Having a hard time tracking this one down... Subscribers use RB112 with wireless card to connect via pppoe. src-nat=masquerade is on for the connection. Issue is at secure web sites - initial https page displays properly, but after entering logon info, page hangs and times out . Take the same MT and change it to static IP, no pppoe, srcnat=src-nat and all is fine.
Example site: https://onlinebanking.capitalone.com/onlinebanking
Thanks