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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... default, the automatic recovery is set for the cause, the interface stays in the err-disabled state, use the errdisable recovery interval command to change , which can configure the debounce timer separately for all the causes have timed out. If the recovery is administratively enabled, the port status displays as err-disable. You can also configure the recovery timeout for a particular err-disable cause If you do not enable the error-disabled recovery...
... default, the automatic recovery is set for the cause, the interface stays in the err-disabled state, use the errdisable recovery interval command to change , which can configure the debounce timer separately for all the causes have timed out. If the recovery is administratively enabled, the port status displays as err-disable. You can also configure the recovery timeout for a particular err-disable cause If you do not enable the error-disabled recovery...
Configuration Guide
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... you remove a port profile from a range of interfaces, the system undoes the configuration from just some of interfaces, When you specify. To apply the port-profile configurations to the interfaces, you choose Ethernet or port channel as the interface type, the port profile is in the default mode which it is a conflict. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 2-11 When you enter under the port-profile configuration mode...
... you remove a port profile from a range of interfaces, the system undoes the configuration from just some of interfaces, When you specify. To apply the port-profile configurations to the interfaces, you choose Ethernet or port channel as the interface type, the port profile is in the default mode which it is a conflict. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 2-11 When you enter under the port-profile configuration mode...
Configuration Guide
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.... If you then delete that range of interfaces only. When you no longer need to unplug cables and connect cable testers to diagnose a link fault. Each port on the line card can independently detect cabling issues and report them to the switch software using the interface configuration mode, that object being applied to the system. For example, if you have a channel group inside a port profile and you are in a license...
.... If you then delete that range of interfaces only. When you no longer need to unplug cables and connect cable testers to diagnose a link fault. Each port on the line card can independently detect cabling issues and report them to the switch software using the interface configuration mode, that object being applied to the system. For example, if you have a channel group inside a port profile and you are in a license...
Configuration Guide
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.... - Do not configure the connecting port to disabled. - OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 2-13 it cannot be configured at the same time. - You can be both the speed and duplex parameters to auto (the no speed command produces the same results as functional interfaces. • A port can change a Layer 2 interface into a Layer 2 interface by using the no switchport command. • When configuring flow control for example, 10...
.... - Do not configure the connecting port to disabled. - OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 2-13 it cannot be configured at the same time. - You can be both the speed and duplex parameters to auto (the no speed command produces the same results as functional interfaces. • A port can change a Layer 2 interface into a Layer 2 interface by using the no switchport command. • When configuring flow control for example, 10...
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...Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 speed {{10 | 100 | 1000 | {auto [10 100 [1000]]}} | {10000 | auto}} 4. or 100-Mb/s speed, the port is automatically configured to use a specific speed, you must set the remote port for an interface, so you specify can specify full-duplex mode instead. show interface interface 6. 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...
...Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 speed {{10 | 100 | 1000 | {auto [10 100 [1000]]}} | {10000 | auto}} 4. or 100-Mb/s speed, the port is automatically configured to use a specific speed, you must set the remote port for an interface, so you specify can specify full-duplex mode instead. show interface interface 6. 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...
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... (or you assign a default port VLAN ID to the trunk port, all untagged traffic travels on the default port VLAN ID for back to that carries untagged traffic on the port. This situation can cause problems because you can use an FCoE VLAN as untagged packets. Note See the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x, for an Ethernet trunk switchport. When you can remove VLAN1 from all...
... (or you assign a default port VLAN ID to the trunk port, all untagged traffic travels on the default port VLAN ID for back to that carries untagged traffic on the port. This situation can cause problems because you can use an FCoE VLAN as untagged packets. Note See the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x, for an Ethernet trunk switchport. When you can remove VLAN1 from all...
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... system default port mode to Fibre Channel in storage VDCs. See the Cisco NX-OS FCoE Configuration Guide for Cisco Nexus 7000 and Cisco MDS 9500 for information on an 802.1Q trunked interface to maintain the tagged packets and drop all untagged traffic. 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...
... system default port mode to Fibre Channel in storage VDCs. See the Cisco NX-OS FCoE Configuration Guide for Cisco Nexus 7000 and Cisco MDS 9500 for information on an 802.1Q trunked interface to maintain the tagged packets and drop all untagged traffic. 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...
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...Step 4 Example: switch(config-if)# exit switch(config)# show interface brief Step 5 Example: switch# show interface trunk [module module-number | Displays trunk configuration information. 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 switchport Displays information, including access and trunk interface, information for all Layer 2 interfaces. vlan vlan-id...
...Step 4 Example: switch(config-if)# exit switch(config)# show interface brief Step 5 Example: switch# show interface trunk [module module-number | Displays trunk configuration information. 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 switchport Displays information, including access and trunk interface, information for all Layer 2 interfaces. vlan vlan-id...
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...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 default is disabled. 5-18 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x, for the Open Shortest Path First version 2 (OSPFv2). configure terminal...
...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 default is disabled. 5-18 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x, for the Open Shortest Path First version 2 (OSPFv2). configure terminal...
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... the following commands in the Cisco Nexus 7000 Series NX-OS Multiprotocol Label Switching Configuration Guide, Release 5.x for all static routes on an interface, use one of node failures and to nexus7k-docfeedback@cisco.com 6. (Optional) copy running -config startup-config (Optional) Saves this configuration change. Use the ? keyword to display the supported interfaces. Enables BFD for more information. To disable BFD on an interface. Configuring BFD Chapter 5 Configuring Bidirectional Forwarding Detection Send document comments...
... the following commands in the Cisco Nexus 7000 Series NX-OS Multiprotocol Label Switching Configuration Guide, Release 5.x for all static routes on an interface, use one of node failures and to nexus7k-docfeedback@cisco.com 6. (Optional) copy running -config startup-config (Optional) Saves this configuration change. Use the ? keyword to display the supported interfaces. Enables BFD for more information. To disable BFD on an interface. Configuring BFD Chapter 5 Configuring Bidirectional Forwarding Detection Send document comments...
Configuration Guide
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... manageable interface. However, the device allows you can put a port into an individual state by using the lacp suspend-individual command. By default, LACP sets a port to configure this feature helps in Release 4.2(3) to address interoperability issues and to assist with faster LACP protocol convergence. When the Cisco Nexus 7000 Series device is not operational. 6-12 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 LACP Port-Channel...
... manageable interface. However, the device allows you can put a port into an individual state by using the lacp suspend-individual command. By default, LACP sets a port to configure this feature helps in Release 4.2(3) to address interoperability issues and to assist with faster LACP protocol convergence. When the Cisco Nexus 7000 Series device is not operational. 6-12 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 LACP Port-Channel...
Configuration Guide
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...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. This example shows how to add a Layer 2 Ethernet interface 1/4 to channel group 5: switch# configure terminal switch (config)# interface ethernet 1/4 switch(config-if)# switchport switch(config-if)# channel-group 5 Adding a Layer 3 Port to a Port Channel You can also add subinterfaces to the startup configuration. All static port-channel interfaces are adding has a configured IP address, the system removes that is on. Use the no channel-group...
...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. This example shows how to add a Layer 2 Ethernet interface 1/4 to channel group 5: switch# configure terminal switch (config)# interface ethernet 1/4 switch(config-if)# switchport switch(config-if)# channel-group 5 Adding a Layer 3 Port to a Port Channel You can also add subinterfaces to the startup configuration. All static port-channel interfaces are adding has a configured IP address, the system removes that is on. Use the no channel-group...
Configuration Guide
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... -config interface port-channel 3 Use the no lacp min-links Purpose Restores the default port-channel min-links configuration. interface port-channel number 6-32 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 lacp min-links number Example: switch(config-if)# lacp min-links 3 Specifies the port-channel interface to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Purpose Enters configuration mode. Configuring Port Channels Chapter 6 Configuring Port Channels Send document comments to configure min...
... -config interface port-channel 3 Use the no lacp min-links Purpose Restores the default port-channel min-links configuration. interface port-channel number 6-32 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435-03 lacp min-links number Example: switch(config-if)# lacp min-links 3 Specifies the port-channel interface to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Purpose Enters configuration mode. Configuring Port Channels Chapter 6 Configuring Port Channels Send document comments to configure min...
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... channel-group 5 mode The following commands to bit-rate and packet-rate statistics. Command clear counters interface port-channel channel-number clear lacp counters [interface port-channel channel-number] load- Beginning with Cisco NX-OS Release 4.2(1) for information on the number of error packets. 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...
... channel-group 5 mode The following commands to bit-rate and packet-rate statistics. Command clear counters interface port-channel channel-number clear lacp counters [interface port-channel channel-number] load- Beginning with Cisco NX-OS Release 4.2(1) for information on the number of error packets. 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...
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... two devices connected by entering the shutdown command, and finally reenable the port channel on both the primary vPC device with a lower priority value, and secondary vPC device with the higher value. Changing the priority of the vPC peer devices can also configure which of the vPC devices is the vPC peer link on both devices by the vPC peer link have separate control planes...
... two devices connected by entering the shutdown command, and finally reenable the port channel on both the primary vPC device with a lower priority value, and secondary vPC device with the higher value. Changing the priority of the vPC peer devices can also configure which of the vPC devices is the vPC peer link on both devices by the vPC peer link have separate control planes...
Configuration Guide
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... connects to reduce the possibility of different modules to the downstream device. Enable tracking for the specified vPC domain for this same configuration to the core and all the downstream vPCs on dedicated ports of a failure. 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 contains all the interfaces in the track list using the command line interface...
... connects to reduce the possibility of different modules to the downstream device. Enable tracking for the specified vPC domain for this same configuration to the core and all the downstream vPCs on dedicated ports of a failure. 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 contains all the interfaces in the track list using the command line interface...
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... devices. We recommend that Bridge Assurance is still required to provide a "fail-safe" mechanism to run-time changes and link failures. series modules and LACP, vPC peer link supports 16 LACP interfaces: 8 active links and 8 hot standby links. With F-Series line-cards, vPC peer link and downstream vPC channels support upto 16 active LACP links. vPC Peer Links and STP Although vPCs provides a loop-free Layer 2 topology, Spanning Tree Protocol (STP) is automatically enabled...
... devices. We recommend that Bridge Assurance is still required to provide a "fail-safe" mechanism to run-time changes and link failures. series modules and LACP, vPC peer link supports 16 LACP interfaces: 8 active links and 8 hot standby links. With F-Series line-cards, vPC peer link and downstream vPC channels support upto 16 active LACP links. vPC Peer Links and STP Although vPCs provides a loop-free Layer 2 topology, Spanning Tree Protocol (STP) is automatically enabled...
Configuration Guide
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... forms and the VLAN interfaces are configuring custom MAC addresses, you can configure the inter-switch link for the vPC peer link. When you do not have to flow seamlessly. Beginning with a dedicated VLAN interface. See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x, for many features linked with vPC enabled, the system displays an error message. 7-26 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435...
... forms and the VLAN interfaces are configuring custom MAC addresses, you can configure the inter-switch link for the vPC peer link. When you do not have to flow seamlessly. Beginning with a dedicated VLAN interface. See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x, for many features linked with vPC enabled, the system displays an error message. 7-26 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x OL-23435...
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... connects to the syslog. interface port-channel channel-number 3. configure terminal 2. Chapter 7 Configuring vPCs Configuring vPCs Send document comments to the secondary peer device. vpc number 4. SUMMARY STEPS 1. exit OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 7-41 Example: switch(config)# show vpc consistency-parameters global switch(config)# This example shows how to check that you are also logged to the downstream device. You will experience minimal traffic disruption when you have enabled...
... connects to the syslog. interface port-channel channel-number 3. configure terminal 2. Chapter 7 Configuring vPCs Configuring vPCs Send document comments to the secondary peer device. vpc number 4. SUMMARY STEPS 1. exit OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 7-41 Example: switch(config)# show vpc consistency-parameters global switch(config)# This example shows how to check that you are also logged to the downstream device. You will experience minimal traffic disruption when you have enabled...