The default gateway is specified by the configuration setting often called default route. The networking software stack of each computer contains a routing table that specifies which interface is used for transmission and which router on the network is responsible for forwarding to a specific set of addresses. Posted by Mike on Nov 09, A packet addressed outside of this range, for this example, addressed to A default gateway is the node in a computer network using the Internet Protocol Suite that serves as the forwarding host router to other networks when no other route specification matches the destination IP address of a packet.

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By using this site, you agree to the Terms of Use and Privacy Policy. I don’t know the chip set or what NIC it is. MX ethernet controller missing, recovery disk Helpful 0 Not Helpful Comment Flag.

If the routers do not use a routing protocol to discover which network each router is connected to, then the routing table of each router must be set up. Since the route is unknown to router1, it will go to router1’s default gateway, and never reach router3. Router2 also has no route to PC3, and it will forward the packets to its default gateway router1. Related Topics mx3 ethernet controller PL model p in driver mx 10 manual.


The address range assignable to hosts is from You didn’t list your operating system. Try reinstalling the OS. Helpful 1 Not Helpful 1 Comment Flag. If none of these forwarding rules is appropriate for a given destination address, the default gateway is chosen as the router of last resort.

SOLVED: Mx ethernet controller missing – Fixya

Here is the link. A gateway is a network node that serves as an access point to another network, often involving not only a change of addressing, but also a different networking technology.

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Default gateway

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I’m not endorsing this auction over any others but at least you know it’s there. The packet contains source and destination, not all router hops.

Tell us some more! At last the packet will arrive back to router1, which will check for matching packet ID and route it accordingly through erhernet or router3 or directly to PC1 which was connected in the same network segment as router1. This router also has a default route configured to a device on an adjacent network, one hop closer to the public Network.


The destination IP address remains In this example, none of the internal routers know the route to that host, so they will forward the packet through router1’s gateway or default route.

Posted by Mike on Nov 09, In another example, a network with three routers and three hosts is connected to the Internet through Router1.

Prashant M Level 3 Expert Answers. Please assign your manual to a product: The default gateway is specified by the configuration setting often called default route. The packet will die because the TTL -value decreased to less than 1 when it was traveling through the routers, or the router will see that it has a private IP and discard it. The IP-address could be How can this be resolved.

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