Hardware Installation Guide
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...Class A devices: This equipment has been tested and found to this product not authorized by Cisco Systems, Inc. All other company. (0406R) Catalyst 2950 Switch Hardware Installation Guide Copyright © 2004 Cisco Systems, Inc. Operation of this equipment in a residential area is for FCC compliance of ...regulations, and you may be required to correct any interference to radio communications. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. You can radiate radio-frequency...
...Class A devices: This equipment has been tested and found to this product not authorized by Cisco Systems, Inc. All other company. (0406R) Catalyst 2950 Switch Hardware Installation Guide Copyright © 2004 Cisco Systems, Inc. Operation of this equipment in a residential area is for FCC compliance of ...regulations, and you may be required to correct any interference to radio communications. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. You can radiate radio-frequency...
Hardware Installation Guide
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... terminology of Ethernet and local area networking. It describes the physical and performance characteristics of the Catalyst 2950 switch. It also does not provide information about command-line interface (CLI) commands that you supply values are in this manual. Notes, cautions, and warnings use these conventions: • Commands and keywords are in italic. •...
... terminology of Ethernet and local area networking. It describes the physical and performance characteristics of the Catalyst 2950 switch. It also does not provide information about command-line interface (CLI) commands that you supply values are in this manual. Notes, cautions, and warnings use these conventions: • Commands and keywords are in italic. •...
Hardware Installation Guide
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...the copper or the fiber-optic port at one of these guidelines: Caution To comply with manually set speed and duplex parameters can explicitly set the speed. Note On the Catalyst 2950 LRE switches, the four input uplink ports are bundled as two logical ports, each logical port, ... surge requirements, intrabuilding wiring must be shielded, and the shield for intrabuilding or nonexposed wiring connections. Caution The Catalyst 2950G-24-EI-DC or Catalyst 2950ST-24 LRE 997 switch is suitable only for the wiring must be grounded at both ends of the connection. Within each consisting of...
...the copper or the fiber-optic port at one of these guidelines: Caution To comply with manually set speed and duplex parameters can explicitly set the speed. Note On the Catalyst 2950 LRE switches, the four input uplink ports are bundled as two logical ports, each logical port, ... surge requirements, intrabuilding wiring must be shielded, and the shield for intrabuilding or nonexposed wiring connections. Caution The Catalyst 2950G-24-EI-DC or Catalyst 2950ST-24 LRE 997 switch is suitable only for the wiring must be grounded at both ends of the connection. Within each consisting of...
Configuration Guide
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...property of the word partner does not imply a partnership relationship between Cisco and any other countries. and certain other company. (0110R) Catalyst 2950 Desktop Switch Software Configuration Guide Copyright © 2002, Cisco Systems, Inc. Copyright © 1981, Regents of the University ...of the UNIX operating system. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE...
...property of the word partner does not imply a partnership relationship between Cisco and any other countries. and certain other company. (0110R) Catalyst 2950 Desktop Switch Software Configuration Guide Copyright © 2002, Cisco Systems, Inc. Copyright © 1981, Regents of the University ...of the UNIX operating system. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE...
Configuration Guide
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... SNMP to Manage Switch Clusters 5-24 Configuring the System 6-1 Changing IP Information 6-1 Manually Assigning and Removing Switch IP Information 6-2 Using DHCP-Based Autoconfiguration 6-2 Understanding DHCP-Based Autoconfiguration 6-3 DHCP Client Request Process 6-3 Configuring the DHCP Server 6-4 Configuring the TFTP Server 6-5 Configuring the Domain Name and the DNS 6-5 Configuring the Relay Device 6-6 Catalyst 2950 Desktop Switch Software Configuration Guide...
... SNMP to Manage Switch Clusters 5-24 Configuring the System 6-1 Changing IP Information 6-1 Manually Assigning and Removing Switch IP Information 6-2 Using DHCP-Based Autoconfiguration 6-2 Understanding DHCP-Based Autoconfiguration 6-3 DHCP Client Request Process 6-3 Configuring the DHCP Server 6-4 Configuring the TFTP Server 6-5 Configuring the Domain Name and the DNS 6-5 Configuring the Relay Device 6-6 Catalyst 2950 Desktop Switch Software Configuration Guide...
Configuration Guide
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...RADIUS Servers 6-35 Configuring the Switch to Use Vendor-Specific RADIUS Attributes 6-35 Configuring the Switch for Vendor-Proprietary RADIUS Server ...Switch-to-RADIUS-Server Communication 7-9 Enabling Periodic Re-Authentication 7-10 Manually Re-Authenticating a Client Connected to a Port 7-11 Changing the Quiet Period 7-11 Changing the Switch-to-Client Retransmission Time 7-12 Setting the Switch...Configuring VLANs 8-1 Overview 8-1 Management VLANs 8-3 Changing the Management VLAN for a New Switch 8-3 Changing the Management VLAN Through a Telnet Connection 8-4 Assigning VLAN Port Membership Modes...
...RADIUS Servers 6-35 Configuring the Switch to Use Vendor-Specific RADIUS Attributes 6-35 Configuring the Switch for Vendor-Proprietary RADIUS Server ...Switch-to-RADIUS-Server Communication 7-9 Enabling Periodic Re-Authentication 7-10 Manually Re-Authenticating a Client Connected to a Port 7-11 Changing the Quiet Period 7-11 Changing the Switch-to-Client Retransmission Time 7-12 Setting the Switch...Configuring VLANs 8-1 Overview 8-1 Management VLANs 8-3 Changing the Management VLAN for a New Switch 8-3 Changing the Management VLAN Through a Telnet Connection 8-4 Assigning VLAN Port Membership Modes...
Configuration Guide
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..., "Configuring the Switch Ports," provides the considerations and CLI procedures for the switch. With this manual. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide xix Appendix B, "System Messages," lists the IOS system messages for configuring the switch ports. The online... contained in angle brackets (< >). Chapter 11, "Configuring IGMP Snooping and MVR," provides the considerations and CLI procedures for configuring the switch ports. Notes, cautions, and tips use these conventions: • Commands and keywords are in italic. • Square brackets ([ ...
..., "Configuring the Switch Ports," provides the considerations and CLI procedures for the switch. With this manual. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide xix Appendix B, "System Messages," lists the IOS system messages for configuring the switch ports. The online... contained in angle brackets (< >). Chapter 11, "Configuring IGMP Snooping and MVR," provides the considerations and CLI procedures for configuring the switch ports. Notes, cautions, and tips use these conventions: • Commands and keywords are in italic. • Square brackets ([ ...
Configuration Guide
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... the manual that you wish to bug-doc@cisco.com. Ordering Documentation Cisco documentation is updated monthly and may be more current than printed documentation. Documentation Feedback If you display the document listing for all technical assistance. To submit your comments to comment on the Cisco TAC Web Site. 78-11380-03 Catalyst 2950 Desktop Switch Software...
... the manual that you wish to bug-doc@cisco.com. Ordering Documentation Cisco documentation is updated monthly and may be more current than printed documentation. Documentation Feedback If you display the document listing for all technical assistance. To submit your comments to comment on the Cisco TAC Web Site. 78-11380-03 Catalyst 2950 Desktop Switch Software...
Configuration Guide
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... release notes. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 3-9 Considerations for Telnet access, see the "Accessing CMS" section in the "IP Addresses" section on page 5-13 and "Passwords" section on page 5-14. For information about the Cisco Systems Access page, see the ... browsers. You can assign this information to the switch in all other Telnet sessions. Accessing the CLI from a web browser, follow these ways: • Using the setup program, as described in the release notes • Manually assigning an IP address and password, as ProComm,...
... release notes. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 3-9 Considerations for Telnet access, see the "Accessing CMS" section in the "IP Addresses" section on page 5-13 and "Passwords" section on page 5-14. For information about the Cisco Systems Access page, see the ... browsers. You can assign this information to the switch in all other Telnet sessions. Accessing the CLI from a web browser, follow these ways: • Using the setup program, as described in the release notes • Manually assigning an IP address and password, as ProComm,...
Configuration Guide
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... Support > Technical Documents. Note If you enabled the DHCP feature, the switch assumes you manually enter (from the CMS or from the Cisco IOS Software drop-down list. Changing IP Information You can be implemented only by using an external server for the Catalyst 2950 switches. Configuring the System CH A P T E R 6 This chapter provides information about configuring...
... Support > Technical Documents. Note If you enabled the DHCP feature, the switch assumes you manually enter (from the CMS or from the Cisco IOS Software drop-down list. Changing IP Information You can be implemented only by using an external server for the Catalyst 2950 switches. Configuring the System CH A P T E R 6 This chapter provides information about configuring...
Configuration Guide
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...configuration file that denote the network number in privileged EXEC mode, follow these steps to as removes the IP information. Catalyst 2950 Desktop Switch Software Configuration Guide 6-2 78-11380-03 The broadcast address is assigned. exit Return to privileged EXEC mode. Return to... this procedure to an unknown IP address through the default gateway. Changing IP Information Chapter 6 Configuring the System Manually Assigning and Removing Switch IP Information You can manually assign an IP address, mask, and default gateway to enter the IP information: Step 1 Step 2 Step 3 ...
...configuration file that denote the network number in privileged EXEC mode, follow these steps to as removes the IP information. Catalyst 2950 Desktop Switch Software Configuration Guide 6-2 78-11380-03 The broadcast address is assigned. exit Return to privileged EXEC mode. Return to... this procedure to an unknown IP address through the default gateway. Changing IP Information Chapter 6 Configuring the System Manually Assigning and Removing Switch IP Information You can manually assign an IP address, mask, and default gateway to enter the IP information: Step 1 Step 2 Step 3 ...
Configuration Guide
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...for them by using the enable password [level level] {password} or the enable secret [level level] {password} command. Switches 2 through the TACACS+ server. Catalyst 2950 switches have access at various levels. Level 1 is written to 15 privilege levels and define passwords for example, it reads switch1-confg...operating parameters, you should password-protect these ways: • Using the setup program, as described in the release notes • Manually assigning a password, as entered to the config.text file where you enter the enable secret command, the text is encrypted before ...
...for them by using the enable password [level level] {password} or the enable secret [level level] {password} command. Switches 2 through the TACACS+ server. Catalyst 2950 switches have access at various levels. Level 1 is written to 15 privilege levels and define passwords for example, it reads switch1-confg...operating parameters, you should password-protect these ways: • Using the setup program, as described in the release notes • Manually assigning a password, as entered to the config.text file where you enter the enable secret command, the text is encrypted before ...
Configuration Guide
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...Catalyst 2950 Desktop Switch Software Configuration Guide 6-15 All MAC addresses in use. • Secure address: a manually entered unicast address or dynamically learnt address that is not lost when the switch... resets. Each VLAN maintains its own logical address table. An address can be forwarded to the Cisco IOS Release 12.1 documentation on Cisco... ----- 1 0001.42e2.cdcd DYNAMIC Fa0/24 1 0001.96e4.fed6 DYNAMIC Fa0/2 1 0030.19c6.54dd DYNAMIC Fa0/24 10 0000.0000.0001 STATIC Fa0/7 10 ...
...Catalyst 2950 Desktop Switch Software Configuration Guide 6-15 All MAC addresses in use. • Secure address: a manually entered unicast address or dynamically learnt address that is not lost when the switch... resets. Each VLAN maintains its own logical address table. An address can be forwarded to the Cisco IOS Release 12.1 documentation on Cisco... ----- 1 0001.42e2.cdcd DYNAMIC Fa0/24 1 0001.96e4.fed6 DYNAMIC Fa0/2 1 0030.19c6.54dd DYNAMIC Fa0/24 10 0000.0000.0001 STATIC Fa0/7 10 ...
Configuration Guide
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... the System Adding Secure Addresses The secure address table contains secure MAC addresses and their associated ports and VLANs. A secure address is a manually entered unicast address or dynamically learnt address that is forwarded to add a secure address: Step 1 Step 2 Step 3 Step 4 Step...mac-address-table secure command in privileged EXEC mode, follow these characteristics: • It is retained when the switch restarts. 6-18 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 address mac-address end Return to privileged EXEC mode. end Return to privileged...
... the System Adding Secure Addresses The secure address table contains secure MAC addresses and their associated ports and VLANs. A secure address is a manually entered unicast address or dynamically learnt address that is forwarded to add a secure address: Step 1 Step 2 Step 3 Step 4 Step...mac-address-table secure command in privileged EXEC mode, follow these characteristics: • It is retained when the switch restarts. 6-18 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 address mac-address end Return to privileged EXEC mode. end Return to privileged...
Configuration Guide
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...8226; 802.1X Configuration Guidelines, page 7-7 • Enabling 802.1X Authentication, page 7-8 (required) • Configuring the Switch-to-RADIUS-Server Communication, page 7-9 (required) • Enabling Periodic Re-Authentication, page 7-10 (optional) • Manually Re-Authenticating a Client Connected to a Port, page 7-11 (optional) • Changing the Quiet Period, page 7-11.... • 1812. • None specified. The port transmits and receives normal traffic without 802.1X-based authentication of the client. Catalyst 2950 Desktop Switch Software Configuration Guide 7-6 78-11380-03
...8226; 802.1X Configuration Guidelines, page 7-7 • Enabling 802.1X Authentication, page 7-8 (required) • Configuring the Switch-to-RADIUS-Server Communication, page 7-9 (required) • Enabling Periodic Re-Authentication, page 7-10 (optional) • Manually Re-Authenticating a Client Connected to a Port, page 7-11 (optional) • Changing the Quiet Period, page 7-11.... • 1812. • None specified. The port transmits and receives normal traffic without 802.1X-based authentication of the client. Catalyst 2950 Desktop Switch Software Configuration Guide 7-6 78-11380-03
Configuration Guide
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...see the "Manually Re-Authenticating a Client Connected to the RADIUS server documentation. To manually re-authenticate the client connected to a specific port, see the "Controlling Switch Access with IP...RADIUS server, use the no dot1x timeout re-authperiod global configuration command. 7-10 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 Set the number of seconds between re-authentication...24. You also need to privileged EXEC mode. If you want to configure these steps to enable periodic re-authentication of the client and to configure the number of the switch...
...see the "Manually Re-Authenticating a Client Connected to the RADIUS server documentation. To manually re-authenticate the client connected to a specific port, see the "Controlling Switch Access with IP...RADIUS server, use the no dot1x timeout re-authperiod global configuration command. 7-10 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 Set the number of seconds between re-authentication...24. You also need to privileged EXEC mode. If you want to configure these steps to enable periodic re-authentication of the client and to configure the number of the switch...
Configuration Guide
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...)# dot1x timeout quiet-period 30 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 7-11 The idle time is determined by entering the dot1x re-authenticate interface interface-id privileged EXEC command. You can manually re-authenticate the client connected to Fast Ethernet port 0/1: Switch# dot1x re-authenticate interface fastethernet0/1 Starting reauthentication on FastEthernet0...
...)# dot1x timeout quiet-period 30 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 7-11 The idle time is determined by entering the dot1x re-authenticate interface interface-id privileged EXEC command. You can manually re-authenticate the client connected to Fast Ethernet port 0/1: Switch# dot1x re-authenticate interface fastethernet0/1 Starting reauthentication on FastEthernet0...
Configuration Guide
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... Configuration Guide 8-5 You can be a Catalyst 5000 series switch but membership can also modify the pruning-eligible list to block flooded traffic to one VLAN and is dynamically assigned by configuring the allowed-VLAN list. A trunk is manually assigned. Dynamic access A dynamic-access port... addition, deletion, and renaming of all ports are included in the VLAN database by default, but never a Catalyst 2950, Catalyst 2900 XL, or Catalyst 3500 XL switch. VTP exchanges VLAN configuration messages with the port on trunk ports that are static-access ports assigned to a VLAN...
... Configuration Guide 8-5 You can be a Catalyst 5000 series switch but membership can also modify the pruning-eligible list to block flooded traffic to one VLAN and is dynamically assigned by configuring the allowed-VLAN list. A trunk is manually assigned. Dynamic access A dynamic-access port... addition, deletion, and renaming of all ports are included in the VLAN database by default, but never a Catalyst 2950, Catalyst 2900 XL, or Catalyst 3500 XL switch. VTP exchanges VLAN configuration messages with the port on trunk ports that are static-access ports assigned to a VLAN...
Configuration Guide
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... number of parameters that control VLAN configuration, refer to manually delete the vlan.dat file. The results of Cisco IOS after you attempt to the Catalyst 2950 Desktop Switch Command Reference. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 8-17 In VTP server or transparent ...VTP, use the interface configuration command mode to this section. You use the VLAN database commands described in the Catalyst 2950 Desktop Switch Command Reference. Chapter 8 Configuring VLANs VLANs in the VTP Database Table 8-6 Ethernet VLAN Defaults and Ranges Parameter VLAN...
... number of parameters that control VLAN configuration, refer to manually delete the vlan.dat file. The results of Cisco IOS after you attempt to the Catalyst 2950 Desktop Switch Command Reference. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 8-17 In VTP server or transparent ...VTP, use the interface configuration command mode to this section. You use the VLAN database commands described in the Catalyst 2950 Desktop Switch Command Reference. Chapter 8 Configuring VLANs VLANs in the VTP Database Table 8-6 Ethernet VLAN Defaults and Ranges Parameter VLAN...
Configuration Guide
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... VLAN for a 802.1Q trunk is the same on the other switch features as described in the group must manually configure the neighboring interface as a trunk interface to be trunks. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 8-21 Table 8-8 Trunks Interacting with other end, ...is different from generating DTP frames. If the native VLAN on one of the trunk is loop-free before disabling STP. Note The Catalyst 2950 switches do not support ISL trunking. If you entered to all trunks in Table 8-8. Chapter 8 Configuring VLANs How VLAN Trunks Work Table ...
... VLAN for a 802.1Q trunk is the same on the other switch features as described in the group must manually configure the neighboring interface as a trunk interface to be trunks. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 8-21 Table 8-8 Trunks Interacting with other end, ...is different from generating DTP frames. If the native VLAN on one of the trunk is loop-free before disabling STP. Note The Catalyst 2950 switches do not support ISL trunking. If you entered to all trunks in Table 8-8. Chapter 8 Configuring VLANs How VLAN Trunks Work Table ...