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RIP configuration

This option to configure RIP is available only when Sophos Firewall is deployed in Gateway mode.

Routing Information Protocol (RIP) is a widely used routing protocol that uses hop count to determine the best route to a destination.

Routing Information Protocol (RIP) is a distance-vector routing protocol intended for small, relatively homogeneous networks. It uses hop count as its routing metric. Each network is usually counted as one hop. The network diameter is limited to 15 hops. Hence, when the hop count becomes 16 network is considered as unreachable and at infinite distance.

Firewall uses RIP protocol to send routing update messages at regular intervals to the next router. Next router updates its routing table and increases the metric value for the path by 1 once it receives changes. The sender of the message is considered as the next hop. Firewall maintains only the route which has the least metric value to a destination.

Firewall implementation of RIP supports:

  • RIP version 1 (see RFC 1058)
  • RIP version 2 (see RFC 2453)
  • Plain text and Message Digest 5 (MD5) authentication

Removing routes

To remove route configuration, execute the no network command followed by the IP address in the command prompt as shown below. Be sure to replace the IP address with the appropriate address for your network.

rip(config)#no network

To exit this screen and return to the menu type exit.


Disabling RIP

To disable RIP routing configuration, execute the no router command from the command prompt as below:

rip(config)#no router rip

To exit this screen and return to the menu type exit.


RIP configuration task list

RIP must be enabled before carrying out any of the RIP commands.

To configure RIP, see RIP configuration steps

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