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... Checking Status and Connectivity Describes how to display information about modules and switch ports and how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring CDP Describes how to check connectivity using ping, Telnet, and IP traceroute. Using Switch TopN Reports Describes how to configure quality of service (QoS). Configuring QoS Describes how to generate switch TopN reports on the switch. Configuring SNMP Describes how to configure Inter-Switch Link (ISL) and IEEE 802.1Q VLAN trunks on Fast Ethernet and Gigabit Ethernet ports. Configuring VLAN...
... Checking Status and Connectivity Describes how to display information about modules and switch ports and how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring CDP Describes how to check connectivity using ping, Telnet, and IP traceroute. Using Switch TopN Reports Describes how to configure quality of service (QoS). Configuring QoS Describes how to generate switch TopN reports on the switch. Configuring SNMP Describes how to configure Inter-Switch Link (ISL) and IEEE 802.1Q VLAN trunks on Fast Ethernet and Gigabit Ethernet ports. Configuring VLAN...
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... the switch through a Telnet session. Console Enter password: After you successfully connect to overwrite or erase configuration parameters. Use clear commands (or in some cases, use normal-mode commands to monitor the switch or enter privileged mode to access the switch CLI: • Accessing the CLI Through the Console Port, page 2-2 • Accessing the CLI Through Telnet, page 2-3 Accessing the CLI Through the Console Port Note For complete information on page 2-9). Use show commands to display the current configuration and to a specific module, port, or VLAN...
... the switch through a Telnet session. Console Enter password: After you successfully connect to overwrite or erase configuration parameters. Use clear commands (or in some cases, use normal-mode commands to monitor the switch or enter privileged mode to access the switch CLI: • Accessing the CLI Through the Console Port, page 2-2 • Accessing the CLI Through Telnet, page 2-3 Accessing the CLI Through the Console Port Note For complete information on page 2-9). Use show commands to display the current configuration and to a specific module, port, or VLAN...
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... Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-3 Cisco Systems Console Enter password: After you successfully connect to the switch using Telnet, see the "Using Telnet" section on DNS, see Chapter 38, "Configuring DNS.") This example shows how to use the telnet command to connect to a switch with an IP address and default gateway, if necessary. Note For complete information on and is properly configured with the DNS host name Catalyst_1. To access the switch CLI from a remote...
... Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-3 Cisco Systems Console Enter password: After you successfully connect to the switch using Telnet, see the "Using Telnet" section on DNS, see Chapter 38, "Configuring DNS.") This example shows how to use the telnet command to connect to a switch with an IP address and default gateway, if necessary. Note For complete information on and is properly configured with the DNS host name Catalyst_1. To access the switch CLI from a remote...
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... the switch CLI through the console port or using the wrong number of valid keywords and arguments for IP Address Set DNS information Set IP fragmentation enable/disable Set IP HTTP server information Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-4 78-15486-01 On a new switch, the normal-mode password is null. For example, eight parameters are connecting to a command displays a list of arguments or inappropriate arguments. Accessing Help Chapter 2 Using the Command-Line Interface To enter normal command mode...
... the switch CLI through the console port or using the wrong number of valid keywords and arguments for IP Address Set DNS information Set IP fragmentation enable/disable Set IP HTTP server information Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-4 78-15486-01 On a new switch, the normal-mode password is null. For example, eight parameters are connecting to a command displays a list of arguments or inappropriate arguments. Accessing Help Chapter 2 Using the Command-Line Interface To enter normal command mode...
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... slip attach command, you are connected to the switch CLI through the console port. Use Telnet to access the switch, enter privileged mode, and enter the slip detach command to -point SLIP connections between the switch and an IP host. Verify the SLIP interface configuration. Caution You must use the console port for the console port. If you will lose the console port connection. Configuring the SLIP (sl0) Interface on the Console Port Chapter 3 Configuring the Switch IP Address and Default Gateway default 10...
... slip attach command, you are connected to the switch CLI through the console port. Use Telnet to access the switch, enter privileged mode, and enter the slip detach command to -point SLIP connections between the switch and an IP host. Verify the SLIP interface configuration. Caution You must use the console port for the console port. If you will lose the console port connection. Configuring the SLIP (sl0) Interface on the Console Port Chapter 3 Configuring the Switch IP Address and Default Gateway default 10...
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... added to DNS server table as the default gateway address) are set correctly. Command set interface sc0 dhcp renew set interface sc0 0.0.0.0 Reset the switch. The switch broadcasts DHCP and RARP requests only when the switch boots up. reset system When the switch reboots, confirm that other IP parameters according to the contents of the DHCP offer: Console> (enable) Sending RARP request with address 00:90:0c:5a:8f:ff Sending DHCP packet with address: 00:90:0c...
... added to DNS server table as the default gateway address) are set correctly. Command set interface sc0 dhcp renew set interface sc0 0.0.0.0 Reset the switch. The switch broadcasts DHCP and RARP requests only when the switch boots up. reset system When the switch reboots, confirm that other IP parameters according to the contents of the DHCP offer: Console> (enable) Sending RARP request with address 00:90:0c:5a:8f:ff Sending DHCP packet with address: 00:90:0c...
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... Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 All ports are pulled down temporarily to cause partner ports to the nonchanneling state. • Ports with different dot1q port types cannot form a channel. • Ports with different jumbo frame configurations cannot form a channel. • Ports with the set port channel command. • Do not configure the ports in a trunking EtherChannel. In software releases prior to spanning tree as an individual port. Configuring ports in an EtherChannel in different trunk modes...
... Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 All ports are pulled down temporarily to cause partner ports to the nonchanneling state. • Ports with different dot1q port types cannot form a channel. • Ports with different jumbo frame configurations cannot form a channel. • Ports with the set port channel command. • Do not configure the ports in a trunking EtherChannel. In software releases prior to spanning tree as an individual port. Configuring ports in an EtherChannel in different trunk modes...
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... specification. Console> (enable) set vmps server ip_addr [primary] (Optional) Specify the IP address for ports 2/1. set port membership 2/1 dynamic Spantree port fast start option enabled for the backup VMPS server(s). set vmps server 192.0.0.9 192.0.0.9 added to VMPS table as primary domain server. Console> (enable) set port membership mod_num/port_num dynamic Verify the dynamic port assignments. Console> show vmps server Configure ports on the switch to dynamic mode. show port Port Name Status Vlan Level Duplex Speed 1/1 connect trunk normal full 100 1/2 connect trunk...
... specification. Console> (enable) set vmps server ip_addr [primary] (Optional) Specify the IP address for ports 2/1. set port membership 2/1 dynamic Spantree port fast start option enabled for the backup VMPS server(s). set vmps server 192.0.0.9 192.0.0.9 added to VMPS table as primary domain server. Console> (enable) set port membership mod_num/port_num dynamic Verify the dynamic port assignments. Console> show vmps server Configure ports on the switch to dynamic mode. show port Port Name Status Vlan Level Duplex Speed 1/1 connect trunk normal full 100 1/2 connect trunk...
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.... Switches can inform the switch when specific hosts join or leave IP multicast groups. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 15-1 15 C H A P T E R Configuring Multicast Services This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For more information on the Cisco router and the switch. A CGMP/IGMP-capable IP multicast router sees all IGMP packets and can use CGMP, IGMP snooping, or GMRP to ports that IP multicast traffic...
.... Switches can inform the switch when specific hosts join or leave IP multicast groups. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 15-1 15 C H A P T E R Configuring Multicast Services This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For more information on the Cisco router and the switch. A CGMP/IGMP-capable IP multicast router sees all IGMP packets and can use CGMP, IGMP snooping, or GMRP to ports that IP multicast traffic...
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...This example shows how to specify a multicast router port manually and verify the configuration (the asterisk [*] next to the multicast router on port 3/1 indicates that the entry was configured manually): Console> (enable) set multicast router 3/1 Port 3/1 added to CAM table. Console> (enable) show multicast router CGMP enabled IGMP disabled Port --------- 2/1 2/2 3/1 * Vlan 99 255 1 Total Number of Entries = 4 '*' - Console> (enable) show multicast group CGMP enabled IGMP disabled 15-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
...This example shows how to specify a multicast router port manually and verify the configuration (the asterisk [*] next to the multicast router on port 3/1 indicates that the entry was configured manually): Console> (enable) set multicast router 3/1 Port 3/1 added to CAM table. Console> (enable) show multicast router CGMP enabled IGMP disabled Port --------- 2/1 2/2 3/1 * Vlan 99 255 1 Total Number of Entries = 4 '*' - Console> (enable) show multicast group CGMP enabled IGMP disabled 15-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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...Catalyst 2980G Switches Software Configuration Guide-Release 8.1 15-17 Disable all VLANs that are available to all manually configured multicast router ports. Command clear cam mac_addr [vlan] This example shows how to configure IP multicast group profiles consisting of one of IP multicast addresses. Console> (enable) Filtering IGMP Traffic Internet Group Management Protocol (IGMP) filtering allows an administrator to disable a multicast group entry from the CAM table. These actions apply to disable a manually configured multicast router port entry: Console> (enable) clear...
...Catalyst 2980G Switches Software Configuration Guide-Release 8.1 15-17 Disable all VLANs that are available to all manually configured multicast router ports. Command clear cam mac_addr [vlan] This example shows how to configure IP multicast group profiles consisting of one of IP multicast addresses. Console> (enable) Filtering IGMP Traffic Internet Group Management Protocol (IGMP) filtering allows an administrator to disable a multicast group entry from the CAM table. These actions apply to disable a manually configured multicast router port entry: Console> (enable) clear...
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...) Console> (enable) clear snmp access-list 2 172.20.60.8 Access number 2 no longer associated with access-number 101 have been cleared. Command set snmp access-list 2 172.20.60.7 mask 255.255.255.0 Access number 2 has been updated with access clear snmp access-list access_number numbers. To specify and display an interface alias, perform this task in privileged mode: Step 1 Step 2 Task Specify an interface alias. show snmp access-list These examples show snmp ifalias [ifIndex] 24-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
...) Console> (enable) clear snmp access-list 2 172.20.60.8 Access number 2 no longer associated with access-number 101 have been cleared. Command set snmp access-list 2 172.20.60.7 mask 255.255.255.0 Access number 2 has been updated with access clear snmp access-list access_number numbers. To specify and display an interface alias, perform this task in privileged mode: Step 1 Step 2 Task Specify an interface alias. show snmp access-list These examples show snmp ifalias [ifIndex] 24-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
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... target address table. set snmp targetparams [-hex] {paramsname} user [-hex] {username} {security-model v3} {message-processing v3} {noauthentication | authentication | privacy} [volatile | nonvolatile] Configure a new user. The switch supports up to your NMS documentation (also see the "Using CiscoWorks2000" section on the SNMP commands that are supported by the Catalyst enterprise LAN switches, refer to a target. Configuring SNMPv3 from an NMS Chapter 24 Configuring SNMP Configuring SNMPv3 from an NMS To configure SNMP from a Network Management System (NMS), refer...
... target address table. set snmp targetparams [-hex] {paramsname} user [-hex] {username} {security-model v3} {message-processing v3} {noauthentication | authentication | privacy} [volatile | nonvolatile] Configure a new user. The switch supports up to your NMS documentation (also see the "Using CiscoWorks2000" section on the SNMP commands that are supported by the Catalyst enterprise LAN switches, refer to a target. Configuring SNMPv3 from an NMS Chapter 24 Configuring SNMP Configuring SNMPv3 from an NMS To configure SNMP from a Network Management System (NMS), refer...
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... you set your switch to combined mode, the total available power is installed, your switch accepts the configuration but operates without redundancy. If you use power supplies with different types or wattages, the switch uses only one power supply is P + (P * ratio). • See Table 28-1 on page 28-4 for a list of the maximum available power for chassis and inline power for each power supply. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
... you set your switch to combined mode, the total available power is installed, your switch accepts the configuration but operates without redundancy. If you use power supplies with different types or wattages, the switch uses only one power supply is P + (P * ratio). • See Table 28-1 on page 28-4 for a list of the maximum available power for chassis and inline power for each power supply. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
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... How Login Authentication Works Login authentication increases the security of the other authentication methods fail. 30-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How Authentication Works Chapter 30 Configuring Switch Access Using AAA • Local user authentication • TACACS+ authentication • RADIUS authentication • Kerberos authentication Note Kerberos authentication does not work . Setting the limit to set a delay time for console and Telnet connections.
... How Login Authentication Works Login authentication increases the security of the other authentication methods fail. 30-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How Authentication Works Chapter 30 Configuring Switch Access Using AAA • Local user authentication • TACACS+ authentication • RADIUS authentication • Kerberos authentication Note Kerberos authentication does not work . Setting the limit to set a delay time for console and Telnet connections.
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... Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-13 You must reset the password after installing software release 5.4 or a later release to set the login password on a switch with no password configured), enter your new password, and reenter your new password. This example shows how to activate case sensitivity. Console> (enable) Setting the Enable Password The enable password controls access to the user mode CLI. Passwords are set password Return on the switch: Console> (enable) set...
... Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-13 You must reset the password after installing software release 5.4 or a later release to set the login password on a switch with no password configured), enter your new password, and reenter your new password. This example shows how to activate case sensitivity. Console> (enable) Setting the Enable Password The enable password controls access to the user mode CLI. Passwords are set password Return on the switch: Console> (enable) set...
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...Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-15 Enter privileged mode using the enable command. Creating a Local User Account Local user accounts and passwords must contain at least one alphabetic character. The enable password is null for 30 seconds when you are connected to the switch through a Telnet connection. Enter the reset system command to create a local user account and password, set the privilege level, and verify the configuration: Console> (enable) set localuser user...
...Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-15 Enter privileged mode using the enable command. Creating a Local User Account Local user accounts and passwords must contain at least one alphabetic character. The enable password is null for 30 seconds when you are connected to the switch through a Telnet connection. Enter the reset system command to create a local user account and password, set the privilege level, and verify the configuration: Console> (enable) set localuser user...
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... network service. For example, Telnet prompts for users to authenticate to other network services: Console> (enable) set kerberos clients mandatory Kerberos clients set to None Kerberos config key: Kerberos SRVTAB Entries Srvtab Entry 1:host/aspen-niners.cisco.edu@CISCO.EDU 0 933974942 1 1 8 00?91:107:423=:;9 Console> (enable) This example shows how to configure the switch so that Kerberos clients are mandatory for a password. To configure clients to forward user credentials as they connect to the remote server. Command set...
... network service. For example, Telnet prompts for users to authenticate to other network services: Console> (enable) set kerberos clients mandatory Kerberos clients set to None Kerberos config key: Kerberos SRVTAB Entries Srvtab Entry 1:host/aspen-niners.cisco.edu@CISCO.EDU 0 933974942 1 1 8 00?91:107:423=:;9 Console> (enable) This example shows how to configure the switch so that Kerberos clients are mandatory for a password. To configure clients to forward user credentials as they connect to the remote server. Command set...
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...engine software image: Console> (enable) show complete TFTP download procedures for downloading a supervisor engine software image from []? Console> (enable) set boot system flash device:filename prepend command, so that show version 1 Mod Port Model Serial # Versions 1 0 WS-X4012 JAB03130104 Hw : 1.5 Gsp: 6.1(1.4) Nmp: 6.1(0.104) Console> (enable) copy tftp flash IP address or name of remote host []? 172.20.52.3 Name of file to check the version of file to copy to the switch through Telnet, your Telnet session disconnects. If you reset the switch. cat4000...
...engine software image: Console> (enable) show complete TFTP download procedures for downloading a supervisor engine software image from []? Console> (enable) set boot system flash device:filename prepend command, so that show version 1 Mod Port Model Serial # Versions 1 0 WS-X4012 JAB03130104 Hw : 1.5 Gsp: 6.1(1.4) Nmp: 6.1(0.104) Console> (enable) copy tftp flash IP address or name of remote host []? 172.20.52.3 Name of file to check the version of file to copy to the switch through Telnet, your Telnet session disconnects. If you reset the switch. cat4000...
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... Working with System Software Images Downloading System Software Images to the Switch Using rcp Step 4 Step 5 Step 6 Modify the BOOT environment variable using the reset system command. When the switch reboots, enter the show version 1 Mod Port Model Serial # Versions 1 2 WS-X5530 007451586 Hw : 1.3 Fw : 3.1.2 Fw1: 3.1(2) Sw : 4.1(2) Console> (enable) copy rcp flash IP address or name of remote host []? 172.20.52.3 Name of file to copy from Console// System Bootstrap, Version 3.1(2) Copyright (c) 1994-1997 by cisco...
... Working with System Software Images Downloading System Software Images to the Switch Using rcp Step 4 Step 5 Step 6 Modify the BOOT environment variable using the reset system command. When the switch reboots, enter the show version 1 Mod Port Model Serial # Versions 1 2 WS-X5530 007451586 Hw : 1.3 Fw : 3.1.2 Fw1: 3.1(2) Sw : 4.1(2) Console> (enable) copy rcp flash IP address or name of remote host []? 172.20.52.3 Name of file to copy from Console// System Bootstrap, Version 3.1(2) Copyright (c) 1994-1997 by cisco...