pull additional copper or fiber cabling from the wiring closet to satisfy an increased number of end user devices Network administrators can accommodate up to eight devices even if there is only a single copper or fiber drop to that location The Cisco Catalyst 2940 is an excellent replacement for small hubs or unmanaged switches because it enables network administrators to have more control over their networks ensure network security monitor and manage switches remotely and improve network performance and service levels This helps reduce the total cost of network ownership and improve user productivity How is the Cisco Catalyst 2940 Series positioned relative to the Cisco Catalyst 2950 Series The Cisco Catalyst 2940 Series is designed for the user environment Cisco Catalyst 2950 Series Switches are primarily used in the wiring closet or small branch office Another difference is that the Cisco Catalyst 2940 Series has one Cisco IOS Standard Image software while some Cisco Catalyst 2950 Series models run a Cisco IOS Standard Image software and
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