[22602] in North American Network Operators' Group
Re: source filtering
daemon@ATHENA.MIT.EDU (Havard.Eidnes@runit.sintef.no)
Tue Jan 12 16:27:33 1999
To: amb@gxn.net
Cc: jared@puck.nether.net, nanog@merit.edu
From: Havard.Eidnes@runit.sintef.no
In-Reply-To: Your message of "Tue, 12 Jan 1999 17:51:36 +0000"
Date: Tue, 12 Jan 1999 21:15:06 +0100
> > 2) Using the "ip verifiy unicast reverse-path" Cisco feature
> > (it's in 11.1CC images when you use CEF, so I don't get a flood
> > of e-mails)
>
> I'm sure far more people would source filter if Cisco put this
> in CPE routers.
If I'm not terribly mistaken that'll happen (or has happened,
depending on your view) with 12.0.
Note that in 12.0, Cisco defaults to "no ip directed-broadcast",
a good thing IMHO.
- Håvard
