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Mouning a Solaris NFS in Linux RH8

I'm a new Linux user and an trying to mount a Solaris 2.6 NFS share (host swan) on the Linux box (host check). The mount fails with the following snoop output:

       check -> swan         TCP D=111 S=783 Syn Seq=1634804928 Len=0 Win=5840
        swan -> check        TCP D=783 S=111 Syn Ack=1634804929 Seq=213067102 Len=0 Win=10136
       check -> swan         TCP D=111 S=783     Ack=213067103 Seq=1634804929 Len=0 Win=5840
       check -> swan         PORTMAP C DUMP
        swan -> check        TCP D=783 S=111     Ack=1634804973 Seq=213067103 Len=0 Win=10092
        swan -> check        PORTMAP R DUMP 64 map(s) found
       check -> swan         TCP D=111 S=783     Ack=213068415 Seq=1634804973 Len=0 Win=7872
       check -> swan         TCP D=111 S=783 Fin Ack=213068415 Seq=1634804973 Len=0 Win=7872
        swan -> check        TCP D=783 S=111     Ack=1634804974 Seq=213068415 Len=0 Win=10136
       check -> swan         MOUNT3 C Mount /usr
        swan -> check        TCP D=783 S=111 Fin Ack=1634804974 Seq=213068415 Len=0 Win=10136
       check -> swan         TCP D=111 S=783     Ack=213068416 Seq=1634804974 Len=0 Win=7872
        swan -> check        MOUNT3 R Mount OK FH=0084 Auth=unix
       check -> swan         ICMP Destination unreachable (Bad port)
       check -> swan         MOUNT3 C Mount /usr (retransmit)


UDP:  ----- UDP Header -----
UDP:  
UDP:  Source port = 32826
UDP:  Destination port = 648 (Sun RPC)
UDP:  Length = 80
UDP:  Checksum = 9DB2
UDP:  
RPC:  ----- SUN RPC Header -----
RPC:  
RPC:  Transaction id = 2067218425
RPC:  Type = 1 (Reply)
RPC:  This is a reply to frame 11
RPC:  Status = 0 (Accepted)
RPC:  Verifier   : Flavor = 0 (None), len = 0 bytes
RPC:  Accept status = 0 (Success)
RPC:  
MOUNT:----- NFS MOUNT -----
MOUNT:
MOUNT:Proc = 1 (Add mount entry)
MOUNT:Status = 0 (OK)
MOUNT:File handle = 0080000600000002000A000000000002
MOUNT:              689CA0AF000A000000000002689CA0AF
MOUNT:Authentication flavor = unix
MOUNT:

I've tried almost everything I can think of. Can anyone help?
0
GeoffHallSssl
Asked:
GeoffHallSssl
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1 Solution
 
liddlerCommented:
>     check -> swan         ICMP Destination unreachable (Bad port)
can the machines ping each other?
what is in /etc/sharetab on the solaris box?
Has /etc/rc3.d/S15nfs.server start
run successfully on the solaris box?
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GeoffHallSsslAuthor Commented:
>can the machines ping each other?
yes

>what is in /etc/sharetab on the solaris box?
>Has /etc/rc3.d/S15nfs.server start
>run successfully on the solaris box?

The Solaris nfs share can be mounted by any of our other Solaris machines. As can be seen by the snoop output the Solaris machine accepts the mount request and replies with an Ok on port 648. It seems to me that the Linux machine is not listening on this port.

The Linux machine is an NIS client from a Solaris NIS server. All of this is working fine.


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liddlerCommented:
Firewall?  Hardening (like Bastille)?
netstat -a| grep LISTEN | grep 648
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GeoffHallSsslAuthor Commented:
No firewall on this internal network.
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liddlerCommented:
Can you run the nfs client startup script and see if it complainds / works etc?
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GeoffHallSsslAuthor Commented:
What do you mean by the "nfs client startup script"?
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jlevieCommented:
Is the portmapper running on the Linux box(check with 'service portmap status')? Is the RedHat installation's default firewall running (check with 'iptables -L')?
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GeoffHallSsslAuthor Commented:
Bingo  - the RedHat default firewall _was_ running and blocking ports below 1023. Now fixed. Many thanks
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