From: Chaim Gev (chaimgev@xxxxxxxxxxx)
Date: Mon Aug 19 2002 - 08:55:05 GMT-3
>From 12.2 documentation:
"always (Optional) Always advertises the default route regardless of
whether the software has a default route."
It doesn't say that a deafult route will be advertised to a non valid
destination.
>From: Hunt Lee <ciscoforme3@yahoo.com.au>
>Reply-To: Hunt Lee <ciscoforme3@yahoo.com.au>
>To: ccielab@groupstudy.com
>Subject: Quick Question
>Date: Mon, 19 Aug 2002 21:21:51 +1000 (EST)
>
>hi all
>i have doubt
>I am trying to work out what does the "default-information originate
>route-map <test1>" command do.
>
>RTA --- RTB --- RTC --- 3.3.3.0/30
>
>Both RTA & RTB are in OSPF Area 0
>RTB & RTC are using EIGRP, so RTB is OSPF's ASBR
>
>3.3.3.0/30 is a Loopback interface at RTC.
>
>I have setup on RTB so that it will only advertise a default route
>into OSPF domain based on the existence of the 3.3.3.0/30 network
>(which is learnt via EIGRP from RTC).
>
>RouterB
>
>default-information originate route-map test1
>
>access-list 2 permit 3.3.3.0 0.0.0.3
>
>route-map test1 permit 10
> match ip address 2
>
>That works fine. However, after I changed the command to
>"default-information originate always route-map test1", I shut down
>the Loopback interface on RTC, and RTB suddenly stops advertising the
>Type 5 default route into OSPF (to RTA). Why?? I always thought
>that with the "always" keyword, the OSPF router will always (i.e. at
>all times) advertise a default route into OSPF, even if it hasn't got
>a default route in it's own routing table. Am I missing something
>simple here??
>
>N.B:- I have also search the CCO, it only talks about the
>"default-information originate" command, but without mentioning the
>"always" keyword and "route-map" option used together.
>
>thanks
>H.
>
>http://digital.yahoo.com.au - Yahoo! Digital How To
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