Gordon Messmer wrote:
Florin Andrei wrote:
Maybe it does reply, just on a different interface? Is this a multi-homed system? Bonded interfaces?
There's only one interface with an IP address, and only one route back to the office.
If you were running tcpdump in promiscuous mode, re-run the tests with it non-promiscuous. Just to make sure the SYN is actually received by that system.