Configuring Route Summarization - Cisco Nexus 3000 Series Configuration Manual
Nx-os unicast routing configuration guide,
nx-os release 5.0(3)u1(1)
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Also See for Nexus 3000 Series:
- Command reference manual (356 pages) ,
- Configuration manual (182 pages) ,
- Installation manual (112 pages)
Table of Contents
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Configuring Advanced OSPFv2
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 3 k - d o c f e e d b a c k @ c i s c o . c o m
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
on page
BEFORE YOU BEGIN
Ensure that you have enabled the OSPF feature (see the
page
SUMMARY STEPS
1.
2.
3.
4.
5.
6.
DETAILED STEPS
Command
Step 1
configure terminal
Example:
switch# configure terminal
switch(config)#
Step 2
router ospf instance-tag
Example:
switch(config)# router ospf 201
switch(config-router)#
Step 3
area area-id range ip-prefix/length
[no-advertise]
Example:
switch(config-router)# area 0.0.0.10
range 10.3.0.0/16
Step 4
summary-address ip-prefix/length
[no-advertise | tag tag]
Example:
switch(config-router)# summary-address
10.5.0.0/16 tag 2
Cisco Nexus 3000 Series NX-OS Unicast Routing Configuration Guide, NX-OS Release 5.0(3)U1(1)
3-34
3-10.
3-13).
configure terminal
router ospf instance-tag
area area-id range ip-prefix/length [no-advertise]
summary-address ip-prefix/length [no-advertise | tag tag-id]
(Optional) show ip ospf summary-address
(Optional) copy running-config startup-config
"Route Summarization" section
"Enabling the OSPFv2 Feature" section on
Purpose
Enters configuration mode.
Creates a new OSPFv2 instance with the configured
instance tag.
Creates a summary address on an ABR for a range of
addresses and optionally does note advertise this
summary address in a Network Summary (type 3)
LSA.
Creates a summary address on an ASBR for a range of
addresses and optionally assigns a tag for this
summary address that can be used for redistribution
with route maps.
Chapter 3
Configuring OSPFv2
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