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".