Re: packet fragmentation

From: Simon Marchese (sjm_news_at_yahoo.co.uk)
Date: 09/28/05 

Date: Wed, 28 Sep 2005 17:51:39 +0000 (UTC)

roboftheblues wrote:
> we have a unix box that receives ICMP fragmentation requests because
> the MTU size is too large, but it continues to retransmit the packet
> without changing the MTU size. I don't know Unix, how can I check if
> there is a setting on this box that is preventing the packet from
> fragmenting
>

You cannot stop a packet fragmenting if it is too big. Try looking in
the documentation for Path MTU discovery and the commands "no -o
tcp_pmtu_discover" and "no -o udp_pmtu_discover".

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