North American Network Operators Group

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Re: source filtering

  • From: Havard.Eidnes
  • Date: Tue Jan 12 16:23:34 1999

> > 	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