Cisco N7K-C7010 Configuration Guide - Page 149
Configuring BFD on VRRP
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Chapter 5 Configuring Bidirectional Forwarding Detection Configuring BFD Send document comments to [email protected] DETAILED STEPS Step 1 Command configure terminal Step 1 Example: switch# configure terminal switch(config)# hsrp bfd all-interfaces Step 2 Example: switch# hsrp bfd all-interfaces interface int-if Step 3 Example: switch(config)# interface ethernet 2/1 switch(config-if)# hsrp bfd Step 4 Example: switch(config-if)# hsrp bfd show running-config hsrp Step 5 Example: switch(config-if)# show running-config hsrp copy running-config startup-config Example: switch(config-if)# copy running-config startup-config Purpose Enters configuration mode. (Optional) Enables or disables BFD on all HSRP interfaces. The default is disabled. Enters interface configuration mode. Use the ? keyword to display the supported interfaces. (Optional) Enables or disables BFD on an HSRP interface. The default is disabled. (Optional) Displays the HSRP running configuration. (Optional) Saves this configuration change. Configuring BFD on VRRP You can configure BFD for the Virtual Router Redundancy Protocol (VRRP). The active and standby VRRP routers track each other through BFD. If BFD on the standby VRRP router detects that the active VRRP router is down, the standby VRRP router treats this event as an active time rexpiry and takes over as the active VRRP router. The show vrrp detail will show this event as BFD@Act-down or BFD@Sby-down. BEFORE YOU BEGIN Ensure that you are in the correct VDC (or use the switchto vdc command). Enable the BFD feature. See the "Enabling the BFD Feature" section on page 5-7. Configure the BFD session parameters. See the "Configuring Global BFD Parameters" section on page 5-8 or the "Configuring BFD on an Interface" section on page 5-9. Enable the VRRP feature. See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x, for more information. SUMMARY STEPS 1. configure terminal OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 5-21