Re: [nsp] More on RPF checking bug

From: Basil Kruglov (basil@cifnet.com)
Date: Mon Feb 11 2002 - 01:49:02 EST


On Mon, Feb 11, 2002 at 08:34:57AM +0200, Hank Nussbacher wrote:
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios111/cc111/uni_rpf.htm
> states: "Unicast RPF is compatible with per-packet and per-destination load
> sharing using CEF."

correct me I'm wrong, but I think you want something like this

"ip verify unicast source reachable-via any" and not the
"ip verify unicast reverse-path" on your serial interfaces.

check http://www.cisco.com/public/cons/isp/documents/uRPF_Enhancement.pdf
for more details.

-Basil



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