route command in Linux is used when you want to work with the IP/kernel routing table. It is mainly used to set up static routes to specific hosts or networks via an interface. It is used for showing or update the IP/kernel routing table.
What is ip route Linux?
ip route is used to manipulate entries in the kernel routing tables. Route types: unicast – the route entry describes real paths to the destinations covered by the route prefix. unreachable – these destinations are unreachable. Packets are discarded and the ICMP message host unreachable is generated.
What is ip route command?
The ip route command is one of the many features of the newer ip utility. This command can be used to display or modify the existing IP routing table. We can add, delete, or modify specific static routes to specific hosts or networks using ip route command.
What is route command used for?
The route command allows you to make manual entries into the network routing tables. The route command distinguishes between routes to hosts and routes to networks by interpreting the network address of the Destination variable, which can be specified either by symbolic name or numeric address.
What does ip route add do?
The ip route add nat command is used to rewrite the destination address of a packet from one IP or range to another IP or range. The iproute2 tools can only operate on the entire IP packet.
How does ip route work?
IP Routing describes the process of determining the path for data to follow in order to navigate from one computer or server to another. A packet of data traverses from its source router through a web of routers across many networks until it finally reaches its destination router using a routing algorithm.
How do I find my ip route?
To display the current state of the routing table, use the show ip route command in user EXEC or privileged EXEC mode. The show ip route command is a powerful tool to use at this point in your search. You can directly examine the routing table to determine if an entry for the host exists.
How do I clear ip route?
For both IPv4 and IPv6 networks, you can clear all routes in the routing table by entering the TCP/IP ROUTE command with the CLEAR and the NOW options. The NOW option clears dynamic and static routes (manually configured routes) including those that have active dialogs associated with them.
What does IP route 0.0 0.0 mean?
IP route 0.0. … 0.0 Fa0/0 in plain English means “packets from any IP address with any subnet mask get sent to Fa0/0″. Without any other more specific routes defined, this router will send all traffic to Fa0/0.
How do you add a route?
To add a route:
- Type route add 0.0. 0.0 mask 0.0. 0.0 <gateway>, where <gateway> is the gateway address listed for network destination 0.0. 0.0 in Activity 1. …
- Type ping 8.8. 8.8 to test Internet connectivity. The ping should be successful. …
- Close the command prompt to complete this activity.
How do I find my route?
The -r option of netstat displays the IP routing table. On the command line, type the following command. The first column shows the destination network, the second the router through which packets are forwarded. The U flag indicates that the route is up; the G flag indicates that the route is to a gateway.