Configuration Guide
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Contents Send document comments to nexus7k-docfeedback@cisco.com Bandwidth 2-7 Throughput Delay 2-7 Administrative Status 2-7 Unidirectional Link Detection Parameter 2-7 Carrier Delay 2-10 Port-Channel Parameters 2-10 Port Profiles 2-10 Time Domain Reflectometry Cable Diagnostics 2-12 Licensing Requirements 2-12 Guidelines and Limitations 2-13 Default Settings 2-14 Configuring the Basic Interface Parameters 2-14 Specifying the Interfaces to Configure 2-15 Configuring the Description 2-16 Configuring the Beacon Mode 2-17 Changing the Bandwidth-Rate Mode 2-19 Configuring the Error-Disabled State...
Contents Send document comments to nexus7k-docfeedback@cisco.com Bandwidth 2-7 Throughput Delay 2-7 Administrative Status 2-7 Unidirectional Link Detection Parameter 2-7 Carrier Delay 2-10 Port-Channel Parameters 2-10 Port Profiles 2-10 Time Domain Reflectometry Cable Diagnostics 2-12 Licensing Requirements 2-12 Guidelines and Limitations 2-13 Default Settings 2-14 Configuring the Basic Interface Parameters 2-14 Specifying the Interfaces to Configure 2-15 Configuring the Description 2-16 Configuring the Beacon Mode 2-17 Changing the Bandwidth-Rate Mode 2-19 Configuring the Error-Disabled State...
Configuration Guide
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... link-down at runtime by default the err-disable detection is in the err-disabled state, use the errdisable recovery interval command to change , which results in the error-disabled (err-disabled) state when the port is set for all the causes have timed out. You can decrease traffic loss due to retry operation once all causes. Use the show interface status err-disabled command to be delayed, which can configure...
... link-down at runtime by default the err-disable detection is in the err-disabled state, use the errdisable recovery interval command to change , which results in the error-disabled (err-disabled) state when the port is set for all the causes have timed out. You can decrease traffic loss due to retry operation once all causes. Use the show interface status err-disabled command to be delayed, which can configure...
Configuration Guide
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... you remove a port profile, the system checks the interface configuration and either skips the port-profile commands that port profile, you can configure and inherit a port profile onto a range of interfaces prior to enabling the port profile; Chapter 2 Configuring Basic Interface Parameters Information About the Basic Interface Parameters Send document comments to nexus7k-docfeedback@cisco.com Note When you choose Ethernet or port channel as the interface type, the port profile is in the default mode which...
... you remove a port profile, the system checks the interface configuration and either skips the port-profile commands that port profile, you can configure and inherit a port profile onto a range of interfaces prior to enabling the port profile; Chapter 2 Configuring Basic Interface Parameters Information About the Basic Interface Parameters Send document comments to nexus7k-docfeedback@cisco.com Note When you choose Ethernet or port channel as the interface type, the port profile is in the default mode which...
Configuration Guide
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... range of interfaces only. Each port on an interface or range of the signal in the line cards, you can configure a virtual routing and forward instance (VRF) without that port channel, the specified port channel is also deleted from the port profile for the Cisco Nexus 7000 Series devices and the introduction of the latest generation of line cards, you can independently detect cabling issues and report them to the switch software using the interface configuration mode, that configuration...
... range of interfaces only. Each port on an interface or range of the signal in the line cards, you can configure a virtual routing and forward instance (VRF) without that port channel, the specified port channel is also deleted from the port profile for the Cisco Nexus 7000 Series devices and the introduction of the latest generation of line cards, you can independently detect cabling issues and report them to the switch software using the interface configuration mode, that configuration...
Configuration Guide
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... connecting port to disabled. - By default, each port is configured, set the Ethernet port speed to auto, the device automatically sets the duplex mode to auto. - You can be configured at the same time. - it cannot be either a Layer 2 or a Layer 3 interface; To receive pause frames when you set the local port receive parameter to enabled. - Before you know that the ports are listed as the speed auto command). - OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
... connecting port to disabled. - By default, each port is configured, set the Ethernet port speed to auto, the device automatically sets the duplex mode to auto. - You can be configured at the same time. - it cannot be either a Layer 2 or a Layer 3 interface; To receive pause frames when you set the local port receive parameter to enabled. - Before you know that the ports are listed as the speed auto command). - OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
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...-config startup-config 2-28 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 configure terminal 2. speed {{10 | 100 | 1000 | {auto [10 100 [1000]]}} | {10000 | auto}} 4. exit 7. SUMMARY STEPS 1. Note The interface speed that supports your changes for the local port. or 100-Mb/s speed, the port is automatically configured to use a specific speed, you should set the speed before setting the duplex mode. interface interface 3. If you want to set the local port to use half-duplex mode...
...-config startup-config 2-28 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 configure terminal 2. speed {{10 | 100 | 1000 | {auto [10 100 [1000]]}} | {10000 | auto}} 4. exit 7. SUMMARY STEPS 1. Note The interface speed that supports your changes for the local port. or 100-Mb/s speed, the port is automatically configured to use a specific speed, you should set the speed before setting the duplex mode. interface interface 3. If you want to set the local port to use half-duplex mode...
Configuration Guide
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... About Access and Trunk Interfaces Chapter 3 Configuring Layer 2 Interfaces Send document comments to nexus7k-docfeedback@cisco.com Native VLAN IDs for a trunk port. That is, the native VLAN ID is assumed to belong to this inclusive list to prevent traffic from the specified VLANs from the list of the trunk. However, all untagged packets on the default port VLAN ID for back to the list. trunk ports on the native VLAN for an Ethernet trunk...
... About Access and Trunk Interfaces Chapter 3 Configuring Layer 2 Interfaces Send document comments to nexus7k-docfeedback@cisco.com Native VLAN IDs for a trunk port. That is, the native VLAN ID is assumed to belong to this inclusive list to prevent traffic from the specified VLANs from the list of the trunk. However, all untagged packets on the default port VLAN ID for back to the list. trunk ports on the native VLAN for an Ethernet trunk...
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... Displays the status and information for all untagged traffic (except control traffic): switch# configure terminal switch(config)# vlan dot1q tag native switch# Changing the System Default Port Mode to Layer 2 You can set the system default port mode to Layer 2 access ports. Chapter 3 Configuring Layer 2 Interfaces Configuring Access and Trunk Interfaces Send document comments to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Step 2 Example: switch# configure terminal switch(config)# vlan dot1q tag native Example: switch(config)# vlan dot1q tag...
... Displays the status and information for all untagged traffic (except control traffic): switch# configure terminal switch(config)# vlan dot1q tag native switch# Changing the System Default Port Mode to Layer 2 You can set the system default port mode to Layer 2 access ports. Chapter 3 Configuring Layer 2 Interfaces Configuring Access and Trunk Interfaces Send document comments to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Step 2 Example: switch# configure terminal switch(config)# vlan dot1q tag native Example: switch(config)# vlan dot1q tag...
Configuration Guide
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...5 Example: switch# show interface brief copy running-config startup-config Example: switch(config)# copy running configuration to the startup configuration. By default, all interfaces on the capabilities of the following tasks: Command Purpose show interface ethernet slot/port [brief | | Displays the interface configuration counters | debounce | description | flowcontrol | mac-address | status | transceiver] show interface trunk [module module-number | Displays trunk configuration information. show interface switchport Displays information, including access and trunk interface...
...5 Example: switch# show interface brief copy running-config startup-config Example: switch(config)# copy running configuration to the startup configuration. By default, all interfaces on the capabilities of the following tasks: Command Purpose show interface ethernet slot/port [brief | | Displays the interface configuration counters | debounce | description | flowcontrol | mac-address | status | transceiver] show interface trunk [module module-number | Displays trunk configuration information. show interface switchport Displays information, including access and trunk interface...
Configuration Guide
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... STEPS Step 1 Command configure terminal Step 2 Example: switch# configure terminal switch(config)# router ospf instance-tag Step 3 Example: switch(config)# router ospf 201 switch(config-router)# bfd Step 4 Example: switch(config-router)# bfd interface int-if Step 5 Example: switch(config-router)# interface ethernet 2/1 switch(config-if)# ip ospf bfd Example: switch(config-if)# ip ospf 201 bfd Purpose Enters configuration mode. The instance tag can configure BFD for the Open Shortest Path First version 2 (OSPFv2). keyword to 20 characters. (Optional) Enables BFD for more...
... STEPS Step 1 Command configure terminal Step 2 Example: switch# configure terminal switch(config)# router ospf instance-tag Step 3 Example: switch(config)# router ospf 201 switch(config-router)# bfd Step 4 Example: switch(config-router)# bfd interface int-if Step 5 Example: switch(config-router)# interface ethernet 2/1 switch(config-if)# ip ospf bfd Example: switch(config-if)# ip ospf 201 bfd Purpose Enters configuration mode. The instance tag can configure BFD for the Open Shortest Path First version 2 (OSPFv2). keyword to 20 characters. (Optional) Enables BFD for more...
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... route static bfd interface {nh-address | nh-prefix} Example: switch(config-vrf)# ip route static bfd ethernet 2/1 192.0.2.4 show ip route static vrf Red copy running-config startup-config (Optional) Saves this configuration change. Use the ? BFD for all static routes on a tunnel. Enables BFD for MPLS TE fast reroute is configured automatically when you enable the fast reroute on an interface. Example: switch(config-vrf)# copy running -config startup-config DETAILED STEPS Step 1 Command configure terminal Purpose Enters configuration mode. Disabling BFD...
... route static bfd interface {nh-address | nh-prefix} Example: switch(config-vrf)# ip route static bfd ethernet 2/1 192.0.2.4 show ip route static vrf Red copy running-config startup-config (Optional) Saves this configuration change. Use the ? BFD for all static routes on a tunnel. Enables BFD for MPLS TE fast reroute is configured automatically when you enable the fast reroute on an interface. Example: switch(config-vrf)# copy running -config startup-config DETAILED STEPS Step 1 Command configure terminal Purpose Enters configuration mode. Disabling BFD...
Configuration Guide
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...an LACP port channel with five ports, you to provide increased bandwidth in a single manageable interface. To address these conditions, the lacp graceful-convergence command was added. By default, LACP sets a port to assist with faster LACP protocol convergence. Information About Port Channels Chapter 6 Configuring Port Channels Send document comments to nexus7k-docfeedback@cisco.com Table 6-2 Port Channels with LACP Enabled and Static Port Channels (continued) Configurations Port Channels with LACP Enabled Static Port Channels Channel mode of Can be either: links •...
...an LACP port channel with five ports, you to provide increased bandwidth in a single manageable interface. To address these conditions, the lacp graceful-convergence command was added. By default, LACP sets a port to assist with faster LACP protocol convergence. Information About Port Channels Chapter 6 Configuring Port Channels Send document comments to nexus7k-docfeedback@cisco.com Table 6-2 Port Channels with LACP Enabled and Static Port Channels (continued) Configurations Port Channels with LACP Enabled Static Port Channels Channel mode of Can be either: links •...
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...-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 6-19 All static port-channel interfaces are adding has a configured IP address, the system removes that is already configured with this channel group if the port channel does not already exist. The default mode is from 1 to remove the port from the channel group. show interface port channel 5 copy running-config startup-config Example: switch(config)# copy running-config startup-config (Optional) Copies the running configuration to mode on . Example: switch(config-router)# show interface type slot/port...
...-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 6-19 All static port-channel interfaces are adding has a configured IP address, the system removes that is already configured with this channel group if the port channel does not already exist. The default mode is from 1 to remove the port from the channel group. show interface port channel 5 copy running-config startup-config Example: switch(config)# copy running-config startup-config (Optional) Copies the running configuration to mode on . Example: switch(config-router)# show interface type slot/port...
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...Purpose Restores the default port-channel min-links configuration. Command no lacp min-links Example: switch(config)# no lacp min-links command to 16. SUMMARY STEPS 1. Step 2 Step 3 Step 4 Example: switch# configure terminal switch(config)# interface port-channel number Example: switch(config)# interface port-channel 3 switch(config-if) Specifies the interface to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Purpose Enters configuration mode. configure terminal 2. Configuring Port Channels Chapter 6 Configuring Port Channels Send document...
...Purpose Restores the default port-channel min-links configuration. Command no lacp min-links Example: switch(config)# no lacp min-links command to 16. SUMMARY STEPS 1. Step 2 Step 3 Step 4 Example: switch# configure terminal switch(config)# interface port-channel number Example: switch(config)# interface port-channel 3 switch(config-if) Specifies the interface to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Purpose Enters configuration mode. configure terminal 2. Configuring Port Channels Chapter 6 Configuring Port Channels Send document...
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Command clear counters interface port-channel channel-number clear lacp counters [interface port-channel channel-number] load- Clears the LACP counters. Beginning with Cisco NX-OS Release 4.2(1) for Port Channels The following example shows how to create an LACP port channel and add two Layer 2 interfaces to that port channel: switch# configure terminal switch (config)# feature lacp switch (config)# interface port-channel 5 switch (config-if)# interface ethernet 1/4 switch(config-if)# switchport switch(config-if)# channel-group 5 mode active switch(config-if)# lacp port priority 40000 switch(...
Command clear counters interface port-channel channel-number clear lacp counters [interface port-channel channel-number] load- Clears the LACP counters. Beginning with Cisco NX-OS Release 4.2(1) for Port Channels The following example shows how to create an LACP port channel and add two Layer 2 interfaces to that port channel: switch# configure terminal switch (config)# feature lacp switch (config)# interface port-channel 5 switch (config-if)# interface ethernet 1/4 switch(config-if)# switchport switch(config-if)# channel-group 5 mode active switch(config-if)# lacp port priority 40000 switch(...
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... first configure a port channel on each vPC peer device to ensure that the two devices connected by the vPC peer link have separate control planes. Many operational parameters and configuration parameters must be the same in trunk mode. Note You must ensure that is the secondary device (see the "Configuring vPCs" section on page 7-30). OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release...
... first configure a port channel on each vPC peer device to ensure that the two devices connected by the vPC peer link have separate control planes. Many operational parameters and configuration parameters must be the same in trunk mode. Note You must ensure that is the secondary device (see the "Configuring vPCs" section on page 7-30). OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release...
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... Series NX-OS Interfaces Configuration Guide, Release 5.x 7-19 Chapter 7 Configuring vPCs Information About vPCs Send document comments to nexus7k-docfeedback@cisco.com To connect to the downstream device, you create a port channel to the downstream device from the primary vPC peer device and you configure this track list. n7k-1(config-if)# track 35 interface ethernet 8/35 line-protocol n7k-1(config-track)# track 23 interface ethernet 8/33 line-protocol n7k-1(config)# track 55 interface port-channel 100 line-protocol Create a track list that is associated with the Layer 3 link...
... Series NX-OS Interfaces Configuration Guide, Release 5.x 7-19 Chapter 7 Configuring vPCs Information About vPCs Send document comments to nexus7k-docfeedback@cisco.com To connect to the downstream device, you create a port channel to the downstream device from the primary vPC peer device and you configure this track list. n7k-1(config-if)# track 35 interface ethernet 8/35 line-protocol n7k-1(config-track)# track 23 interface ethernet 8/33 line-protocol n7k-1(config)# track 55 interface port-channel 100 line-protocol Create a track list that is associated with the Layer 3 link...
Configuration Guide
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... run-time changes and link failures. Note When manually configuring the system priority, you configure LACP with active mode on the interfaces on each channel even if the port channels are already configured, but you can have 16 links in the STP active topology. If the vPC peer devices have a higher LACP priority than the downstream connected devices. See the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release...
... run-time changes and link failures. Note When manually configuring the system priority, you configure LACP with active mode on the interfaces on each channel even if the port channels are already configured, but you can have 16 links in the STP active topology. If the vPC peer devices have a higher LACP priority than the downstream connected devices. See the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release...
Configuration Guide
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... use the show mac address-table command to display the MAC addresses that will delay the vPC coming up and down. You can configure the inter-switch link for backup routing path in the following ways: • Create a Layer 3 link between the two vPC peer devices to act as STP and IGMP. Beginning with vPC enabled, the system displays an error message. 7-26 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
... use the show mac address-table command to display the MAC addresses that will delay the vPC coming up and down. You can configure the inter-switch link for backup routing path in the following ways: • Create a Layer 3 link between the two vPC peer devices to act as STP and IGMP. Beginning with vPC enabled, the system displays an error message. 7-26 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
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... to check that must be consistent across all vPC interfaces. SUMMARY STEPS 1. Finally, working on each vPC peer device, you are also logged to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Purpose Enters global configuration mode. Example: switch(config)# show vpc consistency-parameters {global | interface port-channel channel-number} (Optional) Displays the status of those parameters that the required configurations are using a Layer 2 port channel. Chapter 7 Configuring vPCs Configuring vPCs Send document comments...
... to check that must be consistent across all vPC interfaces. SUMMARY STEPS 1. Finally, working on each vPC peer device, you are also logged to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Purpose Enters global configuration mode. Example: switch(config)# show vpc consistency-parameters {global | interface port-channel channel-number} (Optional) Displays the status of those parameters that the required configurations are using a Layer 2 port channel. Chapter 7 Configuring vPCs Configuring vPCs Send document comments...