Cisco ASR 9000 Series Routing Configuration Manual page 388

Configuring Single Topology for IS-IS
Command or Action
Step 5
router isis instance-id
Example:
RP/0/RSP0/CPU0:router(config)# router
isis isp
Step 6 net network-entity-title
Example:
RP/0/RSP0/CPU0:router(config-isis)# net
47.0004.004d.0001.0001.0c11.1110.00
Step 7 address-family ipv6 [ unicast ]
Example:
RP/0/RSP0/CPU0:router(config-isis)#
address-family ipv6 unicast
Step 8
single-topology
Example:
RP/0/RSP0/CPU0:router(config-isis-af)#
single-topology
Step 9 exit
Example:
RP/0/RSP0/CPU0:router(config-isis-af)#
exit
Step 10 interface type interface-path-id
Example:
RP/0/RSP0/CPU0:router(config-isis)#
interface GigabitEthernet 0/1/0/3
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
358
Purpose
Enables IS-IS routing for the specified routing instance, and places the
router in router configuration mode.
• By default, all IS-IS instances are 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.
Configures NETs for the routing instance.
• Specify a NET for each routing instance if you are configuring
multi-instance IS-IS. You can specify a name for a NET and for
an address.
• This example configures a router with area ID 47.0004.004d.0001
and system ID 0001.0c11.1110.00.
• To specify more than one area address, specify additional NETs.
Although the area address portion of the NET differs, the system
ID portion of the NET must match exactly for all of the configured
items.
Specifies the IPv6 address family and enters router address family
configuration mode.
• This example specifies the unicast IPv6 address family.
(Optional) Configures the link topology for IPv4 when IPv6 is
configured.
• The single-topology command is valid only in IPv6 submode.
The command instructs IPv6 to use the single topology rather
than the default configuration of a separate topology in the
multitopology mode.
• See the Single-Topology IPv6 Support, on page 346
information.
Exits router address family configuration mode, and returns the router
to router configuration mode.
Enters interface configuration mode.
Implementing IS-IS
for more