nanog mailing list archives

Re: source filtering


From: Havard.Eidnes () runit sintef no
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.

- HÃ¥vard


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