[nsp] BVI and CEF together

[Josh Duffek]

CEF support for BVIs didn't start until CSCdm66218 was added, with and after
the following versions:
12.2(02)B 12.2(03.04)B 12.2(03.04)PB 12.2(03.03)S 12.2(02)T01 12.2(02.04)T
012.002(002.004)

Josh

----- Original Message -----
From: "Adam Atkinson" <Adam.Atkinson@damovo.com>
To: <cisco-nsp@puck.nether.net>
Sent: Tuesday, December 10, 2002 7:17 AM
Subject: [nsp] BVI and CEF together


> Cisco bug CSCdw86718 seems to suggest that CEF shouldn't be used
> on a BVI. Even though the status of the bug is "unreproducible" it
> appears to affect all known IOS versions.
>
> I'm trying to do dcef per-packet load sharing across a BVI and another
> interface.
>
> per-packet via process switching isn't an option as the BVI includes
> gigabit and fast ethernet interfaces, and this would kill the CPU.
>
> This is on a 7500 with RSP8 and IOS 12.1(6a).
>
> CEF seems to be a right royal pain in general: even with identical
> cost routes, and identical cef adjacencies, all the traffic goes
> one way. People have advised turning cef off and on again and such like,
> and I'm doing everything CCO says to do. Do I have to sacrifice goats
> at this point?
>
> --
> Adam Atkinson, Damovo
> t +44 870 4206108
> m +44 7810 852439
>
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