Hi,
I've two Freebsd boxes, One is NFS server which have a valid ip address and
the second one is NFS client behind NAT with an invalid IP .
On the server side, I've the following configurations:
# vi /etc/exports
/usr/local/www/data-dist/ripe/graphs 213.217.100.111 # The IP of NAT
server
/usr/local/www/data-dist/ripe/graphs 127.0.0.1 # this was for the test
/usr/local/www/data-dist/ripe/graphs 213.217.100.115 # The IP of the
NFS
server
I can mount localy without any problem:
# mount -t nfs 213.217.100.115:/usr/local/www/data-dist/ripe/graphs /mnt
or
# mount -t nfs 127.0.0.1:/usr/local/www/data-dist/ripe/graphs /mnt
But On NFS cleint I got the following error:
# mount 213.217.100.115:/usr/local/www/data-dist/ripe/graph /mnt
[udp] 213.217.100.115:/usr/local/www/data-dist/ripe/graph: RPCPROG_MNT:
RPC:
Timed out
[udp] 213.217.100.115:/tmp/test: RPCPROG_MNT: RPC: Timed out
...
I'm sure there is no network problem. Here is the dump on the client :
# tcpdump -n host 213.217.100.115
tcpdump: verbose output suppressed, use -v or -vv for full protocol
decode
listening on fxp0, link-type EN10MB (Ethernet), capture size 96 bytes
10:40:22.785099 IP 192.168.32.254.612 > 213.217.100.115.111: UDP,
length 56
10:40:22.786797 IP 213.217.100.115.111 > 192.168.32.254.612: UDP,
length 28
10:40:22.786923 IP 192.168.32.254.1149886527 > 213.217.100.115.2049: 40
null
10:40:22.787897 IP 213.217.100.115.2049 > 192.168.32.254.1149886527:
reply ok
24 null
10:40:22.787971 IP 192.168.32.254.779 > 213.217.100.115.111: UDP,
length 56
10:40:22.789326 IP 213.217.100.115.111 > 192.168.32.254.779: UDP,
length 28
10:40:22.789420 IP 192.168.32.254.680 > 213.217.100.115.729: UDP,
length 140
As you can see there is no NAT problem. Client recieves the packets from
server. But I just don't understand why mount cammand get the Time out error.
Best Regards
Ali
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