DETAILED STEPS
PurposeCommand or Action
configure
Step 1
Enables IS-IS routing for the specified routing process, and
places the router in router configuration mode.
router isis instance-id
Example:
RP/0/RSP0/CPU0:router(config)# router isis isp
Step 2
•
By default, all IS-IS instances are automatically Level 1
and Level 2. You can change the level of routing to be
performed by a particular routing instance by using the
is-type command.
Enters interface configuration mode.
interface type interface-path-id
Example:
RP/0/RSP0/CPU0:router(config-isis)# interface
GigabitEthernet 0/1/0/3
Step 3
Specifies the IPv4 address family and enters router address
family configuration mode.
address-family ipv4 unicast
Example:
RP/0/RSP0/CPU0:router(config-isis-if)#
address-family ipv4 unicast
Step 4
Enables MPLS LDP synchronization for the IPv4 address
family under interface GigabitEthernet 0/1/0/3.
mpls ldp sync [ level { 1 | 2 }]
Example:
RP/0/RSP0/CPU0:router(config-isis-if-af)# mpls
ldp sync level 1
Step 5
commit
Step 6
Enabling Multicast-Intact
This optional task describes how to enable multicast-intact for IS-IS routes that use IPv4 and IPv6 addresses.
SUMMARY STEPS
1.
configure
2.
router isis instance-id
3.
address-family { ipv4 | ipv6 } [ unicast | multicast ]
4.
mpls traffic-eng multicast-intact
5.
commit
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
314 OL-30423-03
Implementing IS-IS
Enabling Multicast-Intact
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