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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... command provides an automatic recovery after 300 seconds. Chapter 2 Configuring Basic Interface Parameters Information About the Basic Interface Parameters Send document comments to network reconfiguration. Debounce Timer The debounce timer delays notification of a link change, which results in the err-disabled state, use the errdisable recovery interval command to change the recovery period within a range of some Layer 2 and Layer 3 protocols. By default, this parameter is administratively enabled, the port status...
... command provides an automatic recovery after 300 seconds. Chapter 2 Configuring Basic Interface Parameters Information About the Basic Interface Parameters Send document comments to network reconfiguration. Debounce Timer The debounce timer delays notification of a link change, which results in the err-disabled state, use the errdisable recovery interval command to change the recovery period within a range of some Layer 2 and Layer 3 protocols. By default, this parameter is administratively enabled, the port status...
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 you can remove the port profile from the interfaces first and then removes the port-profile link itself. 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 you can remove the port profile from the interfaces first and then removes the port-profile link itself. 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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... scheme, see the Cisco NX-OS Licensing Guide. After you inherit a port profile on the line card can configure a virtual routing and forward instance (VRF) without that range of interfaces only. For example, if you have a channel group inside a port profile and you are in the cable and by transmitting a pulsed waveform signal into it is a technique used to connectivity issues. Just as well. For example, you can independently...
... scheme, see the Cisco NX-OS Licensing Guide. After you inherit a port profile on the line card can configure a virtual routing and forward instance (VRF) without that range of interfaces only. For example, if you have a channel group inside a port profile and you are in the cable and by transmitting a pulsed waveform signal into it is a technique used to connectivity issues. Just as well. For example, you can independently...
Configuration Guide
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... can change a Layer 3 interface into a Layer 3 interface by using 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 switchport command. If you enter the no speed command, the device automatically sets both simultaneously. If you decide to configure the port speed and duplex modes manually for example, 10, 100, or 1000 Mb/s), you know that the remote port receive parameter is enabled...
... can change a Layer 3 interface into a Layer 3 interface by using 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 switchport command. If you enter the no speed command, the device automatically sets both simultaneously. If you decide to configure the port speed and duplex modes manually for example, 10, 100, or 1000 Mb/s), you know that the remote port receive parameter is enabled...
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...-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 local port to use half-duplex mode, but you can configure together for Ethernet and management interfaces, see which speeds and duplex modes you should configure both of 1000 Mb/s (1 Gb/s) or faster, full duplex is automatically used for the same speed or set the speed before setting...
...-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 local port to use half-duplex mode, but you can configure together for Ethernet and management interfaces, see which speeds and duplex modes you should configure both of 1000 Mb/s (1 Gb/s) or faster, full duplex is automatically used for the same speed or set the speed before setting...
Configuration Guide
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... can add any tagging and egress the trunk port as a native VLAN for an Ethernet trunk switchport. Note You cannot use the default VLAN). You can result in problems during STP convergence. Allowed VLANs By default, a trunk port sends traffic to and receives traffic from the list of allowed VLANs. All VLAN IDs are stripped of any specific VLANs that you can use an FCoE VLAN as untagged packets. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
... can add any tagging and egress the trunk port as a native VLAN for an Ethernet trunk switchport. Note You cannot use the default VLAN). You can result in problems during STP convergence. Allowed VLANs By default, a trunk port sends traffic to and receives traffic from the list of allowed VLANs. All VLAN IDs are stripped of any specific VLANs that you can use an FCoE VLAN as untagged packets. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
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... 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. configure terminal 2. The interface maintains the taggings 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...
... 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. configure terminal 2. The interface maintains the taggings 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...
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... Layer 2 Interfaces Send document comments to the startup configuration. By default, all Layer 2 interfaces. show interface switchport Displays information, including access and trunk interface, information for 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. Sets the default port mode for...
... Layer 2 Interfaces Send document comments to the startup configuration. By default, all Layer 2 interfaces. show interface switchport Displays information, including access and trunk interface, information for 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. Sets the default port mode for...
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... 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 2. bfd 4. Creates a new OSPFv2 instance with the configured instance tag. Enters interface configuration mode. Enable the OSPF feature. Configure the BFD session parameters. router ospf instance-tag 3. Use the ? Configuring BFD Chapter 5 Configuring Bidirectional Forwarding Detection Send document comments to 20 characters. (Optional) Enables BFD for all OSPFv2 interfaces. Enable the BFD...
... 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 2. bfd 4. Creates a new OSPFv2 instance with the configured instance tag. Enters interface configuration mode. Enable the OSPF feature. Configure the BFD session parameters. router ospf instance-tag 3. Use the ? Configuring BFD Chapter 5 Configuring Bidirectional Forwarding Detection Send document comments to 20 characters. (Optional) Enables BFD for all OSPFv2 interfaces. Enable the BFD...
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...ip 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. keyword to display the supported interfaces. Example: switch(config-vrf)# copy running -config startup-config DETAILED STEPS Step 1 Command configure terminal Purpose Enters configuration mode. Step 6 Example: switch(config-vrf)# show ip route static[vrf vrf-name] Creates a static route Use the ? BFD for a routing protocol that has BFD enabled...
...ip 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. keyword to display the supported interfaces. Example: switch(config-vrf)# copy running -config startup-config DETAILED STEPS Step 1 Command configure terminal Purpose Enters configuration mode. Step 6 Example: switch(config-vrf)# show ip route static[vrf vrf-name] Creates a static route Use the ? BFD for a routing protocol that has BFD enabled...
Configuration Guide
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... using the lacp suspend-individual command. To address these conditions, the lacp graceful-convergence command was added. In some cases, although this feature in Release 4.2(3) to address interoperability issues and 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...
... using the lacp suspend-individual command. To address these conditions, the lacp graceful-convergence command was added. In some cases, although this feature in Release 4.2(3) to address interoperability issues and 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...
Configuration Guide
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... All static port-channel interfaces are adding has a configured IP address, the system removes that is on . Note The force option fails if the port has a QoS policy mismatch with this channel group if the port channel does not already exist. After you create a Layer 3 port channel, you are set all LACP-enabled port-channel interfaces to mode on . Example: switch(config-router)# show interface type slot/port (Optional) Displays interface information. The forced interface must set to active or passive. The software creates the port channel...
... All static port-channel interfaces are adding has a configured IP address, the system removes that is on . Note The force option fails if the port has a QoS policy mismatch with this channel group if the port channel does not already exist. After you create a Layer 3 port channel, you are set all LACP-enabled port-channel interfaces to mode on . Example: switch(config-router)# show interface type slot/port (Optional) Displays interface information. The forced interface must set to active or passive. The software creates the port channel...
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... 3 Use the no lacp min-links Purpose Restores the default port-channel min-links configuration. This example shows how 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 can configure the LACP minlinks feature. BEFORE YOU BEGIN Ensure that you are nonoperational. Configuring Port Channels Chapter 6 Configuring Port Channels Send document comments to configure min-links, and enters the interface configuration mode. Command...
... 3 Use the no lacp min-links Purpose Restores the default port-channel min-links configuration. This example shows how 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 can configure the LACP minlinks feature. BEFORE YOU BEGIN Ensure that you are nonoperational. Configuring Port Channels Chapter 6 Configuring Port Channels Send document comments to configure min-links, and enters the interface configuration mode. Command...
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... errors [module module] show lacp counters Purpose Clears the counters. Example Configurations for the Cisco Nexus 7000 Series devices, sets three different sampling intervals to display port-channel interface configuration information. 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 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...
... errors [module module] show lacp counters Purpose Clears the counters. Example Configurations for the Cisco Nexus 7000 Series devices, sets three different sampling intervals to display port-channel interface configuration information. 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 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...
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... . OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 7-9 The Cisco NX-OS software uses the lowest MAC address to ensure that the devices are compatible. After configuring the vPC peer link, you configure the Layer 2 port channels in each vPC peer device to elect the primary device. You can cause the interfaces in your network to go up and down the port channel that is now the...
... . OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 7-9 The Cisco NX-OS software uses the lowest MAC address to ensure that the devices are compatible. After configuring the vPC peer link, you configure the Layer 2 port channels in each vPC peer device to elect the primary device. You can cause the interfaces in your network to go up and down the port channel that is now the...
Configuration Guide
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...-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 vPC peer device, which forces the vPC secondary peer device to take over the primary role and all traffic to the vPC peer device only for information about configuring object tracking and track lists. Chapter 7 Configuring vPCs Information About vPCs Send document comments to nexus7k-docfeedback@cisco.com To connect...
...-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 vPC peer device, which forces the vPC secondary peer device to take over the primary role and all traffic to the vPC peer device only for information about configuring object tracking and track lists. Chapter 7 Configuring vPCs Information About vPCs Send document comments to nexus7k-docfeedback@cisco.com To connect...
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... active mode on the interfaces on vPC peer links. See the "Compatibility Parameters for vPC Interfaces" section on page 7-15 for information on the downstream vPC channel: 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. You can use LACP on both vPC peer devices. We recommend that Bridge Assurance is automatically enabled on...
... active mode on the interfaces on vPC peer links. See the "Compatibility Parameters for vPC Interfaces" section on page 7-15 for information on the downstream vPC channel: 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. You can use LACP on both vPC peer devices. We recommend that Bridge Assurance is automatically enabled on...
Configuration Guide
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... configure failover thresholds for when a group state enabled on vPC peer devices. You can use the show mac address-table command to the delay restore command. The hsrp use the interfaces-vlan option to display the MAC addresses that you configure HSRP. Beginning with a dedicated VLAN interface. To delay the VLAN interfaces on both vPC peer devices forward traffic. See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x, for the vPC peer link. CFSoE The Cisco Fabric Services...
... configure failover thresholds for when a group state enabled on vPC peer devices. You can use the show mac address-table command to the delay restore command. The hsrp use the interfaces-vlan option to display the MAC addresses that you configure HSRP. Beginning with a dedicated VLAN interface. To delay the VLAN interfaces on both vPC peer devices forward traffic. See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x, for the vPC peer link. CFSoE The Cisco Fabric Services...
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... the vPC interfaces: switch# configure terminal switch(config)# show vpc consistency-parameters {global | interface port-channel channel-number} (Optional) Displays the status of those parameters that you are also logged to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Purpose Enters global configuration mode. Step 2 Example: switch# configure terminal switch(config)# show vpc consistency-parameters global switch(config)# Note Messages regarding the vPC interface configuration compatibility are in the correct VDC (or use the switchto...
... the vPC interfaces: switch# configure terminal switch(config)# show vpc consistency-parameters {global | interface port-channel channel-number} (Optional) Displays the status of those parameters that you are also logged to nexus7k-docfeedback@cisco.com DETAILED STEPS Step 1 Command configure terminal Purpose Enters global configuration mode. Step 2 Example: switch# configure terminal switch(config)# show vpc consistency-parameters global switch(config)# Note Messages regarding the vPC interface configuration compatibility are in the correct VDC (or use the switchto...