NFS connection strangeness

Peter Jeremy peterjeremy at
Mon Mar 3 08:51:15 UTC 2008

On Mon, Mar 03, 2008 at 10:36:18AM +0300, Dmitry Marakasov wrote:
>connections on my 7.0-RELEASE boxes. First of all, no NFS-related
>TCP connection are showed in `sockstat -4c' (not on the client, nor on
>the server), though tcpdump clearly shows that there is TCP data
>exchange with alredy existing connection.

I see the same on 6.3 so I don't think this is a 7.0 effect.

>10:30:57.280063 IP (tos 0x0, ttl 64, id 46128, offset 0, flags [DF], proto TCP (6), length 208) > 156 access [|nfs]
>10:30:57.280279 IP (tos 0x0, ttl 64, id 24588, offset 0, flags [DF], proto TCP (6), length 176) > reply ok 124 access [|nfs]
>what the heck is 834052435 in >

It's the NFS transaction ID.  See the section "NFS Requests and Replies"
in tcpdump(1).

Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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