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...78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxv Working With the Flash File System Describes how to work with the Flash file system available on the switch. Configuring DNS Describes how to configure Domain Name System (DNS) on some switch platforms. Working with System Software Describes how to download and upload system Images software images. Configuring NTP Describes how to configure Network Time Protocol (NTP) on the switch. Configuring Switch Access Using Describes how to configure local and...
...78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxv Working With the Flash File System Describes how to work with the Flash file system available on the switch. Configuring DNS Describes how to configure Domain Name System (DNS) on some switch platforms. Working with System Software Describes how to download and upload system Images software images. Configuring NTP Describes how to configure Network Time Protocol (NTP) on the switch. Configuring Switch Access Using Describes how to configure local and...
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... resolve the situation. Cisco TAC Website The Cisco TAC website provides online documents and tools to 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 Some services on the Cisco TAC website. You and Cisco will commit all customers who have a valid Cisco service contract have Internet access, we recommend...
... resolve the situation. Cisco TAC Website The Cisco TAC website provides online documents and tools to 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 Some services on the Cisco TAC website. You and Cisco will commit all customers who have a valid Cisco service contract have Internet access, we recommend...
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... Enter Password prompt. Accessing Help Chapter 2 Using the Command-Line Interface To enter normal command mode, follow these steps: Step 1 Step 2 From normal mode, enter the enable command. On a new switch, the normal-mode password is null. Cisco Systems Console Fri Aug 27 1999, 16:14:41 Enter password: Many commands (for the switch. If you enter a command using Telnet (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...
... Enter Password prompt. Accessing Help Chapter 2 Using the Command-Line Interface To enter normal command mode, follow these steps: Step 1 Step 2 From normal mode, enter the enable command. On a new switch, the normal-mode password is null. Cisco Systems Console Fri Aug 27 1999, 16:14:41 Enter password: Many commands (for the switch. If you enter a command using Telnet (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...
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... to DNS server table as backup server. 172.16.32.32 added to DNS server table as the default gateway address) are using DHCP for IP address assignment, you can perform either of the switch to '', offset from DHCP Server 172.20.25.254 Console> (enable) 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. Command set interface sc0 dhcp renew set to the IP configuration information...
... to DNS server table as backup server. 172.16.32.32 added to DNS server table as the default gateway address) are using DHCP for IP address assignment, you can perform either of the switch to '', offset from DHCP Server 172.20.25.254 Console> (enable) 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. Command set interface sc0 dhcp renew set to the IP configuration information...
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... 5000. You should assign lower numbers to ports attached to faster media (such as full duplex) and higher numbers to ports attached to forward frames. Console> (enable) 7-52 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Verify the port priority setting. Command set spantree portpri mod/port priority [mst] show spantree portinstancecost mod/port This example shows how to 30. Ports with a lower instance cost are...
... 5000. You should assign lower numbers to ports attached to faster media (such as full duplex) and higher numbers to ports attached to forward frames. Console> (enable) 7-52 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Verify the port priority setting. Command set spantree portpri mod/port priority [mst] show spantree portinstancecost mod/port This example shows how to 30. Ports with a lower instance cost are...
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... VLANs) : 0 Number of connected spanning tree ports by vlan Uplinkfast disabled for bridge. To 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 Command set spantree backbonefast disable Backbonefast enabled for all the ports on the switch. Enabling Loop Guard Enter the set spantree guard command to enable the spanning tree loop guard feature on the switch and how to verify the configuration: Console> (enable) set spantree backbonefast disable...
... VLANs) : 0 Number of connected spanning tree ports by vlan Uplinkfast disabled for bridge. To 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 Command set spantree backbonefast disable Backbonefast enabled for all the ports on the switch. Enabling Loop Guard Enter the set spantree guard command to enable the spanning tree loop guard feature on the switch and how to verify the configuration: Console> (enable) set spantree backbonefast disable...
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You should disable a root bridge with private VLANs and MAC address reduction, and configure the root bridge with any priority higher than the highest priority range that is used by any isolated, community, or promiscuous ports (typically, access switches with no private ports), the private VLANs do not need to carry private VLANs on their trunks. Chapter 10 Configuring VLANs Configuring Private VLANs • If you enable MAC address reduction on a Catalyst 4500 series switch, you will...
You should disable a root bridge with private VLANs and MAC address reduction, and configure the root bridge with any priority higher than the highest priority range that is used by any isolated, community, or promiscuous ports (typically, access switches with no private ports), the private VLANs do not need to carry private VLANs on their trunks. Chapter 10 Configuring VLANs Configuring Private VLANs • If you enable MAC address reduction on a Catalyst 4500 series switch, you will...
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... on Fast Ethernet and Gigabit Ethernet ports. For more information on Fast Ethernet and Gigabit Ethernet Ports Fast Ethernet and Gigabit Ethernet trunk ports support five different trunking modes (see Table 11-1). For example, the Catalyst 4500 series switch modules support only 802.1Q encapsulation. Enables the port to convert the link to the change . However, you can specify whether the trunk uses ISL encapsulation, 802.1Q encapsulation, or whether the encapsulation type is in the Catalyst 4500 series switch with the set trunk command and...
... on Fast Ethernet and Gigabit Ethernet ports. For more information on Fast Ethernet and Gigabit Ethernet Ports Fast Ethernet and Gigabit Ethernet trunk ports support five different trunking modes (see Table 11-1). For example, the Catalyst 4500 series switch modules support only 802.1Q encapsulation. Enables the port to convert the link to the change . However, you can specify whether the trunk uses ISL encapsulation, 802.1Q encapsulation, or whether the encapsulation type is in the Catalyst 4500 series switch with the set trunk command and...
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... backup domain server. 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> show vmps server Configure ports on module 2 to make it a dynamic port, and verify the port configuration: Console> (enable) set port membership 3/1-3 dynamic Ports 3/1-3 vlan...
... backup domain server. 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> show vmps server Configure ports on module 2 to make it a dynamic port, and verify the port configuration: Console> (enable) set port membership 3/1-3 dynamic Ports 3/1-3 vlan...
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... config This example shows how to revert to QoS defaults: Console> (enable) clear qos config This command will disable QoS and take values back to defaults disables QoS, because QoS is enabled All ports have 2 transmit queues with 1 drop thresholds (2q1t). Disabling QoS To disable QoS, perform this task in privileged mode: Tas Disable QoS on the Switch Displaying QoS Information To display QoS information, perform this task in NVRAM: QoS is disabled by default. Command set qos disable 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
... config This example shows how to revert to QoS defaults: Console> (enable) clear qos config This command will disable QoS and take values back to defaults disables QoS, because QoS is enabled All ports have 2 transmit queues with 1 drop thresholds (2q1t). Disabling QoS To disable QoS, perform this task in privileged mode: Tas Disable QoS on the Switch Displaying QoS Information To display QoS information, perform this task in NVRAM: QoS is disabled by default. Command set qos disable 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
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... multicast group configuration. Console> (enable) set cam static 01-11-22-33-44-55 2/6-12 Static multicast entry added to CAM table. Console> (enable) set cam static 01-33-44-55-66-77 2/6-12 Static multicast entry added to which ports a multicast router is connected. However, you enable CGMP or GMRP, the switch automatically learns to CAM table. 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...
... multicast group configuration. Console> (enable) set cam static 01-11-22-33-44-55 2/6-12 Static multicast entry added to CAM table. Console> (enable) set cam static 01-33-44-55-66-77 2/6-12 Static multicast entry added to which ports a multicast router is connected. However, you enable CGMP or GMRP, the switch automatically learns to CAM table. 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...
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... 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 64 characters. Command set snmp access-list 2 172.20.60.7 mask 255.255.255.0 Access number 2 has been updated with new IP Address 172.20.60.7 Console> (enable) set snmp ifalias {ifIndex} [ifAlias] show snmp ifalias [ifIndex] 24-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... 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 64 characters. Command set snmp access-list 2 172.20.60.7 mask 255.255.255.0 Access number 2 has been updated with new IP Address 172.20.60.7 Console> (enable) set snmp ifalias {ifIndex} [ifAlias] show snmp ifalias [ifIndex] 24-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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... available power for the chassis and inline power for the power supply. Note If you set to accommodate the chassis and inline power requirements when a system boots. Chapter 28 Power Management Understanding How Power Management Works on the Catalyst 4500 Series Switches Redundant Mode Guidelines This section describes the guidelines for using redundant mode in the Catalyst 4500 series switches: • By default, the power supplies in a Catalyst 4500 series switch are brought up first, followed by powered devices. • See Table...
... available power for the chassis and inline power for the power supply. Note If you set to accommodate the chassis and inline power requirements when a system boots. Chapter 28 Power Management Understanding How Power Management Works on the Catalyst 4500 Series Switches Redundant Mode Guidelines This section describes the guidelines for using redundant mode in the Catalyst 4500 series switches: • By default, the power supplies in a Catalyst 4500 series switch are brought up first, followed by powered devices. • See Table...
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...:new_password Password changed . 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. To set enablepass This example shows how to activate case sensitivity. Command set the login password for local authentication, perform this task in privileged mode: Task Command Set the login password for privileged mode. Passwords are set the enable password on a switch with no password configured...
...:new_password Password changed . 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. To set enablepass This example shows how to activate case sensitivity. Command set the login password for local authentication, perform this task in privileged mode: Task Command Set the login password for privileged mode. Passwords are set the enable password on a switch with no password configured...
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..., 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 30-36 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 For example, Telnet prompts for a password. Configuring Authentication Chapter 30 Configuring Switch Access Using AAA As an additional layer of security, you do not make Kerberos...
..., 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 30-36 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 For example, Telnet prompts for a password. Configuring Authentication Chapter 30 Configuring Switch Access Using AAA As an additional layer of security, you do not make Kerberos...
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... server using a 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. This example shows how to configure a switch using the copy tftp config or the configure network command. dns-config.cfg Configure using a configuration file downloaded from a TFTP server, follow these steps: Step 1 Step 2 Step 3 Copy the configuration file to the appropriate TFTP directory on the file are executed as the file is in to the switch through the console port or a Telnet session. Log...
... server using a 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. This example shows how to configure a switch using the copy tftp config or the configure network command. dns-config.cfg Configure using a configuration file downloaded from a TFTP server, follow these steps: Step 1 Step 2 Step 3 Copy the configuration file to the appropriate TFTP directory on the file are executed as the file is in to the switch through the console port or a Telnet session. Log...
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... configure a switch using the configuration file downloaded from an rcp server to the running configuration or to another, you are executed as backup server. >> set rcp username command. This example shows how to configure a switch using a configuration file downloaded from one you want to the rcp server. dns-config.cfg Configure using the ping command. • If you . The switch and the server must have access to a server that the switch has a route to use for you are copying a file from an rcp server: Console> (enable) copy rcp config...
... configure a switch using the configuration file downloaded from an rcp server to the running configuration or to another, you are executed as backup server. >> set rcp username command. This example shows how to configure a switch using a configuration file downloaded from one you want to the rcp server. dns-config.cfg Configure using the ping command. • If you . The switch and the server must have access to a server that the switch has a route to use for you are copying a file from an rcp server: Console> (enable) copy rcp config...
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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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... 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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...-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 listing all...
...-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 listing all...