From: Ramy Sisy (ramysisy@inspiredmaster.com)
Date: Sat Sep 27 2008 - 17:47:25 ART
Hi Ed,
Technically speaking, the router (or device) that will inject a default
route to the OSPF domain should act as ASBR. The statement you have sent is
saying that it is not mandatory for an ASBR to inject a default route to the
entire OSPF domain but it could inject it.
ASBR usually inject routes about networks that are coming from another OSPF
domain different than participant OSPF domain. So you can consider default
route is the default path towards unknown networks to allow participant OSPF
domain routers accessing different OSPF domains.
HTH
BEST REGARDS,
RAMY SISY | CCIE II (SECURITY, ROUTING/SWITCHING)#17321, CCSI#30417
CCIE PROGRAM MANAGER
INSPIRED MASTER | INSPIRING CREATIVE THINKING... | WWW.INSPIREDMASTER.COM
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E. RAMYSISY@INSPIREDMASTER.COM
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Edouard Zorrilla
Sent: Friday, September 26, 2008 8:00 PM
To: security@groupstudy.com
Cc: ccie forum
Subject: Generating a default route ospf on the pix
It says :
"You can force an autonomous system boundary router to generate a default
route into an OSPF routing domain. Whenever you specifically configure
redistribution of routes into an OSPF routing domain, the router
automatically
becomes an autonomous system boundary router. However, an autonomous system
boundary router does not by default generate a default route into the OSPF
routing domain."
http://www.cisco.com/en/US/docs/security/asa/asa72/configuration/guide/ip.ht
m
l#wp1096119
I mean, I don't need to be an autonomous system boundary router to generate
a
default route, isn't ? I mean, whatever device inside the ospf domain can do
this:
hostname(config)# router ospf 2
hostname(config-router)# default-information originate always
Am I all right ?Regards
Blogs and organic groups at http://www.ccie.net
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