North American Network Operators Group

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RE: Martian list of IP's to block???

  • From: Rubens Kuhl Jr.
  • Date: Fri Oct 01 13:57:36 1999

> 	Most of us can't "ip verify unicast reverse-path" our upstreams.

I think you can run it on low/mid-range Cisco routers with IOS 12, as CEF is
not 75xx privilege any more, although I have not tested myself.

> > Routing those networks to nul0 and turning 'ip verify unicast
> reverse-path'
> > on CEF-enabled Cisco routers does this without CPU load or does not ?

Rubens Kuhl Jr.