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9-24
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
Chapter 9      Configuring IS-IS
Configuring IS-IS
BEFORE YOU BEGIN 
Ensure that you have enabled the IS-IS feature (see the “Enabling the IS-IS Feature” section on 
page 9-7).
Create the VDCs.
Ensure that you are in the correct VDC (or use the switchto vdc command).
SUMMARY STEPS
1. config t
2. vrf context vrf_name
3. exit
4. router isis instance-tag
5. vrf vrf_name
6. net network-entity-title
7. exit
8. interface type slot/port
9. vrf member vrf-name
10. ip address ip-prefix/length
11. ip router isis instance-tag
12. show isis [vrf vrf-name] [instance-tag] interface [interface-type slot/port]
13. copy running-config startup-config
DETAILED STEPS
Command Purpose
Step 1
config t
Example:
switch# config t
switch(config)#
Enters configuration mode.
Step 2
vrf context 
vrf-name
Example:
switch(config)# vrf context 
RemoteOfficeVRF
switch(config-vrf)#
Creates a new VRF and enters VRF configuration 
mode.
Step 3
exit
Example:
switch(config-vrf)# exit
switch(config)#
Exits VRF configuration mode.
Step 4
router isis 
instance-tag
Example:
switch(config)# router isis Enterprise
switch(config-router)#
Creates a new IS-IS instance with the configured 
instance tag.