To Next PageTo Next Page
Need help?Do you have a question about the Cisco 2950G 24 - Catalyst Switch and is the answer not in the manual?
General| Forwarding Rate | 6.6 Mpps |
|---|---|
| MAC Address Table Size | 8192 entries |
| Routing Protocol | Static routing |
| Manageable | Yes |
| RAM | 32 MB |
| Operating Temperature | 32 to 113°F (0 to 45°C) |
| Status Indicators | system |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3x |
| Power Supply | AC 100-240V |
| Operating Humidity | 10% to 85% non-condensing |
| Model | WS-C2950G-24-EI |
| Ports | 24 x 10/100 |
Identifies the network manager responsible for configuring Catalyst 2950 switches, requiring familiarity with Ethernet and LAN concepts.
Details configuring and troubleshooting Catalyst 2950/2950 LRE switches, covering management interfaces and supported features.
Outlines the guide's structure, listing chapters and their respective topics covered in the Catalyst 2950 Desktop Switch Software Configuration Guide.
Explains the conventions used in the guide for commands, interactive examples, and symbols for notes, cautions, and tips.
Lists related Cisco documents providing comprehensive switch information, available from Cisco.com.
Explains how to obtain documentation from Cisco Systems, including World Wide Web and CD-ROM options.
Details how to get technical assistance from Cisco, including Cisco.com, TAC Web Site, and TAC Escalation Center.
Lists supported software features for Catalyst 2950 switches, including LRE switch-specific support and ease of use.
Discusses managing switches via CMS, CLI, IE2100 CNS Agents, and SNMP.
Provides concepts and examples for switch deployment, including cost-effective wiring closet, high-performance workgroup, and large campus.
Directs the user to review specific sections for startup information before configuring the switch.
Explains the different modes in Cisco IOS user interface and how to access and exit them.
Describes how to use the question mark (?) and help commands for assistance with CLI commands and syntax.
Details how to specify interface type, slot, and switch-port number for interface configuration commands.
Explains how to enter abbreviated commands to uniquely identify commands for the switch.
Describes how to use 'no' and 'default' forms of commands to disable/enable features or revert settings to defaults.
Lists common CLI error messages, their meanings, and how to get help for them.
Explains how to use the command history feature to recall and customize previous command entries.
Describes editing features for manipulating the command line, including keystrokes and line wrapping.
Explains how to search and filter output from 'show' and 'more' commands using pipe characters and keywords.
Describes how to access the CLI via console port or remote Telnet session after initial switch configuration.
Details CMS features for managing switches via web browsers, including network views, menus, toolbar, and tools.
Describes the Front Panel view for clusters and standalone switches, including cluster tree and port/LED status.
Explains how to display network topology, device icons, link icons, and device/link labels for cluster management.
Details the menu bar and toolbar options for managing switches and clusters, and accessing online help.
Explains how to change CMS interaction mode to Guide or Expert, detailing their features and usage.
Describes how wizards simplify configuration tasks by providing a step-by-step approach with minimal information.
Explains how CMS displays popup messages when the mouse hovers over devices or table column headings.
Describes how to use CMS online help for understanding features, procedures, and accessing content and glossary.
Details the components of a typical CMS window, including tabs, lists, tables, filter editor, and icons.
Provides steps for accessing CMS, assuming IP information, passwords, and browser/Java plug-in requirements are met.
Explains how CMS provides notification cues (green/red borders) to track and confirm changes made.
Describes how to save the running configuration to Flash memory, noting the availability of the Save Configuration option.
Explains how to restore a saved configuration to one or more switches for reasons like incorrect changes or system failures.
Details how CMS preferences are saved to a PC in a .cms_properties file and how to manage them.
Discusses potential differences in CMS look and function across various IOS releases and switch platforms.
Guides the user to review specific sections for startup information before configuring the switch.
Explains the switch boot process, including boot loader software activities and access to the Flash file system.
Describes methods for assigning IP information: setup program, DHCP server, or manual configuration.
Explains how to check entered configuration settings and save them to the startup configuration file.
Describes the IE2100 Configuration Registrar as a network management device for automating device deployment and management.
Explains CNS event and configuration agents, providing initial, incremental, and synchronized configurations.
Details procedures for connecting and automatically configuring switches using CNS agents.
Shows how to use privileged EXEC commands to display CNS configuration information.
Defines a switch cluster as interconnected switches managed as a single entity, detailing command/member switch roles and benefits.
Provides guidelines, requirements, and caveats for managing switches through a cluster to anticipate conflicts.
Details how to create a cluster using CMS or CLI commands, including enabling command switches and adding members.
Explains how to configure member switches via CLI by logging into the command switch and accessing member switch CLIs.
Describes how the command switch manages SNMP messages between member switches and an SNMP application.
Describes security features like passwords and privilege levels to restrict access for unauthorized users.
Details password protection and privilege levels to control access to configuration files and privileged EXEC commands.
Explains enabling and configuring TACACS+ for AAA services, providing authentication, authorization, and accounting.
Describes enabling and configuring RADIUS for AAA services, providing administrative control over authentication and authorization.
Explains how to configure AAA to operate without a server by setting the switch to implement AAA in local mode.
Describes configuring the Secure Shell (SSH) feature for secure remote connections, requiring the crypto software image.
Details managing system time and date using NTP or manual configuration methods, covering system clock and NTP understanding.
Explains how to configure the system name and prompt to identify the switch, with default settings described.
Describes configuring a message-of-the-day (MOTD) and a login banner displayed to users at login.
Explains the MAC address table contents, dynamic/static addresses, and how the switch forwards traffic based on destination addresses.
Describes how the software determines the local data link address from an IP address using address resolution.
Discusses upgrading Catalyst 2950 switches with the latest software releases and checking compatibility.
Defines 802.1X as an access control protocol restricting unauthorized clients via publicly accessible ports.
Provides procedures for configuring 802.1X authentication, including default settings and guidelines.
Explains how to display 802.1X statistics and status for interfaces and the switch using privileged EXEC commands.
Describes interface types like access ports, trunk ports, VLANs, EtherChannel port groups, and connecting interfaces.
Details how to use the interface global configuration command to enter interface configuration mode and specify interface type, slot, and number.
Covers default Ethernet interface configuration, SFP configuration, speed, duplex, media types, flow control, and interface descriptions.
Describes tasks for monitoring and maintaining interfaces, including status, clearing counters, and shutting down/restarting interfaces.
Describes LRE ports and connections for Catalyst 2950 LRE switches, including LRE link and CPE Ethernet link details.
Details LRE link settings, symmetric/asymmetric bandwidth, and the use of profiles for controlling upstream/downstream rates.
Provides guidelines and procedures for assigning profiles or sequences to LRE ports and managing link qualification.
Describes how the 2950 LRE switch can store and apply LRE binaries for firmware updates on controllers and CPE devices.
Explains STP features like STP Overview, Bridge Protocol Data Units, topology, interface states, and address management.
Provides guidelines and procedures for configuring STP features like root switch, port priority, path cost, and timers.
Shows how to display the spanning-tree status using privileged EXEC commands like 'show spanning-tree'.
Explains RSTP's rapid convergence, port roles, active topology, proposal/agreement handshaking, and BPDU format.
Details MSTP architecture, including MST regions, IST, CIST, CST, hop count, and boundary ports.
Describes MSTP's built-in protocol migration mechanism for interoperating with legacy 802.1D switches.
Provides guidelines and procedures for configuring RSTP and MSTP features like root switch, port priority, and timers.
Shows how to display MST configuration and status using privileged EXEC commands like 'show spanning-tree mst'.
Explains optional features like Port Fast, BPDU Guard, BPDU Filtering, UplinkFast, BackboneFast, Root Guard, and Loop Guard.
Provides procedures for configuring optional spanning-tree features like Port Fast, BPDU Guard, BPDU Filtering, UplinkFast, BackboneFast, Root Guard, and Loop Guard.
Shows how to display spanning-tree status using privileged EXEC commands like 'show spanning-tree'.
Defines a VLAN as a logically segmented network, detailing VLAN attributes, port membership, and STP support.
Describes configuring normal-range VLANs (1-1005) using config-vlan mode or VLAN database mode.
Explains configuring extended-range VLANs (1006-4094) in VTP transparent mode, not saved in VLAN database.
Shows how to display VLAN information using 'show vlan' or 'show running-config vlan' privileged EXEC commands.
Describes VLAN trunking function, 802.1Q configuration, default Layer 2 Ethernet interface VLAN configuration, and interaction with other features.
Explains configuring VMPS for dynamic access port VLAN membership, including guidelines, global parameters, and client configuration.
Defines VTP as a messaging protocol for maintaining VLAN consistency, minimizing misconfigurations and security violations.
Provides guidelines and procedures for configuring VTP, including default configuration, options, server, client, transparent mode, version 2, and pruning.
Describes how to monitor VTP by displaying configuration information, domain name, revision, VLAN count, and advertisements.
Explains how voice VLAN enables ports to carry IP voice traffic, supporting QoS and Cisco IP Phone connectivity.
Provides guidelines and procedures for configuring voice VLAN on access ports, including default settings and phone connections.
Shows how to display voice VLAN information for an interface using the 'show interfaces interface-id switchport' command.
Explains IGMP snooping for constraining multicast traffic by dynamically configuring Layer 2 interfaces for forwarding.
Provides procedures for configuring IGMP snooping, including default settings, enabling/disabling, snooping method, and router ports.
Shows how to display IGMP snooping information for interfaces, multicast router configurations, and MAC address entries.
Defines MVR for wide-scale multicast traffic across networks, allowing subscribers in separate VLANs to share a multicast VLAN.
Provides basic MVR configuration information, including default configuration, guidelines, global parameters, and interfaces.
Shows how to display MVR status and values for the switch or a specified interface using privileged EXEC commands.
Describes controlling multicast group membership by configuring IP multicast profiles and applying them to switch ports.
Shows how to display IGMP profile characteristics and maximum group configuration for interfaces using privileged EXEC commands.
Describes configuring storm control to manage broadcast, unicast, or multicast packet storms on ports.
Explains how protected ports ensure no traffic is forwarded between them, forcing traffic through a Layer 3 device.
Details restricting input to an interface by limiting and identifying MAC addresses of stations allowed access.
Shows how to display port protection, storm control, and port security settings using privileged EXEC commands.
Explains UDLD as a Layer 2 protocol to detect and disable unidirectional links, preventing spanning-tree topology loops.
Provides procedures for configuring UDLD globally and on interfaces, including aggressive or normal modes.
Shows how to display UDLD status for interfaces or the entire switch using the 'show udld' command.
Defines CDP as a Layer 2 device discovery protocol for learning neighbor device types and SNMP addresses.
Provides information and procedures for configuring CDP timer, holdtime, and advertisement type.
Explains how to monitor and maintain CDP on the device using privileged EXEC commands like 'show cdp'.
Describes analyzing network traffic using SPAN for port/VLAN mirroring and RSPAN for remote monitoring across switches.
Provides guidelines and procedures for configuring SPAN sessions, including session limits and specifying ports/VLANs.
Details RSPAN configuration, including guidelines, creating sessions, destination sessions, and specifying VLANs.
Shows how to display the status of current SPAN or RSPAN configurations using privileged EXEC commands.
Defines RMON as a standard monitoring specification for exchanging network monitoring data, enabling fault diagnosis and performance tuning.
Provides procedures for configuring RMON alarms, events, and collection on interfaces.
Shows how to display RMON status using privileged EXEC commands like 'show rmon' and 'show rmon alarms'.
Explains system message logging, default behavior, severity levels, and destinations for messages.
Details configuring message logging, including log message format, default configuration, disabling/enabling, and display destinations.
Shows how to display logging configuration and buffer contents using 'show logging' privileged EXEC command.
Defines SNMP as a protocol for communication between managers and agents, covering versions, manager/agent functions, and community strings.
Provides procedures for configuring SNMP, including default settings, guidelines, disabling agent, community strings, groups, users, notifications, contact info, and TFTP servers.
Shows how to display SNMP input/output statistics, illegal community string entries, errors, and requested variables.
Explains ACLs for packet filtering, limiting network traffic, and restricting network use by users or devices.
Details creating standard, extended IP, and MAC extended ACLs, including applying them to interfaces and terminal lines.
Shows how to display ACLs configured on the switch and applied to physical and management interfaces.
Provides examples of compiling ACLs, including numbered, extended, named, and commented IP ACL entries.
Describes QoS implementation on the switch, covering classification, policing, marking, queueing, and scheduling.
Provides guidelines and procedures for configuring QoS, including default configuration, classification, policy maps, and CoS/WRR.
Provides examples for QoS migration paths, including configurations for existing and intelligent wiring closets.
Defines EtherChannel as bundled Fast Ethernet or Gigabit Ethernet links for high-bandwidth, fault-tolerant connections.
Provides guidelines and procedures for configuring EtherChannel interfaces, including default settings and Layer 2 EtherChannels.
Shows how to display EtherChannel and PAgP status information using privileged EXEC commands.
Describes retrieving statistics for LRE ports and CPE devices, including Ethernet, LRE link, and CPE Ethernet link statistics.
Provides procedures for recovering from corrupted software, lost passwords, command switch failures, and lost member connectivity.
Explains how to prevent mismatches in speed and duplex settings caused by the IEEE 802.3AB autonegotiation protocol.
Lists problems encountered when configuring and monitoring LRE ports, with suspected causes and suggested solutions.
Describes security and identification features of Cisco-approved GBIC and SFP modules, including error-disabled state recovery.
Explains how to use debug commands to diagnose and resolve internetworking problems, emphasizing specific feature debugging.
Describes how the crashinfo file saves information to help debug IOS image failures (crashes), including image name and register dumps.
Lists the supported management information base (MIB) files for this release.
Provides steps to obtain each MIB file using FTP, including server access and directory navigation.
Describes commands for managing software images and configuration files stored on the switch's Flash device.
Details creating, loading, and maintaining configuration files, including guidelines and types of files.
Describes archiving (downloading and uploading) software image files, including IOS code and web management HTML files.
