[PATCH] Netdump for review and testing -- preliminary version

[Sergey Kandaurov]

> From: Ryan Stone <rysto32 at gmail.com>
> Date: Wed, Sep 29, 2010 at 11:32 AM
> Subject: Re: [PATCH] Netdump for review and testing -- preliminary version
> To: Sergey Kandaurov <pluknet at gmail.com>
>
>
>> db> netdump
>>
>> -----------------------------------
>> netdump in progress. searching for server.. . . . . . . . . . . .
>> Failed to contact netdump server
>
> This can be fixed by putting:
>
> nd_server_port = NETDUMP_PORT;
>
> At the beginning of netdump_trigger.

Hi.

Thank you, that helped fixing it.
2nd and further netdumps work now.


Some more numbers below
[hosts are on diff. switches connected
with STP on same 1Gb MTU1500 LAN]

   packets  errs      bytes    packets  errs      bytes colls
[avg:]
      3488     0    4109874       4002     0     704800     0
[at the end:]
      3484     0    4076816       3989     0     680710     0
      3510     0    4086756       4066     0     712280     0
      3552     0    4136112       4107     0     714790     0
      3459     0    4059238       3995     0     681966     0
      3499     0    4077516       4037     0     709734     0
      3423     0    4004157       3936     0     678816     0
     13898     0   19118779      14018     0    2062568     0
     22206     0   31680314      21451     0    2959042     0
     22410     0   32086046      21710     0    2854724     0
     22231     0   31747238      21489     0    2899306     0
            input         (bce0)           output
   packets  errs      bytes    packets  errs      bytes colls
     18490     0   26180288      17757     0    2729082     0
       336     0      24674         90     0     622960     0
         6     0       1148          1     0        178     0

1687470 packets captured
2274879 packets received by filter
65676 packets dropped by kernel

It shows 30Mbps in average with up to 224 Mbps at the end.
The traffic picture is 1472 bytes UDP payload, and 4 bytes ack.
It took slightly less then 5 mins to netdump 1146 MB.

-- 
wbr,
pluknet