A router is a machine that "routes" packets from one interface to one or more other interfaces.

A gateway is a router that connects a subnet (like your home LAN) to an external network (like the Internet).

-john.

On May 5, 2004, at 11:18 AM, DaveC wrote:

I'm trying to understand the difference between these two. An off-the-cuff poll seems to result in this semi-consensus:

A hardware box called a router is a one Ethernet-in port, and one (or more) Ethernet-out port(s) product. Firewall, DHCP, and NAT are typical features.

A box called a gateway is all the above plus an integrated cable or DSL modem.

Any agreements or disagreements welcome.

Thanks,
Dave
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