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... Network Time Protocol (NTP) on the switch. Modifying the Switch Boot Configuration Describes how to download and upload system Images software images. Working With the Flash File System Describes how to work with the Flash file system available on some switch platforms. Working with System Software Describes how to modify the switch boot configuration, including the BOOT environment variable and the configuration register. Related Documentation The following publications are available for the Catalyst enterprise LAN switches: • Catalyst 4000 Series Switch Installation...
... Network Time Protocol (NTP) on the switch. Modifying the Switch Boot Configuration Describes how to download and upload system Images software images. Working With the Flash File System Describes how to work with the Flash file system available on some switch platforms. Working with System Software Describes how to modify the switch boot configuration, including the BOOT environment variable and the configuration register. Related Documentation The following publications are available for the Catalyst enterprise LAN switches: • Catalyst 4000 Series Switch Installation...
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... Cisco service contract have a login ID or password, go to this URL: http://www.cisco.com/tac/caseopen If you have Internet access, we recommend that you open a case online at this URL: http://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 To obtain a directory of toll-free Cisco TAC telephone numbers for...
... Cisco service contract have a login ID or password, go to this URL: http://www.cisco.com/tac/caseopen If you have Internet access, we recommend that you open a case online at this URL: http://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 To obtain a directory of toll-free Cisco TAC telephone numbers for...
Software Guide
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... as follows: Console> (enable) set ip ? to a command displays a list of arguments or inappropriate arguments. Cisco Systems Console Fri Aug 27 1999, 16:14:41 Enter password: Many commands (for example, commands that modify the configuration) can be used by the set ip ? Accessing Help Chapter 2 Using the Command-Line Interface To enter normal command mode, follow these steps: Step 1 Step 2 Step 3 Connect to the switch CLI through the console port or using the wrong number of valid...
... as follows: Console> (enable) set ip ? to a command displays a list of arguments or inappropriate arguments. Cisco Systems Console Fri Aug 27 1999, 16:14:41 Enter password: Many commands (for example, commands that modify the configuration) can be used by the set ip ? Accessing Help Chapter 2 Using the Command-Line Interface To enter normal command mode, follow these steps: Step 1 Step 2 Step 3 Connect to the switch CLI through the console port or using the wrong number of valid...
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..., Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Release the lease on a DHCP-assigned IP address. For DHCP, confirm that the sc0 interface IP show ip route This example shows the switch broadcasting a DHCP request, receiving a DHCP offer, and configuring the IP address and other options (such as backup server. To renew or release a DHCP-assigned IP address on the in-band (sc0) management interface, perform one of the DHCP offer: Console> (enable...
..., Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Release the lease on a DHCP-assigned IP address. For DHCP, confirm that the sc0 interface IP show ip route This example shows the switch broadcasting a DHCP request, receiving a DHCP offer, and configuring the IP address and other options (such as backup server. To renew or release a DHCP-assigned IP address on the in-band (sc0) management interface, perform one of the DHCP offer: Console> (enable...
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... 6/1 Edge Port: No, (Configured) Default Link Type: P2P, (Configured) Auto Port Guard: Default Boundary: Yes (PVST) Inst State Role Cost Prio VLANs 0 forwarding ROOT 10000 30 1 1 forwarding BDRY 10000 30 2-20 2 forwarding BDRY 10000 30 21-30 3 forwarding BDRY 10000 30 31-40 4 forwarding BDRY 10000 30 41-50 Console> (enable) Configuring the MST Port Instance Cost You can configure the port priority of MST. Console> (enable) 7-52 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78...
... 6/1 Edge Port: No, (Configured) Default Link Type: P2P, (Configured) Auto Port Guard: Default Boundary: Yes (PVST) Inst State Role Cost Prio VLANs 0 forwarding ROOT 10000 30 1 1 forwarding BDRY 10000 30 2-20 2 forwarding BDRY 10000 30 21-30 3 forwarding BDRY 10000 30 31-40 4 forwarding BDRY 10000 30 41-50 Console> (enable) Configuring the MST Port Instance Cost You can configure the port priority of MST. Console> (enable) 7-52 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78...
Software Guide
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... tree ports by vlan Uplinkfast disabled for bridge. Backbonefast enabled for bridge. Configuring Loop Guard Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop This example shows how to display BackboneFast statistics: Console> (enable) show spantree backbonefast This example shows how to disable BackboneFast on the switch and how to verify the configuration: Console> (enable) set spantree mst global-defaults loop-guard command. 8-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... tree ports by vlan Uplinkfast disabled for bridge. Backbonefast enabled for bridge. Configuring Loop Guard Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop This example shows how to display BackboneFast statistics: Console> (enable) show spantree backbonefast This example shows how to disable BackboneFast on the switch and how to verify the configuration: Console> (enable) set spantree mst global-defaults loop-guard command. 8-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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...link. Understanding How VLAN Trunks Work Chapter 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports Fast Ethernet and Gigabit Ethernet trunk ports support five different trunking modes (see Chapter 9, "Configuring VTP." Trunking Modes and Encapsulation Types Table 11-1 lists the trunking modes used with the set trunk command and describes how it is in software release 4.2 and later. 11-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Table 11-2 Fast Ethernet and Gigabit Ethernet Trunk...
...link. Understanding How VLAN Trunks Work Chapter 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports Fast Ethernet and Gigabit Ethernet trunk ports support five different trunking modes (see Chapter 9, "Configuring VTP." Trunking Modes and Encapsulation Types Table 11-1 lists the trunking modes used with the set trunk command and describes how it is in software release 4.2 and later. 11-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Table 11-2 Fast Ethernet and Gigabit Ethernet Trunk...
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....1Q Trunk Mode: nonegotiate Port 4/1 Trunk Type: 802.IQ Trunk Mode: auto Blocking 4000 X 4000 Switch 1 Port-type Switch 2 inconsistency 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-19 Assume that the native VLAN is VLAN 1 on Switch 2 is configured as an 802.1Q trunk, syslog messages are displayed on the Switch 2 console, and port 4/1 on both ends of the link. Port(s) 1/1 trunk type set to dot1q. You must use the nonegotiate keyword when configuring a port as a nontrunk port. Switch 1> (enable) 04...
....1Q Trunk Mode: nonegotiate Port 4/1 Trunk Type: 802.IQ Trunk Mode: auto Blocking 4000 X 4000 Switch 1 Port-type Switch 2 inconsistency 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-19 Assume that the native VLAN is VLAN 1 on Switch 2 is configured as an 802.1Q trunk, syslog messages are displayed on the Switch 2 console, and port 4/1 on both ends of the link. Port(s) 1/1 trunk type set to dot1q. You must use the nonegotiate keyword when configuring a port as a nontrunk port. Switch 1> (enable) 04...
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... port. 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 100 BASE-TX 100 BASE-TX OC3 MMF ATM 10 BASE-T 12-8 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Console> (enable) set ports 1 to 3 on module 3 to dynamic mode, disable trunking port 1 on the VMPS client before setting dynamic ports. Configuring VMPS Chapter 12 Configuring Dynamic VLAN...
... port. 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 100 BASE-TX 100 BASE-TX OC3 MMF ATM 10 BASE-T 12-8 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Console> (enable) set ports 1 to 3 on module 3 to dynamic mode, disable trunking port 1 on the VMPS client before setting dynamic ports. Configuring VMPS Chapter 12 Configuring Dynamic VLAN...
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... = 4 '*' - Console> (enable) show multicast group CGMP enabled IGMP disabled 15-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 To specify multicast router ports manually, perform this task in privileged mode: Step 1 Step 2 Task Manually specify a multicast router port. Configured Console> (enable) Configuring Multicast Groups To configure a multicast group manually, perform this task in privileged mode: Step 1 Step 2 Task Command Add one or more multicast MAC addresses to the set cam static 01-11-22...
... = 4 '*' - Console> (enable) show multicast group CGMP enabled IGMP disabled 15-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 To specify multicast router ports manually, perform this task in privileged mode: Step 1 Step 2 Task Manually specify a multicast router port. Configured Console> (enable) Configuring Multicast Groups To configure a multicast group manually, perform this task in privileged mode: Step 1 Step 2 Task Command Add one or more multicast MAC addresses to the set cam static 01-11-22...
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... 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 Command set snmp access-list 2 172.20.60.7 mask 255.255.255.0 Access number 2 has been updated with 172.20.60.8 Console> (enable) Specifying and Displaying an Interface Alias You can be up to clear IP addresses that are associated with access numbers: Console> (enable) clear snmp access-list 101 All IP addresses associated with access clear snmp access-list...
... 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 Command set snmp access-list 2 172.20.60.7 mask 255.255.255.0 Access number 2 has been updated with 172.20.60.8 Console> (enable) Specifying and Displaying an Interface Alias You can be up to clear IP addresses that are associated with access numbers: Console> (enable) clear snmp access-list 101 All IP addresses associated with access clear snmp access-list...
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... boots. Combined Mode Guidelines This section describes the guidelines for using combined mode in the Catalyst 4500 series switches: • The two power supplies must be the same type. • If you use the 1400 W DC power supply with any other power supply, even for a hot swap or other short-term emergency, because you can support the switch configuration. • When using variable power supplies, choose a power supply that supplies enough power so that the chassis...
... boots. Combined Mode Guidelines This section describes the guidelines for using combined mode in the Catalyst 4500 series switches: • The two power supplies must be the same type. • If you use the 1400 W DC power supply with any other power supply, even for a hot swap or other short-term emergency, because you can support the switch configuration. • When using variable power supplies, choose a power supply that supplies enough power so that the chassis...
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... privileged mode: Task Command Set the login password for privileged mode. Enter your new password. You must reset the password after installing software release 5.4 or a later release to activate case sensitivity. Console> (enable) Setting the Enable Password The enable password controls access to the user mode CLI. Enter your old password (press Return on a switch with no password configured), enter your new password, and reenter your new password. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... privileged mode: Task Command Set the login password for privileged mode. Enter your new password. You must reset the password after installing software release 5.4 or a later release to activate case sensitivity. Console> (enable) Setting the Enable Password The enable password controls access to the user mode CLI. Enter your old password (press Return on a switch with no password configured), enter your new password, and reenter your new password. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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... Command Disable the credentials forwarding configuration. Configuring Authentication Chapter 30 Configuring Switch Access Using AAA As an additional layer of authentication for that network service. To configure clients to forward user credentials as they connect to other hosts in the Kerberos realm, perform this task in privileged mode: Step 1 Step 2 Task Enable all clients to forward user credentials upon successful Kerberos authentication. (Optional) Configure Telnet to fail if clients cannot authenticate to the remote server. clear kerberos credentials forward...
... Command Disable the credentials forwarding configuration. Configuring Authentication Chapter 30 Configuring Switch Access Using AAA As an additional layer of authentication for that network service. To configure clients to forward user credentials as they connect to other hosts in the Kerberos realm, perform this task in privileged mode: Step 1 Step 2 Task Enable all clients to forward user credentials upon successful Kerberos authentication. (Optional) Configure Telnet to fail if clients cannot authenticate to the remote server. clear kerberos credentials forward...
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... have a router to the switch through the console port or a Telnet session. Configuring the Switch Using a File on a TFTP Server To configure a switch using the copy tftp config or the configure network command. Configure the switch using the configuration file downloaded from the TFTP server using a configuration file downloaded from a TFTP server, follow these steps: Step 1 Step 2 Step 3 Copy the configuration file to a TFTP server. 35-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Specify the IP address or host...
... have a router to the switch through the console port or a Telnet session. Configuring the Switch Using a File on a TFTP Server To configure a switch using the copy tftp config or the configure network command. Configure the switch using the configuration file downloaded from the TFTP server using a configuration file downloaded from a TFTP server, follow these steps: Step 1 Step 2 Step 3 Copy the configuration file to a TFTP server. 35-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Specify the IP address or host...
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... username, create a new rcp username using a configuration file downloaded from an rcp server: Console> (enable) copy rcp config IP address or name of remote host []? 172.20.52.3 Name of the file to download. The configuration file downloads and the commands are accessing the switch through the console port or a Telnet session. Copying Configuration Files Using rcp Chapter 35 Working with a valid username, this username will be stored in the same subnetwork if you do not have a router to route traffic between subnets. Downloading Configuration Files...
... username, create a new rcp username using a configuration file downloaded from an rcp server: Console> (enable) copy rcp config IP address or name of remote host []? 172.20.52.3 Name of the file to download. The configuration file downloads and the commands are accessing the switch through the console port or a Telnet session. Copying Configuration Files Using rcp Chapter 35 Working with a valid username, this username will be stored in the same subnetwork if you do not have a router to route traffic between subnets. Downloading Configuration Files...
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... advanced multipurpose bus arbiter service access point segmentation and reassembly Serial Control Protocol sustainable cell rate Session Description Protocol search engine Serial Line Internet Protocol single-mode standby monitor present station management Systems Network Architecture Subnetwork Access Protocol Simple Network Management Protocol Switched Port Analyzer source-route bridging source-route transparent bridging Service-Specific Connection Oriented Protocol 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 A-7
... advanced multipurpose bus arbiter service access point segmentation and reassembly Serial Control Protocol sustainable cell rate Session Description Protocol search engine Serial Line Internet Protocol single-mode standby monitor present station management Systems Network Architecture Subnetwork Access Protocol Simple Network Management Protocol Switched Port Analyzer source-route bridging source-route transparent bridging Service-Specific Connection Oriented Protocol 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 A-7
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...15-8 displaying multicast groups 15-6 enabling 15-4 enabling fast-leave processing 15-5 joining multicast groups 15-2 leaving multicast groups 15-2 overview 15-1 specifying multicast router ports 15-16 viewing statistics 15-7 channel modes, EtherChannel (table) 6-5 LACP 6-16 checksum, verifying Flash file 34-7 CIDR static routes and 27-9 Cisco Discovery Protocol See CDP Cisco Group Management Protocol See CGMP Cisco IP Phones sound quality 29-2 CiscoWorks2000 24-17 CIST 7-15 classification IN-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
...15-8 displaying multicast groups 15-6 enabling 15-4 enabling fast-leave processing 15-5 joining multicast groups 15-2 leaving multicast groups 15-2 overview 15-1 specifying multicast router ports 15-16 viewing statistics 15-7 channel modes, EtherChannel (table) 6-5 LACP 6-16 checksum, verifying Flash file 34-7 CIDR static routes and 27-9 Cisco Discovery Protocol See CDP Cisco Group Management Protocol See CGMP Cisco IP Phones sound quality 29-2 CiscoWorks2000 24-17 CIST 7-15 classification IN-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
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... configurations IGMP traffic filtering 15-17 configuring multicast filtering 15-20 port IP multicast filtering 15-20 configuring a switch using a file on an rcp server 35-6 console port disconnecting user sessions 20-8 establishing connections 2-2 monitoring user sessions 20-8 SLIP and 3-8 system message logging settings 37-5 conventions, document xxvi CoS configuring default switch values 14-5 drop thresholds mapping 14-6 transmitting 14-3 Layer 2 CoS values 14-2 reverting to default 14-5 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... configurations IGMP traffic filtering 15-17 configuring multicast filtering 15-20 port IP multicast filtering 15-20 configuring a switch using a file on an rcp server 35-6 console port disconnecting user sessions 20-8 establishing connections 2-2 monitoring user sessions 20-8 SLIP and 3-8 system message logging settings 37-5 conventions, document xxvi CoS configuring default switch values 14-5 drop thresholds mapping 14-6 transmitting 14-3 Layer 2 CoS values 14-2 reverting to default 14-5 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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...-client mode 39-8 disabling client mode 39-8 disabling daylight saving time adjustment 39-7 overview 39-1 NTP authentication configuring 39-4 enabling daylight saving time adjustment 39-5 setting time zone 39-5 NTP servers clearing 39-7 specifying 39-3 NVRAM ignoring content at boot 32-6 setting configuration modes 34-2 O organization, document xxiii out-of-band management interface See me1 interface IN-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Index establishing and verifying 15-20 removing 15-21 multicast filters...
...-client mode 39-8 disabling client mode 39-8 disabling daylight saving time adjustment 39-7 overview 39-1 NTP authentication configuring 39-4 enabling daylight saving time adjustment 39-5 setting time zone 39-5 NTP servers clearing 39-7 specifying 39-3 NVRAM ignoring content at boot 32-6 setting configuration modes 34-2 O organization, document xxiii out-of-band management interface See me1 interface IN-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Index establishing and verifying 15-20 removing 15-21 multicast filters...