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... Switches Command Reference Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 xxvii Configuring VoIP Describes how to set the system name, create a login banner, and perform other administrative tasks on the switch. Configuring DNS Describes how to configure local and TACACS+ AAA authentication on the switch. Configuring Switch Access Using Describes how to configure Domain Name System (DNS) on the switch. Modifying the Switch Boot Configuration Describes how to configure inline power...
... Switches Command Reference Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 xxvii Configuring VoIP Describes how to set the system name, create a login banner, and perform other administrative tasks on the switch. Configuring DNS Describes how to configure local and TACACS+ AAA authentication on the switch. Configuring Switch Access Using Describes how to configure Domain Name System (DNS) on the switch. Modifying the Switch Boot Configuration Describes how to configure inline power...
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... arguments or inappropriate arguments. alias dns fragmentation http Set alias for IP Address Set DNS information Set IP fragmentation enable/disable Set IP HTTP server information Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 2-4 78-15908-01 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 keywords and arguments...
... arguments or inappropriate arguments. alias dns fragmentation http Set alias for IP Address Set DNS information Set IP fragmentation enable/disable Set IP HTTP server information Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 2-4 78-15908-01 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 keywords and arguments...
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... the link is set back to spanning tree as dynamic VLAN ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 6-4 78-15908-01 In software releases prior to 6.3(1), traffic was disrupted when you removed a 1-port channel from spanning tree and then added it contains only one port in an EtherChannel is used . EtherChannel Configuration Guidelines and Restrictions Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel the channel...
... the link is set back to spanning tree as dynamic VLAN ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 6-4 78-15908-01 In software releases prior to 6.3(1), traffic was disrupted when you removed a 1-port channel from spanning tree and then added it contains only one port in an EtherChannel is used . EtherChannel Configuration Guidelines and Restrictions Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel the channel...
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... 32. set to forward frames. To configure the port priority for a port, perform this task in privileged mode: Step 1 Step 2 Task Configure the MST port priority for a port. Port 6/1 MST Instances 4 have path cost 5000. The default cost differs for the instances on a port. Console> (enable) 7-52 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 Configuring MST Chapter 7 Configuring Spanning Tree Configuring the MST Port Priority...
... 32. set to forward frames. To configure the port priority for a port, perform this task in privileged mode: Step 1 Step 2 Task Configure the MST port priority for a port. Port 6/1 MST Instances 4 have path cost 5000. The default cost differs for the instances on a port. Console> (enable) 7-52 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 Configuring MST Chapter 7 Configuring Spanning Tree Configuring the MST Port Priority...
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..."Fast-Start" column): Console> (enable) set spantree portfast 4/1 enable Warning:Connecting Layer 2 devices to a fast start port can use PortFast to connect a single end station or a switch port to a switch port. show spantree 4/1 Port Vlan Port-State Cost Prio Portfast Channel_id 4/1 1 blocking 4 32 enabled 0 4/1 100 forwarding 4 32 enabled 0 4/1 521 blocking 4 32 enabled 0 4/1 524 blocking 4 32 enabled 0 4/1 1003 not-connected 4 32 enabled 0 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release...
..."Fast-Start" column): Console> (enable) set spantree portfast 4/1 enable Warning:Connecting Layer 2 devices to a fast start port can use PortFast to connect a single end station or a switch port to a switch port. show spantree 4/1 Port Vlan Port-State Cost Prio Portfast Channel_id 4/1 1 blocking 4 32 enabled 0 4/1 100 forwarding 4 32 enabled 0 4/1 521 blocking 4 32 enabled 0 4/1 524 blocking 4 32 enabled 0 4/1 1003 not-connected 4 32 enabled 0 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release...
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... Software Configuration Guide-Release 8.2GLX 78-15908-01 9-1 You can result in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Command Reference. Configuring VTP CH A P T E R 9 This chapter describes how to configure the VLAN Trunking Protocol (VTP) on a network-wide basis. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by managing the addition, deletion, and renaming of problems, such as duplicate VLAN names, incorrect VLAN-type specifications...
... Software Configuration Guide-Release 8.2GLX 78-15908-01 9-1 You can result in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Command Reference. Configuring VTP CH A P T E R 9 This chapter describes how to configure the VLAN Trunking Protocol (VTP) on a network-wide basis. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by managing the addition, deletion, and renaming of problems, such as duplicate VLAN names, incorrect VLAN-type specifications...
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... 10 Configuring VLANs Configuring Private VLANs • If you enable MAC address reduction on a Catalyst 4500 series switch, you will have to use the default bridge priorities to make sure that the root bridge is added to a private VLAN. • You cannot configure a destination SPAN port as a range. On the edge switches that do not have to be pruned from the trunk. You should disable a root bridge with private VLANs and MAC address reduction, and configure...
... 10 Configuring VLANs Configuring Private VLANs • If you enable MAC address reduction on a Catalyst 4500 series switch, you will have to use the default bridge priorities to make sure that the root bridge is added to a private VLAN. • You cannot configure a destination SPAN port as a range. On the edge switches that do not have to be pruned from the trunk. You should disable a root bridge with private VLANs and MAC address reduction, and configure...
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... enter the set trunk command. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 11-19 Switch 1> (enable) set trunk 1/1 nonegotiate dot1q Port(s) 1/1 trunk mode set to dot1q. Port(s) 1/1 trunk type set to nonegotiate. You must use the nonegotiate keyword when configuring a port as a nontrunk port. Figure 11-5 802.1Q Trunking: Port-Type Inconsistency Port 1/1 Trunk Type: 802.1Q Trunk Mode: nonegotiate Port 4/1 Trunk Type: 802.IQ Trunk Mode: auto Blocking X Switch 1 Port-type Switch...
... enter the set trunk command. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 11-19 Switch 1> (enable) set trunk 1/1 nonegotiate dot1q Port(s) 1/1 trunk mode set to dot1q. Port(s) 1/1 trunk type set to nonegotiate. You must use the nonegotiate keyword when configuring a port as a nontrunk port. Figure 11-5 802.1Q Trunking: Port-Type Inconsistency Port 1/1 Trunk Type: 802.1Q Trunk Mode: nonegotiate Port 4/1 Trunk Type: 802.IQ Trunk Mode: auto Blocking X Switch 1 Port-type Switch...
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... VMPS requests. Console> (enable) Configuring VMPS Clients When you configure a VMPS client, you must complete this task for the backup VMPS server(s). You must configure VMPS on the switch to make trunk ports or secure ports a dynamic port. To configure a VMPS server, perform this task in privileged mode. show port [mod_num[/port_num]] Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 12-7 set vmps server ip_addr Verify the VMPS server specification. You...
... VMPS requests. Console> (enable) Configuring VMPS Clients When you configure a VMPS client, you must complete this task for the backup VMPS server(s). You must configure VMPS on the switch to make trunk ports or secure ports a dynamic port. To configure a VMPS server, perform this task in privileged mode. show port [mod_num[/port_num]] Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 12-7 set vmps server ip_addr Verify the VMPS server specification. You...
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... All ports have 2 transmit queues with 1 drop thresholds (2q1t). Console> (enable) Note Reverting to continue (y/n) [n]? Command set qos disable Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 14-7 Default CoS = 4 Queue and Threshold Mapping: Queue Threshold CoS 1 1 0 1 2 3 2 1 4 5 6 7 Console> Reverting to QoS Defaults To revert to QoS defaults, perform this task: Task Display QoS information. Chapter 14 Configuring QoS Configuring QoS on the switch. Disabling QoS To...
... All ports have 2 transmit queues with 1 drop thresholds (2q1t). Console> (enable) Note Reverting to continue (y/n) [n]? Command set qos disable Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 14-7 Default CoS = 4 Queue and Threshold Mapping: Queue Threshold CoS 1 1 0 1 2 3 2 1 4 5 6 7 Console> Reverting to QoS Defaults To revert to QoS defaults, perform this task: Task Display QoS information. Chapter 14 Configuring QoS Configuring QoS on the switch. Disabling QoS To...
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... table. Console> (enable) show multicast group CGMP enabled IGMP disabled 15-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 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 01-33-44-55-66-77 2/6-12 Static multicast entry added to which ports a multicast router is connected. Console> (enable) set cam {static...
... table. Console> (enable) show multicast group CGMP enabled IGMP disabled 15-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 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 01-33-44-55-66-77 2/6-12 Static multicast entry added to which ports a multicast router is connected. Console> (enable) set cam {static...
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... been removed Console> (enable) Specifying Access Numbers for a host from the CLI, perform this command to access the system. Step 2 Verify the SNMP configuration. To specify an access number for Hosts You can clear community strings by separating each IP address with existing IP Address 172.20.60.7 mask 255.255.255.0 Console> (enable) 24-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 Command set snmp access-list 2 172...
... been removed Console> (enable) Specifying Access Numbers for a host from the CLI, perform this command to access the system. Step 2 Verify the SNMP configuration. To specify an access number for Hosts You can clear community strings by separating each IP address with existing IP Address 172.20.60.7 mask 255.255.255.0 Console> (enable) 24-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 Command set snmp access-list 2 172...
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... Command set Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 24-13 Chapter 24 Configuring SNMP Configuring SNMPv1 and SNMPv2c from the CLI, perform this task in privileged mode: Step 1 Step 2 Task Specify an interface alias. show snmp access-list These examples show how to 64 characters. Console> (enable) Clearing IP Addresses Associated with Access Numbers To clear IP addresses that are associated with access numbers: Console> (enable) clear snmp access-list...
... Command set Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 24-13 Chapter 24 Configuring SNMP Configuring SNMPv1 and SNMPv2c from the CLI, perform this task in privileged mode: Step 1 Step 2 Task Specify an interface alias. show snmp access-list These examples show how to 64 characters. Console> (enable) Clearing IP Addresses Associated with Access Numbers To clear IP addresses that are associated with access numbers: Console> (enable) clear snmp access-list...
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...set your switch to operate in power supply bay 2 (PS2). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 28-3 The power supplies have no power redundancy. • The 1400 W DC power supply does not support combined mode. 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...
...set your switch to operate in power supply bay 2 (PS2). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 28-3 The power supplies have no power redundancy. • The 1400 W DC power supply does not support combined mode. 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...
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...-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 The NAS permits or denies network access to a user based on the response it receives from one that is used by default. If you do the following : • Enable or disable RADIUS authentication to control login access • Enable or disable RADIUS authentication to control enable access • Specify the IP addresses and User Datagram Protocol (UDP) ports of login...
...-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 The NAS permits or denies network access to a user based on the response it receives from one that is used by default. If you do the following : • Enable or disable RADIUS authentication to control login access • Enable or disable RADIUS authentication to control enable access • Specify the IP addresses and User Datagram Protocol (UDP) ports of login...
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...8226; Ensure that is parsed line by line. Make sure that is stored on a TFTP Server To configure a switch using the copy tftp config command or the configure network command. dns-config.cfg Configure using the configuration file that the switch has a route to a TFTP server. 35-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 Configuring the Switch Using a File on a Flash device to the TFTP server. y / Finished network download. (134 bytes) >> >> set ip dns server 172.16.10.70 primary...
...8226; Ensure that is parsed line by line. Make sure that is stored on a TFTP Server To configure a switch using the copy tftp config command or the configure network command. dns-config.cfg Configure using the configuration file that the switch has a route to a TFTP server. 35-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 Configuring the Switch Using a File on a Flash device to the TFTP server. y / Finished network download. (134 bytes) >> >> set ip dns server 172.16.10.70 primary...
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... acting as the rcp server supports the rsh. • Ensure that the switch has a route to the rcp server. Configure the switch using the ping command. • If you are accessing the switch through the console port or a Telnet session. y / Finished network download. (134 bytes) >> >> set ip dns server 172.16.10.70 primary 172.16.10.70 added to DNS server table as backup server. 35-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78...
... acting as the rcp server supports the rsh. • Ensure that the switch has a route to the rcp server. Configure the switch using the ping command. • If you are accessing the switch through the console port or a Telnet session. y / Finished network download. (134 bytes) >> >> set ip dns server 172.16.10.70 primary 172.16.10.70 added to DNS server table as backup server. 35-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78...
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... 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 Simple Server Redundancy Protocol Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide...
... 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 Simple Server Redundancy Protocol Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide...
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... fast-leave processing 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 IN-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908...
... fast-leave processing 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 IN-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908...
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... 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 IN-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 Index M-record 7-15 M-tree 7-15 multicast See IP multicast multicast filter profiles establishing and verifying 15-20 removing...
... 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 IN-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 Index M-record 7-15 M-tree 7-15 multicast See IP multicast multicast filter profiles establishing and verifying 15-20 removing...