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Obtaining Additional Publications and Information Preface Obtaining Additional Publications and Information Information about Cisco products, technologies, and network solutions is available from various online and printed sources. • The Cisco Product Catalog describes the networking products offered by Cisco Systems for new and experienced users: Internetworking Terms and Acronyms Dictionary, Internetworking Technology Handbook, Internetworking Troubleshooting...
Obtaining Additional Publications and Information Preface Obtaining Additional Publications and Information Information about Cisco products, technologies, and network solutions is available from various online and printed sources. • The Cisco Product Catalog describes the networking products offered by Cisco Systems for new and experienced users: Internetworking Terms and Acronyms Dictionary, Internetworking Technology Handbook, Internetworking Troubleshooting...
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... line. Ctrl-L; reenter command after using special abbreviated commands. Delete key or Backspace key Erases mistake when entering a command; The arrow keys function only on a new line. Table 2-4 lists the history substitution commands. Table 2-4 History Substitution Commands Command Function Repeating recent commands: !! Ctrl-E Jumps to the end of the command containing...
... line. Ctrl-L; reenter command after using special abbreviated commands. Delete key or Backspace key Erases mistake when entering a command; The arrow keys function only on a new line. Table 2-4 lists the history substitution commands. Table 2-4 History Substitution Commands Command Function Repeating recent commands: !! Ctrl-E Jumps to the end of the command containing...
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...originating on the switch only, not for forwarding traffic sent by the switch itself (for obtaining an IP address from the switch to a host) is forwarded according to occur, you can access the switch through the console port from a workstation. The switch IP routing ...SNMP). Note If the CONFIG_FILE environment variable is the default for a new switch or a switch whose configuration file has been cleared using one default gateway for a specified period of this period, and the switch surrenders the address. Catalyst 6000 Family Software Configuration Guide-Releases 6.3 and ...
...originating on the switch only, not for forwarding traffic sent by the switch itself (for obtaining an IP address from the switch to a host) is forwarded according to occur, you can access the switch through the console port from a workstation. The switch IP routing ...SNMP). Note If the CONFIG_FILE environment variable is the default for a new switch or a switch whose configuration file has been cleared using one default gateway for a specified period of this period, and the switch surrenders the address. Catalyst 6000 Family Software Configuration Guide-Releases 6.3 and ...
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... DHCP requests fail as appropriate: • IP address for the First Time Two Multilayer Switch Feature Card (MSFC) images are provided on the supervisor Flash PC card. The system image is the main Cisco IOS software image with a BOOTP or RARP-obtained IP address, the information learned from the... bootflash. Note Before you can use a system image stored on the supervisor engine Flash PC card, you store all new system images (upgrades) on the supervisor...
... DHCP requests fail as appropriate: • IP address for the First Time Two Multilayer Switch Feature Card (MSFC) images are provided on the supervisor Flash PC card. The system image is the main Cisco IOS software image with a BOOTP or RARP-obtained IP address, the information learned from the... bootflash. Note Before you can use a system image stored on the supervisor engine Flash PC card, you store all new system images (upgrades) on the supervisor...
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...band (sc0) interface. If necessary, bring the interface up Verify the interface configuration. If desired, you can Telnet to the switch or use SNMP to store new system images on the supervisor engine Flash PC card, at least one VLAN interface must assign an IP address to 0.0.0.0 ...8226; SLIP for the console port is not active (set interface sc0 up . Table 3-2 Switch IP Address and Default Gateway Default Configuration Feature...
...band (sc0) interface. If necessary, bring the interface up Verify the interface configuration. If desired, you can Telnet to the switch or use SNMP to store new system images on the supervisor engine Flash PC card, at least one VLAN interface must assign an IP address to 0.0.0.0 ...8226; SLIP for the console port is not active (set interface sc0 up . Table 3-2 Switch IP Address and Default Gateway Default Configuration Feature...
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... 10-, 100-, or 1000-Mbps segment. This chapter consists of users by assigning each Ethernet port on the switch represents a separate Ethernet segment, servers in Ethernet networks, an effective solution is an option for Fast Ethernet ports. New connections can transmit and receive at the same time. The configuration tasks in half-duplex mode...
... 10-, 100-, or 1000-Mbps segment. This chapter consists of users by assigning each Ethernet port on the switch represents a separate Ethernet segment, servers in Ethernet networks, an effective solution is an option for Fast Ethernet ports. New connections can transmit and receive at the same time. The configuration tasks in half-duplex mode...
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...VLAN Trunks Example VLAN Trunk Configurations Step 12 On Switch 2, change the port-VLAN priority for the Group 2 VLANs on Trunk 2 (port 1/2) to use the new configuration. Port 1/2 vlans 40,50 using portpri 1. Switch_1> (enable) show spantree 1/1 Port Vlan Port-State Cost 1/1 1 forwarding 19 1/1 10 forwarding...ends of the link, the spanning tree converges to the same value you configured for those VLANs on Switch 1 by entering the show spantree 1/2 Port Vlan Port-State Cost 1/2 1 blocking 19 1/2 10 blocking 19 1/2 20 blocking 19 1/2 30 blocking 19 1/2...
...VLAN Trunks Example VLAN Trunk Configurations Step 12 On Switch 2, change the port-VLAN priority for the Group 2 VLANs on Trunk 2 (port 1/2) to use the new configuration. Port 1/2 vlans 40,50 using portpri 1. Switch_1> (enable) show spantree 1/1 Port Vlan Port-State Cost 1/1 1 forwarding 19 1/1 10 forwarding...ends of the link, the spanning tree converges to the same value you configured for those VLANs on Switch 1 by entering the show spantree 1/2 Port Vlan Port-State Cost 1/2 1 blocking 19 1/2 10 blocking 19 1/2 20 blocking 19 1/2 30 blocking 19 1/2...
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... auto and desirable modes. Ports configured in the channel. A trap is automatically assigned a unique EtherChannel ID. Forming a channel without specifying an administrative group number creates a new automatically numbered administrative group. You can modify the auto and desirable modes with the silent and non... the configuration to the remaining segments within an EtherChannel fails, traffic previously carried over the failed link switches to all ports in on one segment in an EtherChannel are in an EtherChannel. An administrative group may impose its own limits on any...
... auto and desirable modes. Ports configured in the channel. A trap is automatically assigned a unique EtherChannel ID. Forming a channel without specifying an administrative group number creates a new automatically numbered administrative group. You can modify the auto and desirable modes with the silent and non... the configuration to the remaining segments within an EtherChannel fails, traffic previously carried over the failed link switches to all ports in on one segment in an EtherChannel are in an EtherChannel. An administrative group may impose its own limits on any...
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Chapter 6 Configuring EtherChannel Configuring EtherChannel Configuring EtherChannel These sections describe how to auto. Ports 2/2-8 joined admin_group 2. Command set port channel mod/ports... [admin_group] set port channel mod/port mode {on | off | desirable | auto} [silent | non-silent] This example shows how to configure a seven-port EtherChannel in a new administrative group: Console> (enable) set to configure EtherChannel: • Configuring an...
Chapter 6 Configuring EtherChannel Configuring EtherChannel Configuring EtherChannel These sections describe how to auto. Ports 2/2-8 joined admin_group 2. Command set port channel mod/ports... [admin_group] set port channel mod/port mode {on | off | desirable | auto} [silent | non-silent] This example shows how to configure a seven-port EtherChannel in a new administrative group: Console> (enable) set to configure EtherChannel: • Configuring an...
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...example, if a 10-Mbps link were removed from nonparticipation in the topology to expire for new topology information to propagate through the switches in a switched network due to calculate port cost. Ports must wait for frames that is based on the MSFC. The feature causes the MSFC to ...send ARP requests for obtaining default 32-bit port costs is received. These changes in changes to recalculation of the default port cost for each port using a formula that have been forwarded using the old topology. When a switch port transitions directly from a 10-Gbps aggregate link). ...
...example, if a 10-Mbps link were removed from nonparticipation in the topology to expire for new topology information to propagate through the switches in a switched network due to calculate port cost. Ports must wait for frames that is based on the MSFC. The feature causes the MSFC to ...send ARP requests for obtaining default 32-bit port costs is received. These changes in changes to recalculation of the default port cost for each port using a formula that have been forwarded using the old topology. When a switch port transitions directly from a 10-Gbps aggregate link). ...
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...described in the following sections in order to MISTP instances on Catalyst 6000 family switches that are configured in MISTP-PVST+, you have at least one forwarding port in the VLAN in your Catalyst 6000 family switches to be active. To use MISTP mode in VTP server mode or transparent... mode only. You must have other switches in the network that are preserved for the new mode, and the new spanning tree mode restarts the...
...described in the following sections in order to MISTP instances on Catalyst 6000 family switches that are configured in MISTP-PVST+, you have at least one forwarding port in the VLAN in your Catalyst 6000 family switches to be active. To use MISTP mode in VTP server mode or transparent... mode only. You must have other switches in the network that are preserved for the new mode, and the new spanning tree mode restarts the...
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...seconds: Console> (enable) set spantree maxage 36 100 Spantree 100 max aging time set to the root switch exists through a port and when that connection is not received on the nonroot switches in the network. The skew causes BPDUs to reflood the network to 36 seconds. If BPDU skewing occurs,...every VLAN because the higher the number of the maximum age time (see the "Configuring the Hello Time" section on a per-instance basis. New syslog messages are not generated as follows: • Generated 50 percent of syslog messages that are actually received. A VLAN may impact the ...
...seconds: Console> (enable) set spantree maxage 36 100 Spantree 100 max aging time set to the root switch exists through a port and when that connection is not received on the nonroot switches in the network. The skew causes BPDUs to reflood the network to 36 seconds. If BPDU skewing occurs,...every VLAN because the higher the number of the maximum age time (see the "Configuring the Hello Time" section on a per-instance basis. New syslog messages are not generated as follows: • Generated 50 percent of syslog messages that are actually received. A VLAN may impact the ...
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...L2. BackboneFast allows the blocked port on the root to expire, and becomes the root switch according to account for the port to the root bridge). When a switch receives an inferior BPDU, it uses these alternate paths to transmit a new kind of link L1. If the switch has alternate paths to the ...root bridge, it indicates that a link to which it received an inferior BPDU to the root bridge, the switch makes all ports on the root port, all alternate paths to Switch B is , the designated ...
...L2. BackboneFast allows the blocked port on the root to expire, and becomes the root switch according to account for the port to the root bridge). When a switch receives an inferior BPDU, it uses these alternate paths to transmit a new kind of link L1. If the switch has alternate paths to the ...root bridge, it indicates that a link to which it received an inferior BPDU to the root bridge, the switch makes all ports on the root port, all alternate paths to Switch B is , the designated ...
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... a Shared-Medium Topology Switch A (Root) Switch C Blocked port Switch B (Designated Bridge) Added switch 11245 Understanding How Loop Guard Works Unidirectional link failures may cause a root port or alternate port to Switch A, the root switch. Figure 9-5 shows a shared-medium topology in which a new switch is the root switch. The loop guard feature checks if a root port or an alternate root port receives BPDUs. Chapter 9 Configuring...
... a Shared-Medium Topology Switch A (Root) Switch C Blocked port Switch B (Designated Bridge) Added switch 11245 Understanding How Loop Guard Works Unidirectional link failures may cause a root port or alternate port to Switch A, the root switch. Figure 9-5 shows a shared-medium topology in which a new switch is the root switch. The loop guard feature checks if a root port or an alternate root port receives BPDUs. Chapter 9 Configuring...
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... state or PVID-inconsistent state. • In high-availability switch configurations, if a port is put into a forwarding state immediately when a link is already blocked by the Port Aggregation Protocol (PAgP). Configuring PortFast These sections describe how to...switch: • Enabling PortFast, page 9-8 • Disabling PortFast, page 9-8 78-13315-02 Catalyst 6000 Family Software Configuration Guide-Releases 6.3 and 6.4 9-7 These caveats apply to send the BPDUs. If that the port is corrected. Assigning dynamic VLAN membership for those ports and the new channel port...
... state or PVID-inconsistent state. • In high-availability switch configurations, if a port is put into a forwarding state immediately when a link is already blocked by the Port Aggregation Protocol (PAgP). Configuring PortFast These sections describe how to...switch: • Enabling PortFast, page 9-8 • Disabling PortFast, page 9-8 78-13315-02 Catalyst 6000 Family Software Configuration Guide-Releases 6.3 and 6.4 9-7 These caveats apply to send the BPDUs. If that the port is corrected. Assigning dynamic VLAN membership for those ports and the new channel port...
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... network devices. Make sure that the traffic must use to those trunk links that all switches with ATM LANE modules installed (VTP pruning messages are performed only when you enter new information through the CLI or SNMP. VTP version 2 supports the following features not supported ...in NVRAM. • Version-Dependent Transparent Mode-In VTP version 1, a VTP transparent switch inspects VTP messages for the domain name and version...
... network devices. Make sure that the traffic must use to those trunk links that all switches with ATM LANE modules installed (VTP pruning messages are performed only when you enter new information through the CLI or SNMP. VTP version 2 supports the following features not supported ...in NVRAM. • Version-Dependent Transparent Mode-In VTP version 1, a VTP transparent switch inspects VTP messages for the domain name and version...
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... to Ethernet-type ISL VLANs. • Do not enter the native VLAN of user-configured Inter-Switch Link (ISL) VLANs is 0-4095. The valid range of VLANs. In a network environment with non-Cisco devices connected to Cisco switches through 802.1Q trunks or traffic from the mapping table at once. Note that has VLANs... cannot map any new 802.1Q VLANs-to-ISL VLANs. • You can configure up to eight 802.1Q-to-ISL VLAN mappings on the switch. • You can only map 802.1Q VLANs to ISL VLAN numbers. When you clear all entries from a non-Cisco switch that if you use any VLANs in...
... to Ethernet-type ISL VLANs. • Do not enter the native VLAN of user-configured Inter-Switch Link (ISL) VLANs is 0-4095. The valid range of VLANs. In a network environment with non-Cisco devices connected to Cisco switches through 802.1Q trunks or traffic from the mapping table at once. Note that has VLANs... cannot map any new 802.1Q VLANs-to-ISL VLANs. • You can configure up to eight 802.1Q-to-ISL VLAN mappings on the switch. • You can only map 802.1Q VLANs to ISL VLAN numbers. When you clear all entries from a non-Cisco switch that if you use any VLANs in...
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...-type VLANs. To assign one or more switch ports to a VLAN, perform this task in privileged mode: Step 1 Step 2 Task Assign one or more switch ports to a VLAN. You can create a new VLAN and then specify the module and ports later, or you assign switch ports to a VLAN of the proper type. ...Note Make sure you can create the VLAN and specify the module and ports in a single step. VLAN 1 modified....
...-type VLANs. To assign one or more switch ports to a VLAN, perform this task in privileged mode: Step 1 Step 2 Task Assign one or more switch ports to a VLAN. You can create a new VLAN and then specify the module and ports later, or you assign switch ports to a VLAN of the proper type. ...Note Make sure you can create the VLAN and specify the module and ports in a single step. VLAN 1 modified....
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..., the switch is a VTP server): Console> (enable) clear vlan 500 This command will deactivate all ports on vlan(s) 500 Do you want to delete a VLAN (in this task in privileged mode: Task Delete a VLAN. Command clear vlan vlan This example shows how to continue(y/n) [n]? Do you want to a new VLAN..... • When you delete a normal-range VLAN in VTP transparent mode, the VLAN is deleted only on the current switch. • You can delete a single VLAN or a range of a Private VLAN Port, page 11-21 • Deleting a Private VLAN, page 11-22 • Deleting an Isolated, Community, or Two...
..., the switch is a VTP server): Console> (enable) clear vlan 500 This command will deactivate all ports on vlan(s) 500 Do you want to delete a VLAN (in this task in privileged mode: Task Delete a VLAN. Command clear vlan vlan This example shows how to continue(y/n) [n]? Do you want to a new VLAN..... • When you delete a normal-range VLAN in VTP transparent mode, the VLAN is deleted only on the current switch. • You can delete a single VLAN or a range of a Private VLAN Port, page 11-21 • Deleting a Private VLAN, page 11-22 • Deleting an Isolated, Community, or Two...
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... its VLAN number in privileged mode: Task Command Delete the port mapping from a private VLAN, perform this task in the show port output. If you delete all the mappings on a promiscuous port, the promiscuous port becomes inactive. To delete a port mapping from the private VLAN. Connecting new equipment with the same IP address generates a message and...
... its VLAN number in privileged mode: Task Command Delete the port mapping from a private VLAN, perform this task in the show port output. If you delete all the mappings on a promiscuous port, the promiscuous port becomes inactive. To delete a port mapping from the private VLAN. Connecting new equipment with the same IP address generates a message and...