Re: NFS connection strangeness

From: Peter Jeremy <peterjeremy_at_optushome.com.au>
Date: Mon, 3 Mar 2008 19:51:11 +1100
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) 192.168.0.32.834052435 > 192.168.0.1.2049: 156 access [|nfs]
>10:30:57.280279 IP (tos 0x0, ttl 64, id 24588, offset 0, flags [DF], proto TCP (6), length 176) 192.168.0.1.2049 > 192.168.0.32.834052435: reply ok 124 access [|nfs]
>
>what the heck is 834052435 in 192.168.0.32.834052435 > 192.168.0.1.2049
>line?

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.

Received on Mon Mar 03 2008 - 07:51:15 UTC

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