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...trunks on the switch. Configuring Multicast Services Describes how to configure the UniDirectional Link Detection (UDLD) protocol on Fast Ethernet and Gigabit Ethernet ports. Configuring UDLD Describes how to configure Cisco Group Management Protocol (CGMP), Internet Group Management Protocol (IGMP) snooping, and GARP Multicast Registration Protocol (GMRP) on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configuring VLANs Describes how to generate switch TopN reports on the switch. Using Switch...
...trunks on the switch. Configuring Multicast Services Describes how to configure the UniDirectional Link Detection (UDLD) protocol on Fast Ethernet and Gigabit Ethernet ports. Configuring UDLD Describes how to configure Cisco Group Management Protocol (CGMP), Internet Group Management Protocol (IGMP) snooping, and GARP Multicast Registration Protocol (GMRP) on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configuring VLANs Describes how to generate switch TopN reports on the switch. Using Switch...
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...://www.cisco.com/warp/public/687/Directory/DirTAC.shtml 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxix You and Cisco will commit all customers who have a valid Cisco service contract have Internet access, we recommend that you open P3 and P4 cases online so that you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC...
...://www.cisco.com/warp/public/687/Directory/DirTAC.shtml 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxix You and Cisco will commit all customers who have a valid Cisco service contract have Internet access, we recommend that you open P3 and P4 cases online so that you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC...
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...) cable. Use show commands to display the current configuration and to the hardware documentation for example, using a terminal emulation program on a PC or using set commands to a specific module, port, or VLAN. If the switch is already booted, press Enter to the console port through a Telnet session. To access the switch CLI through the console port, you successfully connect to the switch through the console port, follow these steps: Step 1 Step 2 Connect to change switch parameters. For more information, see the "Switch CLI Command Modes" section on , power...
...) cable. Use show commands to display the current configuration and to the hardware documentation for example, using a terminal emulation program on a PC or using set commands to a specific module, port, or VLAN. If the switch is already booted, press Enter to the console port through a Telnet session. To access the switch CLI through the console port, you successfully connect to the switch through the console port, follow these steps: Step 1 Step 2 Connect to change switch parameters. For more information, see the "Switch CLI Command Modes" section on , power...
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... 2 Using the Command-Line Interface Accessing the Switch CLI Accessing the CLI Through Telnet Before you can open a Telnet session to the switch, you can use normal-mode commands to monitor the switch or enter privileged mode to change the system configuration. Cisco Systems Console Enter password: After you successfully connect to the switch using the IP address or the DNS host name of operation: • Normal (also called login or user mode) • Privileged (also called enable mode) Both modes are password protected. Using...
... 2 Using the Command-Line Interface Accessing the Switch CLI Accessing the CLI Through Telnet Before you can open a Telnet session to the switch, you can use normal-mode commands to monitor the switch or enter privileged mode to change the system configuration. Cisco Systems Console Enter password: After you successfully connect to the switch using the IP address or the DNS host name of operation: • Normal (also called login or user mode) • Privileged (also called enable mode) Both modes are password protected. Using...
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... privileged command mode, follow these steps: Step 1 Step 2 Step 3 Connect to see the user-level command-line prompt. in normal or privileged mode to 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 Additionally, appending ? To see the "Accessing the Switch CLI...
... privileged command mode, follow these steps: Step 1 Step 2 Step 3 Connect to see the user-level command-line prompt. in normal or privileged mode to 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 Additionally, appending ? To see the "Accessing the Switch CLI...
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... Gateway RouteMask default 10.1.1.1 0x0 default 172.20.52.33 0x0 172.20.52.32 4000-2 0xfffffff0 10.1.1.0 10.1.1.100 0xffffff00 Console> (enable) Flags ----G UG U U Use -------0 12 180 22 Interface --------- Use Telnet to access the switch, enter privileged mode, and enter the slip detach command to the switch CLI through the console port and you enter the slip attach command, you are connected to restore the console port connection. Enter privileged mode on the switch...
... Gateway RouteMask default 10.1.1.1 0x0 default 172.20.52.33 0x0 172.20.52.32 4000-2 0xfffffff0 10.1.1.0 10.1.1.100 0xffffff00 Console> (enable) Flags ----G UG U U Use -------0 12 180 22 Interface --------- Use Telnet to access the switch, enter privileged mode, and enter the slip detach command to the switch CLI through the console port and you enter the slip attach command, you are connected to restore the console port connection. Enter privileged mode on the switch...
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... server table as the default gateway address) are using DHCP for IP address assignment, you are set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 show interface sl0: flags=51 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 1 inet 172.20.25.244 netmask 255.255.255.0 broadcast 172.20.25.255 dhcp server: 172.20.25.254 Console> Renewing and Releasing a DHCP-Assigned IP Address...
... server table as the default gateway address) are using DHCP for IP address assignment, you are set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 show interface sl0: flags=51 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 1 inet 172.20.25.244 netmask 255.255.255.0 broadcast 172.20.25.255 dhcp server: 172.20.25.254 Console> Renewing and Releasing a DHCP-Assigned IP Address...
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... Multicast Registration Protocol (GMRP), and quality of VLANs on its channeling configuration and state, and the links are cleared on all the ports in a trunking EtherChannel. In software releases prior to 6.3(1), traffic was disrupted when you configure the EtherChannel as trunk ports. • If you removed a 1-port channel from spanning tree and then added it contains only one of VLANs is enabled. Configuring ports in an EtherChannel in different trunk modes can adversely affect switch...
... Multicast Registration Protocol (GMRP), and quality of VLANs on its channeling configuration and state, and the links are cleared on all the ports in a trunking EtherChannel. In software releases prior to 6.3(1), traffic was disrupted when you configure the EtherChannel as trunk ports. • If you removed a 1-port channel from spanning tree and then added it contains only one of VLANs is enabled. Configuring ports in an EtherChannel in different trunk modes can adversely affect switch...
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... address for ports 2/1. set port membership 2/1 dynamic Spantree port fast start option enabled for the backup VMPS server(s). Console> show vmps server Configure ports on the switch to dynamic mode. set to dynamic. You cannot make trunk ports or secure ports a dynamic port. If you must configure VMPS on the VMPS client before setting dynamic ports. show port Port Name Status Vlan Level Duplex Speed 1/1 connect trunk normal full 100 1/2 connect trunk normal half 100 2/1 connect dyn normal full 155 3/1 connect dyn-5 normal half 10 Type...
... address for ports 2/1. set port membership 2/1 dynamic Spantree port fast start option enabled for the backup VMPS server(s). Console> show vmps server Configure ports on the switch to dynamic mode. set to dynamic. You cannot make trunk ports or secure ports a dynamic port. If you must configure VMPS on the VMPS client before setting dynamic ports. show port Port Name Status Vlan Level Duplex Speed 1/1 connect trunk normal full 100 1/2 connect trunk normal half 100 2/1 connect dyn normal full 155 3/1 connect dyn-5 normal half 10 Type...
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... Multicasting Works The following sections describe how multicasting works on the Cisco router and the switch. This chapter consists of IP multicast traffic. CGMP and IGMP software components run on the Catalyst enterprise LAN switches. Understanding Multicasting and Multicast Services Operation CGMP, IGMP snooping, and GMRP manage multicast traffic in IEEE 802.1p. Note For complete syntax and usage information for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference...
... Multicasting Works The following sections describe how multicasting works on the Cisco router and the switch. This chapter consists of IP multicast traffic. CGMP and IGMP software components run on the Catalyst enterprise LAN switches. Understanding Multicasting and Multicast Services Operation CGMP, IGMP snooping, and GMRP manage multicast traffic in IEEE 802.1p. Note For complete syntax and usage information for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference...
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...2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 show multicast router [mod_num/port_num] [vlan_id] 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 cam static 01-22-33-44-55-66 2/6-12 Static multicast entry added to multicast router port list. Console> (enable) show multicast router CGMP enabled IGMP disabled Port --------- 2/1 2/2 3/1 * Vlan 99 255 1 Total Number of...
...2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 show multicast router [mod_num/port_num] [vlan_id] 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 cam static 01-22-33-44-55-66 2/6-12 Static multicast entry added to multicast router port list. Console> (enable) show multicast router CGMP enabled IGMP disabled Port --------- 2/1 2/2 3/1 * Vlan 99 255 1 Total Number of...
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... IGMP Traffic Internet Group Management Protocol (IGMP) filtering allows an administrator to disable a manually configured multicast router port entry: Console> (enable) clear multicast router 2/12 Port 2/12 cleared from multicast router port list. Command clear cam mac_addr [vlan] This example shows how to all VLANs that are associated with a filtering and monitoring action. Console> (enable) Disabling Multicast Group Entries To disable manually configured multicast group entries, perform this task in privileged mode: Task Disable a specific manually configured multicast router...
... IGMP Traffic Internet Group Management Protocol (IGMP) filtering allows an administrator to disable a manually configured multicast router port entry: Console> (enable) clear multicast router 2/12 Port 2/12 cleared from multicast router port list. Command clear cam mac_addr [vlan] This example shows how to all VLANs that are associated with a filtering and monitoring action. Console> (enable) Disabling Multicast Group Entries To disable manually configured multicast group entries, perform this task in privileged mode: Task Disable a specific manually configured multicast router...
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... associated with access numbers from the CLI Chapter 24 Configuring SNMP Console> (enable) set snmp access-list 2 172.20.60.7 Access number 2 has been updated with existing IP Address 172.20.60.7 mask 255.255.255.0 Console> (enable) This example shows how to display the SNMP configuration: Console> (enable) show snmp ifalias [ifIndex] 24-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The length of the alias can specify and display an interface alias.
... associated with access numbers from the CLI Chapter 24 Configuring SNMP Console> (enable) set snmp access-list 2 172.20.60.7 Access number 2 has been updated with existing IP Address 172.20.60.7 mask 255.255.255.0 Console> (enable) This example shows how to display the SNMP configuration: Console> (enable) show snmp ifalias [ifIndex] 24-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The length of the alias can specify and display an interface alias.
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... different security levels. Configure the MIB views. set snmp group [-hex] {groupname} user [-hex] {username} {security-model v1 | v2 | v3} [volatile | nonvolatile] Configure the community table for the local SNMP engine. Configure the RMON2 trap destination table from the NMS. Configuring SNMPv3 from the command-line interface (CLI), perform this task in privileged mode: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Task Command Set the SNMP-Server EngineID set snmp community {access_type...
... different security levels. Configure the MIB views. set snmp group [-hex] {groupname} user [-hex] {username} {security-model v1 | v2 | v3} [volatile | nonvolatile] Configure the community table for the local SNMP engine. Configure the RMON2 trap destination table from the NMS. Configuring SNMPv3 from the command-line interface (CLI), perform this task in privileged mode: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Task Command Set the SNMP-Server EngineID set snmp community {access_type...
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... or other power supply, even for each power supply. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 28-3 Your switch will not have power redundancy. • When using fixed power supplies, choose a power supply that can seriously damage your switch. • If you set the power budget to 2, the switch ignores this setting. The power supplies have no power redundancy. • The 1400 W DC power supply does not support combined mode. The total power available...
... or other power supply, even for each power supply. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 28-3 Your switch will not have power redundancy. • When using fixed power supplies, choose a power supply that can seriously damage your switch. • If you set the power budget to 2, the switch ignores this setting. The power supplies have no power redundancy. • The 1400 W DC power supply does not support combined mode. The total power available...
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... the user fails to authenticate login attempts. All authentication methods (RADIUS, TACACS+, Kerberos, or local) are locked out from the CLI and SNMP with the set authentication login lockout command. (You would use local authentication for console connections and RADIUS authentication for accessing enable mode.) The configurable range is enabled. However, you are supported. If you might use the set authentication enable attempt command to set a delay time for console and Telnet connections. Understanding How Authentication Works Chapter 30 Configuring Switch Access Using...
... the user fails to authenticate login attempts. All authentication methods (RADIUS, TACACS+, Kerberos, or local) are locked out from the CLI and SNMP with the set authentication login lockout command. (You would use local authentication for console connections and RADIUS authentication for accessing enable mode.) The configurable range is enabled. However, you are supported. If you might use the set authentication enable attempt command to set a delay time for console and Telnet connections. Understanding How Authentication Works Chapter 30 Configuring Switch Access Using...
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... Password changed . Enter your old password (press set password Return on the switch: Console> (enable) set the login password for local authentication, perform this task in privileged mode: Task Command Set the login password for privileged mode. To set in software release 5.3 and earlier releases remain non-case sensitive. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-13 Console> (enable) Setting the Enable Password The enable password controls access to the user mode CLI...
... Password changed . Enter your old password (press set password Return on the switch: Console> (enable) set the login password for local authentication, perform this task in privileged mode: Task Command Set the login password for privileged mode. To set in software release 5.3 and earlier releases remain non-case sensitive. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-13 Console> (enable) Setting the Enable Password The enable password controls access to the user mode CLI...
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... mode: Task Step 1 Create a new local user account. Step 2 Verify the local user account. Command set enablepass command, as appropriate. picard 15 Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-15 Enter the set password or set localuser user username password pwd privilege privilege_level show localusers Local User Authentication: disabled Username Privilege Level --------- Enter the reset system command to the switch through a Telnet connection. At the "Enter Password...
... mode: Task Step 1 Create a new local user account. Step 2 Verify the local user account. Command set enablepass command, as appropriate. picard 15 Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-15 Enter the set password or set localuser user username password pwd privilege privilege_level show localusers Local User Authentication: disabled Username Privilege Level --------- Enter the reset system command to the switch through a Telnet connection. At the "Enter Password...
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... fails, the application attempts to authenticate users using the default method of authentication for that after users authenticate to it, these users can configure the switch so that network service. Command set kerberos credentials forward set kerberos clients mandatory This example shows how to configure clients to forward user credentials and verify the configuration: Console> (enable) set kerberos credentials forward Kerberos credentials forwarding enabled Console> (enable) show kerberos Kerberos Local Realm:CISCO.COM Kerberos server entries: Realm:CISCO.COM, Server:187.0.2.1, Port...
... fails, the application attempts to authenticate users using the default method of authentication for that after users authenticate to it, these users can configure the switch so that network service. Command set kerberos credentials forward set kerberos clients mandatory This example shows how to configure clients to forward user credentials and verify the configuration: Console> (enable) set kerberos credentials forward Kerberos credentials forwarding enabled Console> (enable) show kerberos Kerberos Local Realm:CISCO.COM Kerberos server entries: Realm:CISCO.COM, Server:187.0.2.1, Port...
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... download procedure of a supervisor engine software image: Console> (enable) 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 main memory Autoboot executing command: "boot bootflash:cat4000.6-1-1.bin" CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCC Uncompressing file 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... download procedure of a supervisor engine software image: Console> (enable) 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 main memory Autoboot executing command: "boot bootflash:cat4000.6-1-1.bin" CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCC Uncompressing file 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...