Cisco Nexus 7000 Series Configuration Manual page 182

Configuring Advanced OSPFv3
S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m .
Configuring Filter Lists for Border Routers
You can separate your OSPFv3 domain into a series of areas that contain related networks. All areas must
connect to the backbone area through an area border router (ABR). OSPFv3 domains can connect to
external domains as well, through an autonomous system border router (ASBR). See the
on page
ABRs have the following optional configuration parameters:
•
•
ASBRs also support filter lists.
BEFORE YOU BEGIN
Create the route map that the filter list uses to filter ip prefixes in incoming or outgoing Inter-Area Prefix
(type 3) LSAs. See
Ensure that you have enabled the OSPFv3 feature (see the
page
Ensure that you are in the correct VDC (or use the switchto vdc command).
SUMMARY STEPS
1.
2.
3.
4.
5.
6.
DETAILED STEPS
Command
Step 1
config t
Example:
switch# config t
switch(config)#
Step 2
router ospfv3 instance-tag
Example:
switch(config)# router ospfv3 201
switch(config-router)#
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
7-20
7-5.
Area range—Configures route summarization between areas. See the
Summarization" section on page
Filter list—Filters the Inter-Area Prefix (type 3) LSAs on an ABR that are allowed in from an
external area.
Chapter 16, "Configuring Route Policy Manager."
7-13).
config t
router ospfv3 instance-tag
address-family ipv6 unicast
area area-id filter-list route-map map-name {in | out}
show ipv6 ospfv3 policy statistics area id filter-list {in | out}
copy running-config startup-config
7-32.
"Enabling the OSPFv3 Feature" section on
Purpose
Enters configuration mode.
Creates a new OSPFv3 instance with the configured
instance tag.
Chapter 7 Configuring OSPFv3
"Areas" section
"Configuring Route
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