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Date: Tue, 16 Sep 1997 09:30:19 +1000 (EST)
From: "Daniel O'Callaghan" <danny@panda.hilink.com.au>
To: Yonny Cardenas <yonny@ingenieria.ingsala.unal.edu.co>
cc: hackers@FreeBSD.ORG
Subject: Re: Interface DOWN
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> 
> Why gated down an interface?
> 
> The following message is show :
> 
> router_a gated[190]: if_rtdown: DOWN route for interface ppp0
> 200.20.30.1/255.255.255.255
> router_b gated[154]: if_rtdown: DOWN route for interface ed0
> 168.176.1.5/255.255

You probably did not declare the interface to be passive.  You should 
declare ppp interfaces to be passive; not sure why ed0 went down. 

I use:

interfaces {
	interface all passive ;
} ;

Danny