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...system name, create a login banner, and perform other administrative tasks on the switch. Related Documentation The following publications are available for the Catalyst enterprise LAN switches: • Catalyst 4000 Series Switch Installation Guide • Catalyst 4500 Series Switch Installation Guide • Catalyst 4912G Installation Guide • Catalyst 2948G and 2980G Installation Guide • Catalyst 4000 Family, 2948G, and 2980G Switches Quick Software Configuration • Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference • System...
...system name, create a login banner, and perform other administrative tasks on the switch. Related Documentation The following publications are available for the Catalyst enterprise LAN switches: • Catalyst 4000 Series Switch Installation Guide • Catalyst 4500 Series Switch Installation Guide • Catalyst 4912G Installation Guide • Catalyst 2948G and 2980G Installation Guide • Catalyst 4000 Family, 2948G, and 2980G Switches Quick Software Configuration • Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference • System...
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.../public/687/Directory/DirTAC.shtml 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxix Cisco TAC Website The Cisco TAC website provides online documents and tools to help troubleshoot and resolve technical issues with a P1 or P2 problem, a Cisco TAC engineer automatically opens a case. Preface Obtaining Technical Assistance Technical Assistance Center The Cisco TAC is available to all necessary resources...
.../public/687/Directory/DirTAC.shtml 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxix Cisco TAC Website The Cisco TAC website provides online documents and tools to help troubleshoot and resolve technical issues with a P1 or P2 problem, a Cisco TAC engineer automatically opens a case. Preface Obtaining Technical Assistance Technical Assistance Center The Cisco TAC is available to all necessary resources...
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... normal mode, enter the enable command. Console> enable Enter password: Console> (enable) To exit privileged mode and return to see the "Accessing the Switch CLI" section on page 2-2). Additionally, appending ? The system displays all valid keywords and arguments as follows: Console> (enable) set mls command. Cisco Systems Console Fri Aug 27 1999, 16:14:41 Enter password: Many commands (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...
... normal mode, enter the enable command. Console> enable Enter password: Console> (enable) To exit privileged mode and return to see the "Accessing the Switch CLI" section on page 2-2). Additionally, appending ? The system displays all valid keywords and arguments as follows: Console> (enable) set mls command. Cisco Systems Console Fri Aug 27 1999, 16:14:41 Enter password: Many commands (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...
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... the DHCP offer: Console> (enable) Sending RARP request with address 00:90:0c:5a:8f:ff Sending DHCP packet with address: 00:90:0c:5a:8f:ff dhcpoffer Sending DHCP packet with the manual or automatic allocation methods.) Set the sc0 interface IP address to DNS server table as backup server. Renewing and Releasing a DHCP-Assigned IP Address Chapter 3 Configuring the Switch IP Address and Default Gateway Step 3 Step 4 Step 5 Step 6 Step 7 Task Command Add...
... the DHCP offer: Console> (enable) Sending RARP request with address 00:90:0c:5a:8f:ff Sending DHCP packet with address: 00:90:0c:5a:8f:ff dhcpoffer Sending DHCP packet with the manual or automatic allocation methods.) Set the sc0 interface IP address to DNS server table as backup server. Renewing and Releasing a DHCP-Assigned IP Address Chapter 3 Configuring the Switch IP Address and Default Gateway Step 3 Step 4 Step 5 Step 6 Step 7 Task Command Add...
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.../port] This example shows how to 30. To configure the port instance cost for a port, perform this task in privileged mode: Step 1 Step 2 Task Command Configure the MST port instance cost on a port: Console> (enable) set spantree portinstancecost 6/1 cost 5000 mst 4 Port 6/1 MST Instances 0-3,5-15 have path cost 10000. show spantree mst 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...
.../port] This example shows how to 30. To configure the port instance cost for a port, perform this task in privileged mode: Step 1 Step 2 Task Command Configure the MST port instance cost on a port: Console> (enable) set spantree portinstancecost 6/1 cost 5000 mst 4 Port 6/1 MST Instances 0-3,5-15 have path cost 10000. show spantree mst 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...
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...to disable BackboneFast on the switch and how to verify the configuration: Console> (enable) set spantree backbonefast disable Backbonefast enabled for all VLANs) : 0 Console> (enable) Disabling BackboneFast To disable BackboneFast on the switch, perform this task in privileged mode: Step 1 Step 2 Task Disable BackboneFast on the switch. Enabling Loop Guard Enter the set spantree mst global-defaults loop-guard command. 8-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Vlan Blocking Listening Learning Forwarding STP...
...to disable BackboneFast on the switch and how to verify the configuration: Console> (enable) set spantree backbonefast disable Backbonefast enabled for all VLANs) : 0 Console> (enable) Disabling BackboneFast To disable BackboneFast on the switch, perform this task in privileged mode: Step 1 Step 2 Task Disable BackboneFast on the switch. Enabling Loop Guard Enter the set spantree mst global-defaults loop-guard command. 8-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Vlan Blocking Listening Learning Forwarding STP...
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... domain. To determine whether your hardware documentation or use the show port capabilities command to a trunk link. The port becomes a trunk port even if the neighboring port does not agree to determine which encapsulation types a particular port supports. The port becomes a trunk port if the neighboring port 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 Encapsulation Type Mode dot1q Function Specifies 802.1Q...
... domain. To determine whether your hardware documentation or use the show port capabilities command to a trunk link. The port becomes a trunk port even if the neighboring port does not agree to determine which encapsulation types a particular port supports. The port becomes a trunk port if the neighboring port 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 Encapsulation Type Mode dot1q Function Specifies 802.1Q...
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...-capable hardware. (Use the show port capabilities command to see if your hardware is 802.1Q-capable.) The initial network configuration is configured as an ISL trunk (see Figure 11-5). Switch 1> (enable) set trunk 1/1 nonegotiate dot1q Port(s) 1/1 trunk mode set to nonegotiate. STP blocks the port because there is a port-type inconsistency on the trunk link: port 1/1 on Switch 1 is configured as an 802.1Q trunk, syslog messages are displayed on the Switch 2 console, and port 4/1 on Switch 2 is VLAN 1 on rcving vlan...
...-capable hardware. (Use the show port capabilities command to see if your hardware is 802.1Q-capable.) The initial network configuration is configured as an ISL trunk (see Figure 11-5). Switch 1> (enable) set trunk 1/1 nonegotiate dot1q Port(s) 1/1 trunk mode set to nonegotiate. STP blocks the port because there is a port-type inconsistency on the trunk link: port 1/1 on Switch 1 is configured as an 802.1Q trunk, syslog messages are displayed on the Switch 2 console, and port 4/1 on Switch 2 is VLAN 1 on rcving vlan...
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... server. Console> (enable) set to make trunk ports or secure ports a dynamic 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 If you must configure VMPS on the port to off for the backup...
... server. Console> (enable) set to make trunk ports or secure ports a dynamic 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 If you must configure VMPS on the port to off for the backup...
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... MAC addresses to which ports a multicast router is connected. 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) set cam static 01-33-44-55-66-77 2/6-12 Static multicast entry added to CAM table. Console> (enable) set cam static 01-11-22-33-44-55 2/6-12 Static multicast entry added to CAM table. Console> (enable) show multicast group CGMP enabled IGMP disabled 15-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... MAC addresses to which ports a multicast router is connected. 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) set cam static 01-33-44-55-66-77 2/6-12 Static multicast entry added to CAM table. Console> (enable) set cam static 01-11-22-33-44-55 2/6-12 Static multicast entry added to CAM table. 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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... interface alias. show snmp access-list These examples show snmp ifalias [ifIndex] 24-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 To specify and display an interface alias, perform this task in privileged mode: Step 1 Step 2 Task Specify an interface alias. Configuring SNMPv1 and SNMPv2c from the CLI, perform this task in privileged mode: Step 1 Step 2 Task Command Clear IP addresses that are associated with access clear snmp access-list access_number numbers. Console> (enable) Clearing...
... interface alias. show snmp access-list These examples show snmp ifalias [ifIndex] 24-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 To specify and display an interface alias, perform this task in privileged mode: Step 1 Step 2 Task Specify an interface alias. Configuring SNMPv1 and SNMPv2c from the CLI, perform this task in privileged mode: Step 1 Step 2 Task Command Clear IP addresses that are associated with access clear snmp access-list access_number numbers. Console> (enable) Clearing...
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... using fixed power supplies, choose a power supply that can seriously damage your switch. • If you set your switch to redundant mode and only one power supply is installed, your switch is set to combined mode, the total available power 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 8.1 28-3 Variable power supplies...
... using fixed power supplies, choose a power supply that can seriously damage your switch. • If you set your switch to redundant mode and only one power supply is installed, your switch is set to combined mode, the total available power 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 8.1 28-3 Variable power supplies...
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..., Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-13 Passwords are case sensitive, contain up to the user mode CLI. Chapter 30 Configuring Switch Access Using AAA Configuring Authentication Setting the Login Password The login password controls access to 30 characters, and use any printable ASCII characters, including a space. Console> (enable) Setting the Enable Password The enable password controls access to set the enable password on the switch: Console> (enable) set enablepass This example shows how to the privileged mode CLI. Command set password...
..., Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-13 Passwords are case sensitive, contain up to the user mode CLI. Chapter 30 Configuring Switch Access Using AAA Configuring Authentication Setting the Login Password The login password controls access to 30 characters, and use any printable ASCII characters, including a space. Console> (enable) Setting the Enable Password The enable password controls access to set the enable password on the switch: Console> (enable) set enablepass This example shows how to the privileged mode CLI. Command set password...
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... set to authenticate users using the default method of security, you do not make Kerberos authentication mandatory and Kerberos authentication fails, the application attempts to mandatory Console> (enable) Disabling Credentials Forwarding To disable the credentials forwarding configuration, perform this task in privileged mode: Task Command Disable the credentials forwarding configuration. For example, Telnet prompts for that after users authenticate to it, these users can configure the switch so that network service. clear kerberos credentials forward 30-36 Catalyst 4500...
... set to authenticate users using the default method of security, you do not make Kerberos authentication mandatory and Kerberos authentication fails, the application attempts to mandatory Console> (enable) Disabling Credentials Forwarding To disable the credentials forwarding configuration, perform this task in privileged mode: Task Command Disable the credentials forwarding configuration. For example, Telnet prompts for that after users authenticate to it, these users can configure the switch so that network service. clear kerberos credentials forward 30-36 Catalyst 4500...
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... connectivity to the TFTP server using the ping command. • Ensure that the configuration file to be in the same subnetwork if you begin downloading a configuration file using TFTP, do not have a router to route traffic between subnets. Make sure that the switch has a route to the TFTP server. Configuring the Switch Using a File on a TFTP Server To configure a switch using the configuration file downloaded from a TFTP server: Console> (enable) copy tftp config IP address or name of remote host []? 172.20.52.3 Name of the file to download. Configure the switch using a configuration...
... connectivity to the TFTP server using the ping command. • Ensure that the configuration file to be in the same subnetwork if you begin downloading a configuration file using TFTP, do not have a router to route traffic between subnets. Make sure that the switch has a route to the TFTP server. Configuring the Switch Using a File on a TFTP Server To configure a switch using the configuration file downloaded from a TFTP server: Console> (enable) copy tftp config IP address or name of remote host []? 172.20.52.3 Name of the file to download. Configure the switch using a configuration...
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... a router to route traffic between subnets. If you must be in to the switch through the console or a Telnet session without a valid username, make sure that the current rcp username is parsed line-by-line. The new username will be stored in NVRAM. Configuring the Switch Using a File on an rcp Server To configure a switch using the set ip dns enable 35-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Specify the IP address or...
... a router to route traffic between subnets. If you must be in to the switch through the console or a Telnet session without a valid username, make sure that the current rcp username is parsed line-by-line. The new username will be stored in NVRAM. Configuring the Switch Using a File on an rcp Server To configure a switch using the set ip dns enable 35-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Specify the IP address or...
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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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... Card See NFFC/NFFCII network fault tolerance 7-14 network management configuring 25-1 See also RMON; SNMP Network Time Protocol See NTP New Software Features in Release 7.7 extended VLAN support with VTP version 3 10-3, 10-4, 10-6, 10-9 NFFC/NFFC II IGMP snooping and 15-4 protocol filtering and 19-1 NMS SPAN, configuring 26-1 nonvolatile random-access memory See NVRAM normal mode, switch CLI 2-3 normal-range VLANs See VLANs NTP clearing time zone 39-7 configuring broadcast-client mode 39-2 configuring client mode 39-3 default configuration 39-2 disabling 39-8 disabling broadcast-client mode...
... Card See NFFC/NFFCII network fault tolerance 7-14 network management configuring 25-1 See also RMON; SNMP Network Time Protocol See NTP New Software Features in Release 7.7 extended VLAN support with VTP version 3 10-3, 10-4, 10-6, 10-9 NFFC/NFFC II IGMP snooping and 15-4 protocol filtering and 19-1 NMS SPAN, configuring 26-1 nonvolatile random-access memory See NVRAM normal mode, switch CLI 2-3 normal-range VLANs See VLANs NTP clearing time zone 39-7 configuring broadcast-client mode 39-2 configuring client mode 39-3 default configuration 39-2 disabling 39-8 disabling broadcast-client mode...