Re: Spanning tree can slow the network?

[Jim Aragon <Jim () agdatasystems com>]

At 10:41 AM 7/14/2012, you wrote:

> But I don't understand why this pause occurs always on this sequence:
>
> 716    8.713191000    192.168.1.12    192.168.1.2    TCP    54 
> 50014 > microsoft-ds [ACK] Seq=47596 Ack=55126 Win=63153 Len=0
> 717    9.999665000    NexcomIn_1e:63:47 
> Spanning-tree-(for-bridges)_00    STP    60    Conf. Root = 
> 32768/0/00:10:f3:1e:63:45  Cost = 0  Port = 0x8003
> 718    10.689862000    192.168.1.12    192.168.1.2    TCP    362 
> [TCP segment of a reassembled PDU]
> 719    10.690663000    192.168.1.2    192.168.1.12    HTTP    79 
> HTTP/1.1 100 Continue
>
> More than one second to receive another packet from the server 
> (192.168.1.2) , I think this cannot be normal behaviour.

It would be easier for us to possibly analyze what's going on if 
you'd post an actual capture file somewhere (perhaps 
www.cloudshark.org) instead of a partial text listing. Try to capture 
the start of the conversation so that the TCP three-way handshake is 
present in the trace file. If necessary, remove any confidential 
information from the trace file. Include the full STP frames.

Jim

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