Cisco pix udp packet size edns (bind8/9)
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Fri Aug 8 00:29:32 UTC 2003
> Hi,
>
> Just a quick update on this problem : cisco has just released version
> 6.3.2 which allows you to modify the DNS/UDP max packet size :
>
> fixup protocol dns maximum-length <size>
>
> this seems to solve the EDNS problem that a lot of people had.
>
> Now, what would be a decent value for max packet size ?
Whatever the DNS clients (in this case named) advertise: 4096.
> We had problems
> mainly with Akamai'd web servers (like Yahoo!).
>
> I think that :
> no sysopt nodnsalias inbound
> no sysopt nodnsalias outbound
> are new options too.
>
> ,
> Stephane
>
>
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at isc.org
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