PurposeCommand or Action
(Optional) Limits the number of prefixes allowed
in a topology routing table. Range is 32 to 2000000.
maximum prefix limit
Example:
RP/0/RSP0/CPU0:router(config-af)# maximum prefix 100
Step 3
Specifies the interface to be associated with the
previously specified VRF table that will add the
interface type interface-path-id
Example:
RP/0/RSP0/CPU0:router(config-af)# interface
GigabitEthernet 0/3/0/0
Step 4
connected and local routes to the appropriate routing
table.
Enables the topology for the interface specified in
Step 4, on page 361, adding the connected and local
routes to the appropriate routing table.
address-family { ipv4 | ipv6 } multicast topology topo-name
Example:
RP/0/RSP0/CPU0:router(config-if)# address-family ipv4
multicast topology green
Step 5
—
Repeat Step 4 and Step 5 until you have specified all the interface
instances you want to associate with your topologies.
Step 6
Example:
RP/0/RSP0/CPU0:router(config-if-af)# interface
gigabitethernet 0/3/2/0
RP/0/RSP0/CPU0:routerrouter(config-if)# address-family
ipv4 multicast topology purple
RP/0/RSP0/CPU0:router(config-if-af)#
commit
Step 7
Enabling an IS-IS Topology
To enable a topology in IS-IS, you must associate an IS-IS topology ID with the named topology. IS-IS uses
the topology ID to differentiate topologies in the domain.
This command must be configured prior to other topology commands.Note
SUMMARY STEPS
1.
configure
2.
router isis instance-id
3.
address-family { ipv4 | ipv6 } multicast topology topo-name
4.
topology-id multitoplogy-id
5.
commit
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
361
Implementing IS-IS
Configuring Multitopology Routing
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