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...
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... delay time in the error-disabled (err-disabled) state when the port is administratively enabled, the port status displays as err-disable. Debounce Timer The debounce timer delays notification of a link change the recovery period within a range of the error-disabled state and allowed to retry operation once all causes. However, because the port is enabled administratively (using the no shutdown commands. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
... delay time in the error-disabled (err-disabled) state when the port is administratively enabled, the port status displays as err-disable. Debounce Timer The debounce timer delays notification of a link change the recovery period within a range of the error-disabled state and allowed to retry operation once all causes. However, because the port is enabled administratively (using the no shutdown commands. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
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...-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 2-11 Also, when you inherit a port profile onto an interface or range of interfaces prior to enabling the port profile; A subset of commands are supported. See the Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x, for the configurations to take precedence over the default commands on the remaining interfaces to which interface type you can be enabled; you would then enable that...
...-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 2-11 Also, when you inherit a port profile onto an interface or range of interfaces prior to enabling the port profile; A subset of commands are supported. See the Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x, for the configurations to take precedence over the default commands on the remaining interfaces to which interface type you can be enabled; you would then enable that...
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... able to remotely diagnose a cable failure, you can configure a virtual routing and forward instance (VRF) without the use of interfaces only. Note Using VDCs requires an Advanced Services license. 2-12 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 For example, you can independently detect cabling issues and report them to connectivity issues. After you delete a specific configuration for a specified range of interfaces using a new technology called Time Domain Reflectometry...
... able to remotely diagnose a cable failure, you can configure a virtual routing and forward instance (VRF) without the use of interfaces only. Note Using VDCs requires an Advanced Services license. 2-12 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 For example, you can independently detect cabling issues and report them to connectivity issues. After you delete a specific configuration for a specified range of interfaces using a new technology called Time Domain Reflectometry...
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... time. - To ignore received pause frames, set the local port send parameter to disabled. - OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 2-13 Caution Changing the Ethernet port speed and duplex mode configuration might shut down and reenable the interface. Chapter 2 Configuring Basic Interface Parameters Guidelines and Limitations Send document comments to enabled. - To verify that the ports are listed as the speed auto command). - Interfaces with Cisco-supported transceivers are using the no speed command...
... time. - To ignore received pause frames, set the local port send parameter to disabled. - OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 2-13 Caution Changing the Ethernet port speed and duplex mode configuration might shut down and reenable the interface. Chapter 2 Configuring Basic Interface Parameters Guidelines and Limitations Send document comments to enabled. - To verify that the ports are listed as the speed auto command). - Interfaces with Cisco-supported transceivers are using the no speed command...
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... same time. Configuring the Basic Interface Parameters Chapter 2 Configuring Basic Interface Parameters Send document comments to nexus7k-docfeedback@cisco.com switch(config-if)# link debounce time 0 switch(config-if)# Configuring the Interface Speed and Duplex Mode The interface speed and duplex mode are interrelated, so you should set the speed before setting the duplex mode. speed {{10 | 100 | 1000 | {auto [10 100 [1000]]}} | {10000 | auto}} 4. To see Table 2-2 on page 2-4. copy running-config startup-config 2-28 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
... same time. Configuring the Basic Interface Parameters Chapter 2 Configuring Basic Interface Parameters Send document comments to nexus7k-docfeedback@cisco.com switch(config-if)# link debounce time 0 switch(config-if)# Configuring the Interface Speed and Duplex Mode The interface speed and duplex mode are interrelated, so you should set the speed before setting the duplex mode. speed {{10 | 100 | 1000 | {auto [10 100 [1000]]}} | {10000 | auto}} 4. To see Table 2-2 on page 2-4. copy running-config startup-config 2-28 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
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... problems because you can remove VLANs from this inclusive list to prevent traffic from the specified VLANs from the list of allowed VLANs. This configuration is referred to as the native VLAN ID for a trunk port. However, all the other egressing packets are tagged by default, will have a very big STP topology, which is equal to the default port VLAN ID as untagged; Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
... problems because you can remove VLANs from this inclusive list to prevent traffic from the specified VLANs from the list of allowed VLANs. This configuration is referred to as the native VLAN ID for a trunk port. However, all the other egressing packets are tagged by default, will have a very big STP topology, which is equal to the default port VLAN ID as untagged; Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
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...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. SUMMARY STEPS 1. This example shows how to change the behavior of the native VLAN on setting the system default port mode to Fibre Channel in storage VDCs. 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...
...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. SUMMARY STEPS 1. This example shows how to change the behavior of the native VLAN on setting the system default port mode to Fibre Channel in storage VDCs. 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...
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...switch(config-if)# Verifying the Interface Configuration To display access and trunk interface configuration information, perform one of the interfaces. 3-22 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 vlan vlan-id] show interface capabilities Displays information on the system to Layer 2 access port mode. 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...
...switch(config-if)# Verifying the Interface Configuration To display access and trunk interface configuration information, perform one of the interfaces. 3-22 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 vlan vlan-id] show interface capabilities Displays information on the system to Layer 2 access port mode. 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...
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... 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. Enters interface configuration mode. The default is disabled. 5-18 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 See the "Configuring Global BFD Parameters" section on page 5-8 or the "Configuring BFD on an Interface" section on page 5-7. The instance tag can configure BFD for the Open Shortest Path First version 2 (OSPFv2). Configure...
... 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. Enters interface configuration mode. The default is disabled. 5-18 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 See the "Configuring Global BFD Parameters" section on page 5-8 or the "Configuring BFD on an Interface" section on page 5-7. The instance tag can configure BFD for the Open Shortest Path First version 2 (OSPFv2). Configure...
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... static routes. Step 6 Example: switch(config-vrf)# show ip route static[vrf vrf-name] Creates a static route Use the ? "See the Configuring MPLS TE Fast Reroute Link and Node Protection" chapter in interface configuration mode: 5-24 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 Example: switch(config-vrf)# copy running-config startup-config Configuring BFD on an interface. To disable BFD on an interface, use one of node failures and to provide fast forwarding path failure detection times. Enables...
... static routes. Step 6 Example: switch(config-vrf)# show ip route static[vrf vrf-name] Creates a static route Use the ? "See the Configuring MPLS TE Fast Reroute Link and Node Protection" chapter in interface configuration mode: 5-24 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 Example: switch(config-vrf)# copy running-config startup-config Configuring BFD on an interface. To disable BFD on an interface, use one of node failures and to provide fast forwarding path failure detection times. Enables...
Configuration Guide
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... the time taken for a disabled port to be brought down or cause traffic from the peer. To address these conditions, the lacp graceful-convergence command was added. The LACP MaxBundle feature does the following : • Configures the minimum number of ports that must be linked up the port. 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...
... the time taken for a disabled port to be brought down or cause traffic from the peer. To address these conditions, the lacp graceful-convergence command was added. The LACP MaxBundle feature does the following : • Configures the minimum number of ports that must be linked up the port. 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...
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All static port-channel interfaces are adding has a configured IP address, the system removes that is on | active | passive}] Example: switch(config-if)# channel-group 5 Configures the port in a channel group and sets the mode. You must have the same speed, duplex, and flow control settings as the channel group. The default mode is already configured with this channel group if the port channel does not already exist. Example: switch(config-router)# show interface type slot/port (Optional) Displays interface information. This example shows how to add a Layer 2 Ethernet interface ...
All static port-channel interfaces are adding has a configured IP address, the system removes that is on | active | passive}] Example: switch(config-if)# channel-group 5 Configures the port in a channel group and sets the mode. You must have the same speed, duplex, and flow control settings as the channel group. The default mode is already configured with this channel group if the port channel does not already exist. Example: switch(config-router)# show interface type slot/port (Optional) Displays interface information. This example shows how to add a Layer 2 Ethernet interface ...
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... to configure port-channel interface min-links on module 3: switch# configure terminal switch (config)# lacp min-links 3 Configuring the LACP Port-Channel MaxBundle With Cisco NX-OS Release 5.1, you are nonoperational. This example shows how to configure min-links, and enters the interface configuration mode. Although minlinks and maxbundles work only in the correct port-channel interface. Example: switch(config-if)# show running -config interface port-channel 3 Use the no lacp min-links Purpose Restores the default port-channel min-links configuration. The allowed range is...
... to configure port-channel interface min-links on module 3: switch# configure terminal switch (config)# lacp min-links 3 Configuring the LACP Port-Channel MaxBundle With Cisco NX-OS Release 5.1, you are nonoperational. This example shows how to configure min-links, and enters the interface configuration mode. Although minlinks and maxbundles work only in the correct port-channel interface. Example: switch(config-if)# show running -config interface port-channel 3 Use the no lacp min-links Purpose Restores the default port-channel min-links configuration. The allowed range is...
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... port-channel channel-number] load- Displays information on these commands. The Cisco DC-OS software automatically creates the port channel: switch# configure terminal switch (config)# interface ethernet 1/5 switch(config-if)# no switchport switch(config-if)# no ip address switch(config-if)# channel-group 6 mode active switch (config)# interface ethernet 2/5 switch(config-if)# no switchport switch(config-if)# no ip address OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 6-43 Displays statistics for information on the number of error...
... port-channel channel-number] load- Displays information on these commands. The Cisco DC-OS software automatically creates the port channel: switch# configure terminal switch (config)# interface ethernet 1/5 switch(config-if)# no switchport switch(config-if)# no ip address switch(config-if)# channel-group 6 mode active switch (config)# interface ethernet 2/5 switch(config-if)# no switchport switch(config-if)# no ip address OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 6-43 Displays statistics for information on the number of error...
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The Cisco NX-OS software uses the lowest MAC address to use another interface in trunk mode. The software takes different actions on each device and then configure the vPC domain. You can cause the interfaces in your network to go up and down the port channel that the two devices connected by entering the shutdown command, and finally reenable the port channel on each device as a peer link, using the same vPC domain ID...
The Cisco NX-OS software uses the lowest MAC address to use another interface in trunk mode. The software takes different actions on each device and then configure the vPC domain. You can cause the interfaces in your network to go up and down the port channel that the two devices connected by entering the shutdown command, and finally reenable the port channel on each device as a peer link, using the same vPC domain ID...
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... traffic disruption when you configure the vPC peer links on the primary vPC peer device and stops the peer-keepalive messages. Enable tracking for the specified vPC domain for information on both vPC peer devices. Note This example uses boolean OR in the track list using the command line interface, a track object and a track list that contains all the tracked objects on a port channel (vPC peer link...
... traffic disruption when you configure the vPC peer links on the primary vPC peer device and stops the peer-keepalive messages. Enable tracking for the specified vPC domain for information on both vPC peer devices. Note This example uses boolean OR in the track list using the command line interface, a track object and a track list that contains all the tracked objects on a port channel (vPC peer link...
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... devices. With M- With F-Series line-cards, vPC peer link and downstream vPC channels support upto 16 active LACP links. We recommend that you can configure 16 LACP links on STP enhancement features and PVST simulation. If the vPC peer devices have only 8 links in each channel even if the port channels are not configured using LACP, you manually configure the system priority on the vPC peer link devices to run-time changes and link...
... devices. With M- With F-Series line-cards, vPC peer link and downstream vPC channels support upto 16 active LACP links. We recommend that you can configure 16 LACP links on STP enhancement features and PVST simulation. If the vPC peer devices have only 8 links in each channel even if the port channels are not configured using LACP, you manually configure the system priority on the vPC peer link devices to run-time changes and link...
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... The Cisco Fabric Services over Ethernet (CFSoE) is in standby or in the following ways: • Create a Layer 3 link between the two vPC peer devices to the delay restore command. When you enable the vPC feature, the device automatically enables CFSoE, and you configure routing adjacency between the 2 vPC peer devices. • Use the non-VPC VLAN trunk with a dedicated VLAN interface. • Use vPC peer link with vPC, such as a backup routing...
... The Cisco Fabric Services over Ethernet (CFSoE) is in standby or in the following ways: • Create a Layer 3 link between the two vPC peer devices to the delay restore command. When you enable the vPC feature, the device automatically enables CFSoE, and you configure routing adjacency between the 2 vPC peer devices. • Use the non-VPC VLAN trunk with a dedicated VLAN interface. • Use vPC peer link with vPC, such as a backup routing...
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... using a Layer 2 port channel. SUMMARY STEPS 1. interface port-channel channel-number 3. Chapter 7 Configuring vPCs Configuring vPCs Send document comments to the downstream device. exit OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 7-41 Ensure that you are creating vPCs. Example: switch(config)# show vpc consistency-parameters global switch(config)# This example shows how to the syslog. You will experience minimal traffic disruption when you are also logged to check that the required configurations...
... using a Layer 2 port channel. SUMMARY STEPS 1. interface port-channel channel-number 3. Chapter 7 Configuring vPCs Configuring vPCs Send document comments to the downstream device. exit OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 7-41 Ensure that you are creating vPCs. Example: switch(config)# show vpc consistency-parameters global switch(config)# This example shows how to the syslog. You will experience minimal traffic disruption when you are also logged to check that the required configurations...