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Not being an expert in TDS packet decodes I would
appreciate some help. I have captured a sql client - server conversation of TDS
packets that appears to have quite a few retransmissions from the server to the
client. The first odd frame is a TDS Response Packet from the server to the
client that ethereal says is a Short Frame. Then the server sends the same
packet again which is marked as an Unreassembled Packet.
The client sends a TCP ACK. Then the server sends
another TDS Unreassembled Packet followed by an identical packet marked as a TDS
Response Packet.
In reading the ethereal docs I get the sense that
Unreassembled Packets may be a false positive of the decode.
The general issue is that this client is at the end
of a 256kbps Frame Relay Link. Users on the same local network as the server
don't have any Unreassembled Frames or retransmissions. The performance at the
local client is a 1 -2 second response time while the remote users see upwards
of 10 seconds.
Am I chasing ghosts or do these packets give a
clue? Thanks in advance. - tomj
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