US 6,982,978 B1
Per user and network routing tables
Shujin Zhang, San Mateo, Calif. (US); Xi Xu, Milpitas, Calif. (US); Maria Alice Dos Santos, Redwood City, Calif. (US); Jane Jiaying Jin, San Jose, Calif. (US); Jie Chu, Los Altos, Calif. (US); and Shuxian Lou, San Jose, Calif. (US)
Assigned to Cisco Technology, Inc., San Jose, Calif. (US)
Filed on Feb. 28, 2002, as Appl. No. 10/86,396.
Application 10/086396 is a continuation of application No. 09/204639, filed on Dec. 02, 1998, granted, now 6,396,833.
Int. Cl. H04L 12/56 (2006.01)
U.S. Cl. 370—392 23 Claims
OG exemplary drawing
 
1. A gateway for routing a packet sent from a user in a system in which the user may be connected to multiple networks simultaneously, said packet having a destination network, the gateway including:
a table unique to the user, each entry in said table having a router network address corresponding to each network currently accessible;
a destination network table entry searcher coupled to said table;
a tunneling session initiator coupled to said matching network router; and
a packet forwarder coupled to said tunneling session initiator.