Cisco Nexus 7000 Series - Page 256

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9-18
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
Chapter 9 Configuring IS-IS
Configuring IS-IS
SUMMARY STEPS
1. config t
2. router isis instance-tag
3. address-family ipv4 {unicast | multicast}
4. summary-address ip-prefix/mask-len {level-1 | level-2 | level-1-2}
5. show isis [vrf vrf-name] ip summary-address ip-prefix [longer-prefixes]
6. copy running-config startup-config
DETAILED STEPS
Command Purpose
Step 1
config t
Example:
switch# config t
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.
Step 3
address-family ipv4 {unicast |
multicast}
Example:
switch(config-router)# address-family
ipv4 unicast
switch(config-router-af)#
Enters address family configuration mode.
Step 4
summary-address ip-prefix/mask-len
{level-1 | level-2 | level-1-2}
Example:
switch(config-router-af)#
summary-address 192.0.2.0/24 level-2
Configures a summary address for an ISIS area for
IPv4 addresses.
Step 5
show isis [vrf vrf-name ] ip
summary-address
ip-prefix
[longer-prefixes]]
Example:
switch(config-if)# show isis ip
summary-address
(Optional) Displays IS-IS IPv4 summary address
information.
Step 6
copy running-config startup-config
Example:
switch(config--if)# copy running-config
startup-config
(Optional) Saves this configuration change.