cwb1014:
At one time IB had a list of routers that were known to work with TWS. In 2002 I bought a router that was on that list (a Netgear FVS318). The Linksys router I was interested in at that time was not on the approved list so I did not buy it. Maybe a good starting point for you would be to try and find out what routers are known to work with TWS and buy one that is expected to work.
Catoosa
At one time IB had a list of routers that were known to work with TWS. In 2002 I bought a router that was on that list (a Netgear FVS318). The Linksys router I was interested in at that time was not on the approved list so I did not buy it. Maybe a good starting point for you would be to try and find out what routers are known to work with TWS and buy one that is expected to work.
Catoosa