> It doesn't play well with firewalls, NAT, or deep inspection because > none of the vendors have added support for it. I tried to get Cisco to > add IL support back in 2001, but they politely refused.
oddly, i'm not having trouble going through 5 different nats over 2 residential and 2 business dsl lines. one of the connections traverses 2 nats before reaching the intertubes. - erik
