> Date: Wed, 25 Mar 1998 20:36:50 -0500 (EST)
> From: "Richard B. Johnson" <root@chaos.analogic.com>
>
> If the MRU and MTU is set to 592, ftp data will never be transferred.
>
> ... good data point...
>
> There is a high send-Q and absolutely nothing, no probes, no nothing
> comes down the ppp link. Further, I don't see anything having to do with
> port 1053 going from chaos->quark (ppp server). Everything is dead quiet.
>
> Do you happen to be seeing these in the logs?
>
> sending pkt_too_big to self
>
Nothing in any logs.
> If not, turn off pmtu discovery:
>
> echo "1" >/proc/sys/net/ipv4/ip_no_pmtu_disc
>
This "fixes" it.
>
> What do you normally set the MTU parameters to?
I leave then blank and they default to 1500 -- which may be a bit
high for a ppp link.
Cheers,
Dick Johnson
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