Setting The Priority For Adding Prefixes To The Rib - Cisco ASR 9000 Series Configuration Manual

Implementing IS-IS
Command or Action
Step 10
show isis [ ipv4 | ipv6 | afi-all ] [ unicast | safi-all ]
route [ detail ]
Example:
RP/0/RSP0/CPU0:router(config-isis-if-af)# show
isis ipv4 route detail

Setting the Priority for Adding Prefixes to the RIB

This optional task describes how to set the priority (order) for which specified prefixes are added to the RIB.
The prefixes can be chosen using an access list (ACL), prefix list, or by matching a tag value.
SUMMARY STEPS
1. configure
2. router isis instance-id
3. address-family { ipv4 | ipv6 } [ unicast ]
4. metric-style wide [ transition ] [ level { 1 | 2 }]
5. spf prefix-priority [ level { 1 | 2 }] { critical | high | medium } { access-list-name | tag tag }
6. commit
DETAILED STEPS
Command or Action
Step 1 configure
Step 2 router isis instance-id
Example:
RP/0/RSP0/CPU0:router(config)# router isis isp
Step 3
address-family { ipv4 | ipv6 } [ unicast ]
Example:
RP/0/RSP0/CPU0:router(config-isis)# address-family
ipv4 unicast
Step 4
metric-style wide [ transition ] [ level { 1 | 2 }]
Example:
RP/0/RSP0/CPU0:router(config-isis-af)# metric-style
wide level 1
OL-30423-03
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
Setting the Priority for Adding Prefixes to the RIB
Purpose
Displays tag information. Verify that all tags are present
in the RIB.
Purpose
Enables IS-IS routing for the specified routing process,
and places the router in router configuration mode. In
this example, the IS-IS instance is called isp.
Specifies the IPv4 or IPv6 address family, and enters
router address family configuration mode.
Configures a router to generate and accept only
wide-link metrics in the Level 1 area.
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