This is probably a very easy question to answer but is there a command that will give the default gateways on interfaces? There is literally nothing stopping people from setting the gateway IP to 172.14. ©2020 Infosec, Inc. All rights reserved. How can i determine the default gateway of the end devices? A default gateway is the network device where all your network traffic will be routed through, such as a router or a cablemodem. All other trademarks are the property of their respective owners. Somewhere in that info you should see the IP address listed. To configure a default route, you will use wildcards in the network address and mask. We define either a classless /24 subnet or a class C subnet. We are using Cisco 1720 and PIX 515E. Note: Router C IP Address refers to the interface IP address on Router C. IP routing must be enabled on the router (which is by default). The router should put the default-gateway assigned via dhcp in the routing table. If it is not enabled, 'ip route' and 'ip default-network' will not work. It is like having another employee that is extremely experienced. I'm kinda getting it, since now I know that the first assignable/usable host will be the default gateway. Broadcast is always at the top end of the range, I already performed IP Addressing and the end devices already has an IP address. Router(config)#ip default-gateway Example In the below example R1 has lost routing functionality, we will set a default gateway so it can restore reachbility. If you have a computer connected to two different networks, you can have one device like a router that is the default gateway, your "gateway" to the Internet, and another gateway that lets you access some internal network. R1(config)#do show ip … In this example, the IP address of the interface on Router C will be our default network for packets destined for x.x.x.x. here is some config that will work in this enviroment. did most students around the USA just start doing "distance learning" this  past week? 2^(8) = 256 hosts. When asked, what has been your best career decision? It means if you don't have any other specific route, then send x.x.x.x to the next hop and that router will take care of it. ? (Unlock this solution with a 7-day Free Trial), Once you are in Privileged EXEC Mode, enter Global Configuration Mode. 1 Solution. Join Yahoo Answers and get 100 points today. Does the router come with wifi or do I need to find a carrier and connect the router to that? It is a This then uses a wildcard of the next set of as the subnet mask. When you as the network administrator create a static route to network, this is another way of setting the gateway of last resort on a router. you can also notice that the gateway of last resort is now set in the routing table as shown above. First off your subnetting is incorrect fa0/0 and fa0/1 need to be on seperate subnets. Logically people dont and they generally use the lower or upper octet in the IP range. I have a router,switch, and 2 end devices. This is more workable in a stub network (networks with one exit path). Router A interface refers to a specific interface IP address on Router A. It also worked when i performed static route. Principal Engineer at Quadchain Solutions Foundation. Since it is based on the network, it allows configuration of routable protocol's default routes. There are times when a packet requires being sent to another network that is not defined in the routing table. Once you login, use 'enable' to access Privileged EXEC Mode on the router. Often times you configure static routes to determine the best path on a router. Note: A default route is not the same as a default gateway, unless it is on the routing device. I don't know if this is correct but what i did is: your gateway is the IP address of the routers interface that is connected to your LAN. If all the networks have the same administrative distance then the network listed first in the routing table (show ip route lists the routing table) is chosen as the network for the gateway of last resort. Note: You can also use the shortcut 'conf t', but for this example the standard form is used. We shall call the device we will configure Router A. Issue the command from the Global Configuration mode prompt on the CLI: The default route is then set for all packets bound for an IP of x.x.x.x to Router C. The client computers don't need to know this information. Youve got a couple things wrong. There will be two other routers in this example called Router B and Router C. You are on a LAN using a laptop with an IP of This is created as an entry on the routing table of the router. On the exam you may encounter a question where they tell you to assign the last assignable host to the default