When is gateway address needed

In the first selection box, click on the down arrow and select the proper network interface. There will be a network connection listed for a dial-up, and one listed for each network card installed in the computer. DNS Suffix. Connection-specific DNS Suffix. The IP address will be listed in the current command line window. Other information such as the gateway address and DNS numbers will also be displayed. This window will contain information such as IP address, subnet mask, router address gateway , name server address DNS and other IP information.

If the network settings are grayed out select the click the lock to make changes button. Then enter in the admin account name and password to proceed with viewing the network settings. Choose the ethernet port by clicking the double arrows next to Show Fields and select Built in Ethernet. But opting out of some of these cookies may affect your browsing experience. Necessary Necessary. Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website.

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It is mandatory to procure user consent prior to running these cookies on your website. If you specify the gateway's IP address, then the host can use it's local routing table to determine where the gateway is.

Technically, if you could specify both the Interface and the MAC address while setting the default gateway, you then in theory would not need an IP address on your default gateway. But the key being, the MAC address by itself does not provide any indication of which interface to use. While not strictly related to your question, it's worth noting: This is why when you set a default gateway using an IPv6 Link-Local address, you must also indicate which interface to use. Because the link-local scope exists on each interface, the host can not use a routing table to determine exactly which interface the intended gateway exists within.

Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Is an IP address necessary for a gateway? Ask Question. Asked 1 year, 10 months ago. Active 1 year, 10 months ago. Viewed times. The FHRP has a virtual gateway address that the hosts use, and traffic sent to the virtual address is picked up by one of the physical routers, which then forwards the traffic.

If the primary router fails, a secondary router can determine that and take over forwarding the packets. In any case, the packets do not determine the path they take. Each packet is forwarded individually and independently of any other packets, based on the information in a router's routing table, and packets to the same destination from the same source can take different paths if a routing table changes.

Of course, one detail that gets looked at is whether a route matches. If I am sending to The next criteria that is typically looked at is to have more specific routes have priority over more general routes. By "specific" route, I mean smaller subnets. In other words, destination networks with fewer possible addresses. So, a "default gateway", also known as the "gateway of last resort", typically specifies a destination for all traffic to the 0. Any route for a smaller network will be "more specific" than that, and will take priority.

So, Third, routes typically have another field called a "metric", or sometimes a different name like "priority". If you have multiple networks that are the same size, this can have an impact.

These "metric' values may be something that is generated automatically e. The IP packets don't include any information about routing, except to specify the destination IP address. Routing details are determined by the equipment that handles the routing along the way, and such details are not typically placed in an IP packet. Therefore, equipment does not look for such detail, since it is not there.

Since equipment doesn't look for such information, it would be pointless to try to include such information. After that table, that document shows details e. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

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