Joerg wrote:
>> Your sum works on the assumption that all HSRP pay-loads are 20 bytes
>> long.
>
> Yes, that's what the rfc states.
Agreed
>> The decode also says state: (0) Initial, but we don't know that this
is
>> true for "Op Code 3" HSRP
>> This is equally true for the Hellotime, Holdtime etc...
> dito
Agreed
>> Hence my thought that for any HSRP traffic with "Op Code 3" bail out
of
>> the decode and display "Undocumented Opcode"
>
> OK, now I've understood what you want :) I'll look into it - it
shouldn't
> be too hard.
Great
> In case you have a support contract with Cisco, maybe you can open a
case
> with their tac and ask for the docs. Just pleading for Cisco help on
> Mailinglists has a really low chance of success.
Quite right, not sure that I can raise a TAC, but I'll look into it.
At least now if anybody else gets the problem a quick google search for
HSRP and "Malformed Packet" will show them that It's not a problem with
their network
Regards
Nick
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