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Sequence number different on both sides of conversation
After finding the wireshark evidence and backed by your comments, the customer now confirms there is a firewall in the path after all. Moral of the story - never trust someone's word when troubleshooting. Just for further reference, the answer is yes: seq/ack numbers should match on both ends... -
Sequence number different on both sides of conversation
dcss00, yes the port numbers are the same on both sides of the conversation as well. Someone else suggested TCP Offload may be to blame. I can't check right now, but believe at least one end of the conversation may have TOE enabled. Anyone else's thoughts on TOE as a possible cause of what we... -
Sequence number different on both sides of conversation
One extra remark. The WAN link is actually a VPN connection. Could that explain things? It was my understanding a VPN would just encapsulate the TCP/IP packets - or could it modify SEQ/ACK numbers? -
Sequence number different on both sides of conversation
kr9, Thanks for your reply. The source and destination addresses are indeed the same in the WireShark traces on both ends. I ran a continuous ping between both sides during the test and based on the location of the ping packets I was able to match the other packets between both wireshark... -
Sequence number different on both sides of conversation
I am trying to troubleshoot a dropping network connection between 2 Windows servers on different sides of a WAN connection. I took wireshark traces on both ends of the conversation and then reproduced the problem. I'm analyzing the wireshark output, and see different sequence and acknowledge...
