Cisco Nexus 7000 Series - Configuring Route Summarization

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Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
Chapter 7 Configuring OSPFv3
Configuring Advanced OSPFv3
The following example shows how to limit the number of redistributed routes into OSPF:
switch# config t
switch(config)# router ospfv3 201
switch(config-router)# address-family ipv6 unicast
switch(config-router-af)# redistribute bgp route-map FilterExternalBGP
switch(config-router-af)# redistribute maximum-prefix 1000 75
Configuring Route Summarization
You can configure route summarization for inter-area routes by configuring an address range that is
summarized. You can also configure route summarization for external, redistributed routes by
configuring a summary address for those routes on an ASBR. See the “Route Summarization” section
on page 7-10.
BEFORE YOU BEGIN
Ensure that you have enabled the OSPF feature (see the “Enabling the OSPFv3 Feature” section on
page 7-13).
Ensure that you are in the correct VDC (or use the switchto vdc command).
SUMMARY STEPS
1. config t
2. router ospfv3 instance-tag
3. address-family ipv6 unicast
4. area area-id range ipv6-prefix/length [no-advertise]
or
5. summary-address ipv6-prefix/length [no-advertise] [tag tag]
6. show ipv6 ospfv3 summary-address
7. copy running-config startup-config
Step 6
show running-config ospfv3
Example:
switch(config-router)# show
running-config ospf
(Optional) Displays the OSPFv3 configuration.
Step 7
copy running-config startup-config
Example:
switch(config-router)# copy
running-config startup-config
(Optional) Saves this configuration change.
Command Purpose