Cisco 7206 - VXR Router

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5-19
Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
OL-23435-03
Chapter 5 Configuring Bidirectional Forwarding Detection
Configuring BFD
Configuring BFD on IS-IS
You can configure BFD for the Intermediate System-to-Intermediate System (IS-IS) protocol.
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 IS-IS feature. See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide,
Release 5.x, for more information.
SUMMARY STEPS
1. configure terminal
2. router isis instance-tag
3. bfd
4. interface int-if
5. (Optional) isis bfd
6. (Optional) show isis [vrf vrf-name] [interface if]
7. (Optional) copy running-config startup-config
DETAILED STEPS
Step 6
show ip ospf [vrf vrf-name] [interface
if]
Example:
switch(config-if)# show ip ospf
(Optional) Displays information about OSPF. The
vrf-name can be any case-sensitive, alphanumeric
string up to 32 characters.
Step 7
copy running-config startup-config
Example:
switch(config-if)# copy running-config
startup-config
(Optional) Saves this configuration change.
Command Purpose
Command Purpose
Step 1
configure terminal
Example:
switch# configure terminal
switch(config)#
Enters configuration mode.
Step 2
router isis instance-tag
Example:
switch(config)# router isis Enterprise
switch(config-router)#
Creates a new IS-IS instance with the configured
instance tag.