PurposeCommand or Action
(Optional) Configures the type of adjacency.circuit-type { level-1 | level-1-2 | level-2-only
}
Step 11
•
The default circuit type is the configured system type (configured
through the is-type command).
Example:
RP/0/RSP0/CPU0:router(config-isis-if)#
circuit-type level-1-2
•
Typically, the circuit type must be configured when the router is
configured as only level-1-2 and you want to constrain an
interface to form only level-1 or level-2-only adjacencies.
Specifies the IPv4 or IPv6 address family, and enters interface address
family configuration mode.
address-family { ipv4 | ipv6 } [ unicast |
multicast ]
Step 12
Example:
RP/0/RSP0/CPU0:router(config-isis-if)#
address-family ipv4 unicast
•
This example specifies the unicast IPv4 address family on the
interface.
commit
Step 13
(Optional) Displays information about the IS-IS interface.
show isis [ instance instance-id ] interface [
type interface-path-id ] [ detail ] [ level { 1 | 2
}]
Step 14
Example:
RP/0/RSP0/CPU0:router# show isis
interface GigabitEthernet 0/1/0/1
(Optional) Displays a list of connected routers in all areas.
show isis [ instance instance-id ] topology
[ systemid system-id ] [ level { 1 | 2 }] [
summary ]
Step 15
Example:
RP/0/RSP0/CPU0:router# show isis topology
Configuring Multitopology Routing
This set of procedures configures multitopology routing, which is used by PIM for reverse-path forwarding
(RPF) path selection.
Restrictions for Configuring Multitopology Routing
•
Only the default VRF is currently supported in a multitopology solution.
•
Only protocol-independent multicast (PIM) and intermediate system-intermediate system (IS-IS) routing
protocols are currently supported.
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
359
Implementing IS-IS
Configuring Multitopology Routing
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