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Cisco Catalyst 2950 Software Configuration Manual Manual pdf 1 page image

Cisco Catalyst 2950 Software Configuration Manual

Also see for 2950 - Catalyst Switch: Solution guideSoftware guideProduct bulletinProduct support bulletinMigration guide

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
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  8. Table Of Contents
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  16. Table Of Contents
  17. Table Of Contents
  18. Table Of Contents
  19. Table Of Contents
  20. Table Of Contents
  21. Table Of Contents
  22. Table Of Contents
  23. related publications
  24. product documentation dvd
  25. documentation feedback
  26. obtaining technical assistance
  27. submitting a service request
  28. vlan support
  29. management options
  30. network configuration examples
  31. design concepts for using the switch
  32. Small to Medium-Sized Network Configuration
  33. Collapsed Backbone and Switch Cluster Configuration
  34. Hotel Network Configuration
  35. Service-Provider Central-Office Configuration
  36. Large Campus Configuration
  37. Multidwelling Network Using Catalyst 2950 Switches
  38. Long-Distance, High-Bandwidth Transport Configuration
  39. Cisco IOS Command Modes
  40. C H A P T E R 2 Using the Command-Line Interface
  41. Getting Help
  42. Abbreviating Commands
  43. Understanding CLI Messages
  44. Recalling Commands
  45. Editing Commands through Keystrokes
  46. Editing Command Lines that Wrap
  47. Searching and Filtering Output of show and more Commands
  48. Understanding Catalyst 2955 Switch Alarms
  49. C H A P T E R 3 Configuring Catalyst 2955 Switch Alarms
  50. Port Status Monitoring Alarms
  51. Configuring Catalyst 2955 Switch Alarms
  52. Configuring the Power Supply Alarm
  53. Configuring the Switch Temperature Alarms
  54. Associating the Temperature Alarms to a Relay
  55. Setting the FCS Error Threshold
  56. Configuring Alarm Profiles
  57. Attaching an Alarm Profile to a Specific Port
  58. Enabling SNMP Traps
  59. Understanding the Boot Process
  60. C H A P T E R 4 Assigning the Switch IP Address and Default Gateway
  61. Default Switch Information
  62. DHCP Client Request Process
  63. Configuring DHCP-Based Autoconfiguration
  64. Configuring the TFTP Server
  65. Configuring the Relay Device
  66. Obtaining Configuration Files
  67. Example Configuration
  68. Manually Assigning IP Information
  69. Checking and Saving the Running Configuration
  70. Default Boot Configuration
  71. Booting Manually
  72. Controlling Environment Variables
  73. Scheduling a Reload of the Software Image
  74. Displaying Scheduled Reload Information
  75. Understanding IE2100 Series Configuration Registrar Software
  76. Chapter 5 Configuring IE2100 CN Agent
  77. CNS Event Service
  78. DeviceID
  79. Understanding CNS Embedded Agents
  80. Incremental (Partial) Configuration
  81. Enabling the CNS Event Agent
  82. Enabling the CNS Configuration Agent
  83. Enabling a Partial Configuration
  84. Understanding Switch Clusters
  85. Chapter 6 Clustering Switche
  86. Candidate Switch and Member Switch Characteristics
  87. Using the CLI to Manage Switch Clusters
  88. Managing the System Time and Date
  89. Chapter 7 Administering the Switch
  90. Configuring NTP
  91. Default NTP Configuration
  92. Configuring NTP Associations
  93. Configuring NTP Broadcast Service
  94. Configuring NTP Access Restrictions
  95. Configuring the Source IP Address for NTP Packets
  96. Displaying the NTP Configuration
  97. Displaying the Time and Date Configuration
  98. Configuring Summer Time (Daylight Saving Time)
  99. Configuring a System Name and Prompt
  100. Default System Name and Prompt Configuration
  101. Default DNS Configuration
  102. Displaying the DNS Configuration
  103. Configuring a Message-of-the-Day Login Banner
  104. Configuring a Login Banner
  105. Building the Address Table
  106. Default MAC Address Table Configuration
  107. Configuring MAC Address Notification Traps
  108. Adding and Removing Static Address Entries
  109. Configuring Unicast MAC Address Filtering
  110. Displaying Address Table Entries
  111. Preventing Unauthorized Access to Your Switch
  112. C H A P T E R 8 Configuring Switch-Based Authentication
  113. Setting or Changing a Static Enable Password
  114. Protecting Enable and Enable Secret Passwords with Encryption
  115. Disabling Password Recovery
  116. Setting a Telnet Password for a Terminal Line
  117. Configuring Username and Password Pairs
  118. Configuring Multiple Privilege Levels
  119. Changing the Default Privilege Level for Lines
  120. Logging into and Exiting a Privilege Level
  121. TACACS+ Operation
  122. Default TACACS+ Configuration
  123. Configuring TACACS+ Login Authentication
  124. Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services
  125. Starting TACACS+ Accounting
  126. Understanding RADIUS
  127. RADIUS Operation
  128. Configuring RADIUS
  129. Configuring RADIUS Login Authentication
  130. Defining AAA Server Groups
  131. Configuring RADIUS Authorization for User Privileged Access and Network Services
  132. Starting RADIUS Accounting
  133. Configuring Settings for All RADIUS Servers
  134. Configuring the Switch for Vendor-Proprietary RADIUS Server Communication
  135. Displaying the RADIUS Configuration
  136. Configuring the Switch for Local Authentication and Authorization
  137. Configuring the Switch for Secure Shell
  138. Limitations
  139. Cryptographic Software Image Guidelines
  140. Configuring the SSH Server
  141. Displaying the SSH Configuration and Status
  142. Understanding IEEE 802.1x Port-Based Authentication
  143. C H A P T E R 9 Configuring IEEE 802.1x Port-Based Authentication
  144. Authentication Initiation and Message Exchange
  145. Ports in Authorized and Unauthorized States
  146. IEEE 802.1x Accounting
  147. IEEE 802.1x Host Mode
  148. Using IEEE 802.1x with Port Security
  149. Using IEEE 802.1x with Voice VLAN Ports
  150. Using IEEE 802.1x with Guest VLAN
  151. Using IEEE 802.1x with Wake-on-LAN
  152. Configuring IEEE 802.1x Authentication
  153. IEEE 802.1x Configuration Guidelines
  154. Upgrading from a Previous Software Release
  155. Enabling IEEE 802.1x Authentication
  156. Configuring the Switch-to-RADIUS-Server Communication
  157. Configuring IEEE 802.1x Authentication Using a RADIUS Server
  158. Enabling Periodic Re-Authentication
  159. Manually Re-Authenticating a Client Connected to a Port
  160. Changing the Switch-to-Client Retransmission Time
  161. Configuring the Host Mode
  162. Configuring a Guest VLAN
  163. Resetting the IEEE 802.1x Configuration to the Default Values
  165. Configuring IEEE 802.1x Accounting
  166. Displaying IEEE 802.1x Statistics and Status
  167. Understanding Interface Types
  168. C H A P T E R 10 Configuring Interface Characteristics
  169. Port-Based VLANs
  170. Connecting Interfaces
  171. Procedures for Configuring Interfaces
  172. Configuring a Range of Interfaces
  173. Configuring and Using Interface-Range Macros
  174. Configuring Ethernet Interfaces
  175. Configuring Interface Speed and Duplex Mode
  176. Configuration Guidelines
  177. Setting the Interface Speed and Duplex Parameters on a Non-LRE Switch Port
  178. Setting the Interface Speed and Duplex Parameters on an LRE Switch Port
  179. Adding a Description for an Interface
  180. Monitoring and Maintaining the Interfaces
  181. Clearing and Resetting Interfaces and Counters
  182. Understanding Smartports Macros
  183. C H A P T E R 11 Configuring Smartports Macros
  184. Smartports Macro Configuration Guidelines
  185. Creating Smartports Macros
  186. Applying Smartports Macros
  187. Applying Cisco-Default Smartports Macros
  188. Displaying Smartports Macros
  189. Understanding LRE Features
  190. Chapter 12 Configuring LRE
  191. LRE Sequences
  192. CPE Ethernet Links
  193. LRE Link Monitor
  194. LRE Message Logging Process
  195. Default LRE Configuration
  196. Guidelines for Using LRE Profiles
  197. CPE Ethernet Link Guidelines
  198. Guidelines for Configuring Cisco 585 LRE CPEs
  199. Assigning a Profile to a Specific LRE Port
  200. Assigning a Sequence to a Specific LRE Port
  201. Precedence
  202. Link Qualification and SNR Margins
  203. Configuring LRE Link Persistence
  204. Configuring LRE Link Monitor
  205. Configuring Upstream Power Back-Off
  206. Configuring CPE Toggle
  207. Configuring Syslog Export
  208. Upgrading LRE Switch Firmware
  209. Performing an LRE Upgrade
  210. LRE Upgrade Details
  211. LRE Upgrade Example
  212. Understanding Spanning-Tree Features
  213. Chapter 13 Configuring STP
  214. Bridge ID, Switch Priority, and Extended System ID
  215. Spanning-Tree Interface States
  216. Blocking State
  217. Disabled State
  218. Spanning Tree and Redundant Connectivity
  219. Spanning-Tree Modes and Protocols
  220. Spanning-Tree Interoperability and Backward Compatibility
  221. Configuring Spanning-Tree Features
  222. Spanning-Tree Configuration Guidelines
  223. Changing the Spanning-Tree Mode
  224. Disabling Spanning Tree
  225. Configuring a Secondary Root Switch
  226. Configuring the Port Priority
  227. Configuring the Path Cost
  228. Configuring the Switch Priority of a VLAN
  229. Configuring the Hello Time
  230. Configuring the Forwarding-Delay Time for a VLAN
  231. Configuring Spanning Tree for Use in a Cascaded Stack
  232. Displaying the Spanning-Tree Status
  233. configuring mstp
  234. Chapter 14 Configuring MSTP
  235. IST, CIST, and CST
  236. Operations Between MST Regions
  237. Hop Count
  238. Understanding RSTP
  239. Rapid Convergence
  240. Synchronization of Port Roles
  241. Bridge Protocol Data Unit Format and Processing
  242. Processing Superior BPDU Information
  243. Configuring MSTP Features
  244. Default MSTP Configuration
  245. Specifying the MST Region Configuration and Enabling MSTP
  246. Configuring the Root Switch
  250. Configuring the Switch Priority
  251. Configuring the Forwarding-Delay Time
  252. Configuring the Maximum-Aging Time
  253. Specifying the Link Type to Ensure Rapid Transitions
  254. Displaying the MST Configuration and Status
  255. Understanding Optional Spanning-Tree Features
  256. C H A P T E R 15 Configuring Optional Spanning-Tree Features
  257. Understanding BPDU Filtering
  258. Understanding Cross-Stack UplinkFast
  259. How CSUF Works
  260. Events that Cause Fast Convergence
  262. Understanding BackboneFast
  263. Understanding EtherChannel Guard
  264. Understanding Loop Guard
  265. Default Optional Spanning-Tree Configuration
  266. Enabling BPDU Guard
  267. Enabling BPDU Filtering
  268. Enabling UplinkFast for Use with Redundant Links
  269. Enabling Cross-Stack UplinkFast
  270. Enabling BackboneFast
  271. Enabling EtherChannel Guard
  272. Enabling Root Guard
  274. Understanding VLANs
  275. Chapter 16 Configuring VLAN
  276. VLAN Port Membership Modes
  277. Configuring Normal-Range VLANs
  278. Token Ring VLANs
  279. VLAN Configuration Mode Options
  280. Saving VLAN Configuration
  281. Creating or Modifying an Ethernet VLAN
  282. Deleting a VLAN
  283. Assigning Static-Access Ports to a VLAN
  284. Default VLAN Configuration
  285. Creating an Extended-Range VLAN
  286. Displaying VLANs
  287. IEEE 802.1Q Configuration Considerations
  288. Default Layer 2 Ethernet Interface VLAN Configuration
  289. Configuring a Trunk Port
  290. Defining the Allowed VLANs on a Trunk
  291. Changing the Pruning-Eligible List
  292. Load Sharing Using STP
  293. Load Sharing Using STP Path Cost
  294. Configuring VMPS
  295. Understanding VMPS
  296. VMPS Database Configuration File
  297. Configuring the VMPS Client
  298. Configuring Dynamic Access Ports on VMPS Clients
  299. Changing the Reconfirmation Interval
  300. Monitoring the VMPS
  301. VMPS Configuration Example
  302. Understanding VTP
  303. Chapter 17 Configuring VTP
  304. VTP Modes
  305. VTP Version 2
  306. Configuring VTP
  307. VTP Configuration Options
  308. VTP Configuration Guidelines
  309. VTP Version
  310. Configuring a VTP Client
  311. Disabling VTP (VTP Transparent Mode)
  312. Enabling VTP Version 2
  313. Enabling VTP Pruning
  314. Adding a VTP Client Switch to a VTP Domain
  315. Monitoring VTP
  316. Understanding Voice VLAN
  317. Chapter 18 Configuring Voice VLAN
  318. Voice VLAN Configuration Guidelines
  319. Configuring Ports to Carry Voice Traffic in IEEE 802.1Q Frames
  320. Overriding the CoS Priority of Incoming Data Frames
  321. Configuring the IP Phone to Trust the CoS Priority of Incoming Data Frames
  322. Chapter 19 Configuring DHCP Feature
  323. DHCP Server
  324. Option-82 Data Insertion
  325. Configuring the DHCP Server
  326. Displaying DHCP Information
  327. Chapter 20 Configuring IGMP Snooping and MVR
  328. Joining a Multicast Group
  329. Leaving a Multicast Group
  330. IGMP Leave Timer Guidelines
  331. Source-Only Networks
  332. Default IGMP Snooping Configuration
  333. Setting the Snooping Method
  334. Configuring a Multicast Router Port
  335. Enabling IGMP Immediate-Leave Processing
  336. Configuring the IGMP Leave Timer
  337. Disabling IP Multicast-Source-Only Learning
  338. Configuring the Aging Time
  339. Displaying IGMP Snooping Information
  340. Understanding Multicast VLAN Registration
  341. Using MVR in a Multicast Television Application
  342. Configuring MVR
  343. Configuring MVR Global Parameters
  344. Configuring MVR Interfaces
  345. Displaying MVR Information
  346. Configuring IGMP Filtering and Throttling
  347. Configuring IGMP Profiles
  348. Applying IGMP Profiles
  349. Setting the Maximum Number of IGMP Groups
  350. Displaying IGMP Filtering and Throttling Configuration
  351. Configuring Storm Control
  352. Default Storm Control Configuration
  353. C H A P T E R 21 Configuring Port-Based Traffic Control
  354. Configuring Protected Ports
  355. Configuring Port Blocking
  356. Resuming Normal Forwarding on a Port
  357. Security Violations
  358. Default Port Security Configuration
  359. Enabling and Configuring Port Security
  360. Enabling and Configuring Port Security Aging
  361. Displaying Port-Based Traffic Control Settings
  362. Understanding UDLD
  363. Chapter 22 Configuring UDLD
  364. Configuring UDLD
  365. Enabling UDLD Globally
  366. Enabling UDLD on an Interface
  367. Displaying UDLD Status
  368. Understanding CDP
  369. Configuring CDP
  370. Chapter 23 Configuring CDP
  371. Disabling and Enabling CDP on an Interface
  372. Monitoring and Maintaining CDP
  373. Understanding SPAN and RSPAN
  374. Chapter 24 Configuring SPAN and RSPAN
  375. SPAN and RSPAN Concepts and Terminology
  376. Source Port
  377. Reflector Port
  378. SPAN and RSPAN Interaction with Other Features
  379. SPAN and RSPAN Session Limits
  380. Creating a SPAN Session and Specifying Ports to Monitor
  381. Creating a SPAN Session and Enabling Ingress Traffic
  382. Removing Ports from a SPAN Session
  383. Configuring RSPAN
  384. Configuring a VLAN as an RSPAN VLAN
  385. Creating an RSPAN Source Session
  386. Creating an RSPAN Destination Session
  387. Removing Ports from an RSPAN Session
  388. Displaying SPAN and RSPAN Status
  389. Understanding RMON
  390. Chapter 25 Configuring RMON
  391. Default RMON Configuration
  392. Configuring RMON Collection on an Interface
  393. Displaying RMON Status
  394. Understanding System Message Logging
  395. Configuring System Message Logging
  396. C H A P T E R 26 Configuring System Message Logging
  397. Disabling and Enabling Message Logging
  398. Synchronizing Log Messages
  399. Enabling and Disabling Timestamps on Log Messages
  400. Enabling and Disabling Sequence Numbers in Log Messages
  401. Limiting Syslog Messages Sent to the History Table and to SNMP
  402. Configuring UNIX Syslog Servers
  403. Logging Messages to a UNIX Syslog Daemon
  404. Displaying the Logging Configuration
  405. Understanding SNMP
  406. Chapter 27 Configuring SNMP
  407. SNMP Manager Functions
  408. SNMP Agent Functions
  409. SNMP Notifications
  410. Configuring SNMP
  411. Disabling the SNMP Agent
  412. Configuring Community Strings
  413. Configuring SNMP Groups and Users
  414. Configuring SNMP Notifications
  415. Setting the Agent Contact and Location Information
  416. SNMP Examples
  417. Displaying SNMP Status
  418. C H A P T E R 28 Configuring Network Security with ACLs
  419. Handling Fragmented and Unfragmented Traffic
  420. Understanding Access Control Parameters
  421. Guidelines for Applying ACLs to Physical Interfaces
  422. Unsupported Features
  423. ACL Numbers
  424. Creating a Numbered Extended ACL
  425. Creating Named Standard and Extended ACLs
  426. Applying Time Ranges to ACLs
  427. Including Comments About Entries in ACLs
  428. Creating Named MAC Extended ACLs
  429. Creating MAC Access Groups
  430. Applying ACLs to a Terminal Line
  431. Applying ACLs to a Physical Interface
  432. Displaying Access Groups
  433. Examples for Compiling ACLs
  434. Numbered ACL Examples
  435. Commented IP ACL Entry Examples
  436. configuring qos
  437. Chapter 29 Configuring Qo
  438. Basic QoS Model
  439. Classification
  440. Classification Based on Class Maps and Policy Maps
  441. Policing and Marking
  442. Mapping Tables
  443. Port Scheduling
  444. Configuring Auto-QoS
  445. Effects of Auto-QoS on the Configuration
  447. Enabling Auto-QoS for VoIP
  448. Displaying Auto-QoS Information
  449. Configuring Standard QoS
  451. Configuring Classification Using Port Trust States
  452. Configuring the CoS Value for an Interface
  453. Configuring Trusted Boundary
  454. Enabling Pass-Through Mode
  455. Configuring a QoS Policy
  456. Classifying Traffic by Using ACLs
  457. Classifying Traffic by Using Class Maps
  458. Classifying, Policing, and Marking Traffic by Using Policy Maps
  459. Configuring CoS Maps
  460. Configuring the CoS-to-DSCP Map
  461. Configuring the DSCP-to-CoS Map
  462. Configuring the Egress Queues
  463. Configuring WRR Priority
  464. Displaying Standard QoS Information
  465. QoS Configuration for the Existing Wiring Closet
  466. QoS Configuration for the Intelligent Wiring Closet
  467. Understanding EtherChannels
  468. C H A P T E R 30 Configuring EtherChannels
  469. Understanding the Port Aggregation Protocol and Link Aggregation Protocol
  470. PAgP and LACP Modes
  471. Physical Learners and Aggregate-Port Learners
  472. PAgP and LACP Interaction with Other Features
  473. Configuring EtherChannels
  474. Default EtherChannel Configuration
  475. Configuring Layer 2 EtherChannels
  476. Configuring EtherChannel Load Balancing
  477. Configuring the PAgP Learn Method and Priority
  478. Configuring Hot Standby Ports
  479. Displaying EtherChannel, PAgP, and LACP Status
  480. Using Recovery Procedures
  481. Chapter 31 Troubleshooting
  482. Recovering from Lost or Forgotten Passwords on Catalyst 2950 LRE Switches
  483. Password Recovery with Password Recovery Enabled
  484. Procedure with Password Recovery Disabled
  485. Recovering from Lost or Forgotten Passwords on Catalyst 2955 Switches
  486. Recovering from a Command Switch Failure
  487. Replacing a Failed Command Switch with Another Switch
  488. Recovering from Lost Member Connectivity
  489. Preventing Autonegotiation Mismatches
  490. Using Ping
  491. Using Layer 2 Traceroute
  492. Displaying the Physical Path
  493. Diagnosing LRE Connection Problems
  494. Using Debug Commands
  495. Enabling Debugging on a Specific Feature
  496. Using the debug auto qos Command
  497. Using the show controllers Commands
  498. supported mibs
  499. Appendix A Supported MIB
  500. using ftp to access the mib files
  501. Using FTP to Access the MIB Files
  502. Working with the Flash File System
  503. Displaying Available File Systems
  504. A P P E N D I X B Working with the Cisco IOS File System, Configuration Files, and Software Images
  505. Changing Directories and Displaying the Working Directory
  506. Copying Files
  507. Creating, Displaying, and Extracting tar Files
  508. Displaying the Contents of a tar File
  509. Displaying the Contents of a File
  510. Guidelines for Creating and Using Configuration Files
  511. Configuration File Types and Location
  512. Downloading the Configuration File By Using TFTP
  513. Uploading the Configuration File By Using TFTP
  514. Preparing to Download or Upload a Configuration File By Using FTP
  515. Uploading a Configuration File By Using FTP
  516. Copying Configuration Files By Using RCP
  517. Preparing to Download or Upload a Configuration File By Using RCP
  518. Downloading a Configuration File By Using RCP
  519. Uploading a Configuration File By Using RCP
  520. Clearing Configuration Information
  521. Image Location on the Switch
  522. Copying Image Files By Using TFTP
  523. Preparing to Download or Upload an Image File By Using TFTP
  524. Uploading an Image File By Using TFTP
  525. Preparing to Download or Upload an Image File By Using FTP
  526. Downloading an Image File By Using FTP
  527. Uploading an Image File By Using FTP
  528. Copying Image Files By Using RCP
  529. Preparing to Download or Upload an Image File By Using RCP
  530. Downloading an Image File By Using RCP
  531. Uploading an Image File By Using RCP
Cisco Catalyst 2950 Software Configuration Manual Manual pdf 1 page image
Corporate HeadquartersCisco Systems, Inc.170 West Tasman DriveSan Jose, CA 95134-1706USAhttp://www.cisco.comTel: 408 526-4000800 553-NETS (6387)Fax: 408 526-4100Catalyst 2950 and Catalyst 2955 SwitchSoftware Configuration GuideCisco IOS Release 12.1(22)EA5July 2005Customer Order Number: DOC-7811380=Text Part Number: 78-11380-12
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2950 - Catalyst SwitchCatalyst 2955 Series
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