On 4/9/10 4:49 PM, Blaise Gassend wrote:
> Well, you defnitely do have some long packets in there, so the
steps I
> described before could help. Can you get error counts from your
wireless
> interface?
>
> On Fri, 2010-04-09 at 16:06 -0500, Dan Lazewatsky wrote:
>
>> Here's some more:
>>
>> 16:03:05.393873 00:16:44:c6:4f:f4 (oui Unknown)>
00:26:08:e9:8a:bc (oui
>> Unknown), ethertype IPv4 (0x0800), length 1514:
>> toil.robots.cse.wustl.edu.53552> 192.168.1.115.49680: .
>> 1130888:1132336(1448) ack 1 win 108<nop,nop,timestamp
5842447 497191153>
>> 16:03:05.393892 00:26:08:e9:8a:bc (oui Unknown)>
00:16:44:c6:4f:f4 (oui
>> Unknown), ethertype IPv4 (0x0800), length 66:
192.168.1.115.49680>
>> toil.robots.cse.wustl.edu.53552: . ack 1133784 win 65535
>> <nop,nop,timestamp 497191169 5842447>
>> 16:03:05.394168 00:16:44:c6:4f:f4 (oui Unknown)>
00:26:08:e9:8a:bc (oui
>> Unknown), ethertype IPv4 (0x0800), length 1514:
>> toil.robots.cse.wustl.edu.53552> 192.168.1.115.49680: .
>> 1132336:1133784(1448) ack 1 win 108<nop,nop,timestamp
5842456 497191153>
>> 16:03:05.394182 00:26:08:e9:8a:bc (oui Unknown)>
00:16:44:c6:4f:f4 (oui
>> Unknown), ethertype IPv4 (0x0800), length 66:
192.168.1.115.49680>
>> toil.robots.cse.wustl.edu.53552: . ack 1133784 win 65535
>> <nop,nop,timestamp 497191169 5842456>
>> 16:03:05.394233 00:26:08:e9:8a:bc (oui Unknown)>
00:16:44:c6:4f:f4 (oui
>> Unknown), ethertype IPv4 (0x0800), length 66:
192.168.1.115.49680>
>> toil.robots.cse.wustl.edu.53552: . ack 1129440 win 65535
>> <nop,nop,timestamp 497191168 5842437>
>> 16:03:05.394353 00:26:08:e9:8a:bc (oui Unknown)>
00:16:44:c6:4f:f4 (oui
>> Unknown), ethertype IPv4 (0x0800), length 66:
192.168.1.115.62595>
>> toil.robots.cse.wustl.edu.ssh: . ack 752 win
33304<nop,nop,timestamp
>> 497191168 5842439>
>> 16:03:05.394458 00:26:08:e9:8a:bc (oui Unknown)>
00:16:44:c6:4f:f4 (oui
>> Unknown), ethertype IPv4 (0x0800), length 66:
192.168.1.115.49680>
>> toil.robots.cse.wustl.edu.53552: . ack 1130888 win 65535
>> <nop,nop,timestamp 497191168 5842447>
>> 16:03:05.394563 00:26:08:e9:8a:bc (oui Unknown)>
00:16:44:c6:4f:f4 (oui
>> Unknown), ethertype IPv4 (0x0800), length 66:
192.168.1.115.49680>
>> toil.robots.cse.wustl.edu.53552: . ack 1133784 win 65535
>> <nop,nop,timestamp 497191169 5842447>
>> 16:03:05.395265 00:26:08:e9:8a:bc (oui Unknown)>
00:16:44:c6:4f:f4 (oui
>> Unknown), ethertype IPv4 (0x0800), length 98: 192.168.1.115>
>>
toil.robots.cse.wustl.edu:
ICMP echo request, id 12823, seq 5952, length 64
>>
>> -Dan
>>
>> On 4/9/10 3:56 PM, Blaise Gassend wrote:
>>
>>>> The man file isn't particularly useful for figuring
out how what the
>>>> output means, so here is a few lines:
>>>>
>>>> 15:04:57.045705 IP toil.robots.cse.wustl.edu.53552>
>>>> 192.168.1.115.49680: . 931064:932512(1448) ack 1 win
108
>>>> <nop,nop,timestamp 4970372 497156321>
>>>> 15:04:57.045710 IP 192.168.1.115.49680>
>>>> toil.robots.cse.wustl.edu.53552: . ack 931064 win 33304
>>>> <nop,nop,timestamp 497156335 4970352>
>>>> 15:04:57.045711 IP 192.168.1.1.http>
192.168.1.115.49706: P 1:351(350)
>>>> ack 597 win 6556<nop,nop,timestamp 172066583
497156334>
>>>> 15:04:57.045777 IP 192.168.1.115.49680>
>>>> toil.robots.cse.wustl.edu.53552: . ack 933960 win 33304
>>>> <nop,nop,timestamp 497156335 4970372>
>>>> 15:04:57.045809 IP 192.168.1.115.49706>
192.168.1.1.http: . ack 351 win
>>>> 33129<nop,nop,timestamp 497156335 172066583>
>>>>
>>>>
>>>>> Have you tried using compressed image transports?
>>>>>
>>>>>
>>> Strange, I have never seen tcpdump not print packet
lengths. Try adding
>>> -e.
>>>
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