Configuring Stub Areas - Cisco Nexus 7000 Series Configuration Manual

Chapter 6 Configuring 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 7 k - d o c f e e d b a c k @ c i s c o . c o m .

Configuring Stub Areas

You can configure a stub area for part of an OSPFv2 domain where external traffic is not necessary. Stub
areas block AS External (type 5) LSAs, limiting unnecessary routing to and from selected networks. See
the
stub area.
BEFORE YOU BEGIN
Ensure that you have enabled the OSPF feature (see the
page
Ensure that there are no virtual links or ASBRs in the proposed stub area.
Ensure that you are in the correct VDC (or use the switchto vdc command).
SUMMARY STEPS
1.
2.
3.
4.
5.
6.
OL-20002-02
"Stub Area" section on page
6-14).
config t
router ospf instance-tag
area area-id stub
area area-id default-cost cost
show ip ospf instance-tag
copy running-config startup-config
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
6-8. You can optionally block all summary routes from going into the
"Enabling the OSPFv2 Feature" section on
Configuring Advanced OSPFv2
6-25