I believe this is what you seek: http://isaserver.org/authors/harrison/tutoials/isanetworks.htm Jim Harrison MCP(NT4, W2K), A+, Network+, PCG http://isaserver.org/authors/harrison/ Read the books! ----- Original Message ----- From: "Lanny" <Lannyshen@xxxxxxxxxxxxxxx> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> Sent: Wednesday, May 08, 2002 10:49 PM Subject: [isalist] How to configure the firewall for access Internet from another sub-network http://www.ISAserver.org The ISA's network cards IP are:172.20.2.1(Internal) and 210.*.*.*,we have 2 segments addresses,A is 172.20.2.*/24;B is 172.20.3.*/24,A to B is linked directly by each router,NOW A and B PING each other are OK,my question is how is the client of 172.20.3.* able to access to Internet by ISA(the client of 172.20.2.* can access Internet via ISA and the routers' setting are all right)? ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: jim@xxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')