[uClibc]NFS over ttyS0 --solved (MTU)
s duclos
sylvain_duclos at yahoo.com
Thu Feb 6 01:47:36 UTC 2003
Hi,
I had wierd problem with NFS.
This is to document the solution for googlers.
MTU must be the same for all machines from
the NFS server to the uClibc target.
The problem was that, after mounting, all command
from uClibc box to the nfs dir hang.
The setup is a SLIP link between a thinkpad 355C
(uClibc Linux 2.4.20) and a RH4.2 (2.0.30).
The server is a debian woody (2.4.20). RH4.2 and
debian are at MTU 1500 but the SLIP link is at MTU
296.
Got the hint from tcpdump when RH4.2 ask for
icmp: unreachable ... need to frag ... (or something)
Putting every body at MTU 1500 fix it. I think that
the MTU 296 was for slow modem over SLIP.
Thank for uClibc!
Sylvain.
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