PurposeCommand or Action
•
This example specifies an IPv6 prefix, and the command
must be in the form documented in RFC 2373 in which the
Example:
RP/0/RSP0/CPU0:router(config-isis-af)#
summary-prefix 10.1.0.0/16 level 1
address is specified in hexadecimal using 16-bit values
between colons.
or
RP/0/RSP0/CPU0:router(config-isis-af)#
summary-prefix 3003:xxxx::/24 level 1
•
Note that IPv6 prefixes must be configured only in the IPv6
router address family configuration submode, and IPv4
prefixes in the IPv4 router address family configuration
submode.
(Optional) Configures the maximum number of parallel paths
allowed in a routing table.
maximum-paths route-number
Example:
RP/0/RSP0/CPU0:router(config-isis-af)#
maximum-paths 16
Step 8
(Optional) Defines the administrative distance assigned to routes
discovered by the IS-IS protocol.
distance weight [ address / prefix-length [
route-list-name ]]
Step 9
Example:
RP/0/RSP0/CPU0:router(config-isis-af)#
distance 90
•
A different administrative distance may be applied for IPv4
and IPv6.
(Optional) Configures an IS-IS instance with an attached bit in the
Level 1 LSP.
set-attached-bit
Example:
RP/0/RSP0/CPU0:router(config-isis-af)#
set-attached-bit
Step 10
commit
Step 11
Configuring MPLS LDP IS-IS Synchronization
This task explains how to enable Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP)
IS-IS synchronization. MPLS LDP synchronization can be enabled for an address family under interface
configuration mode. Only IPv4 unicast address family is supported. This task is optional.
SUMMARY STEPS
1.
configure
2.
router isis instance-id
3.
interface type interface-path-id
4.
address-family ipv4 unicast
5.
mpls ldp sync [ level { 1 | 2 }]
6.
commit
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
OL-30423-03 313
Implementing IS-IS
Configuring MPLS LDP IS-IS Synchronization
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