Configure Route Advertisement

03/26/2020 17 People found this article helpful 486,155 Views

Description

The SonicWall Security Appliance uses RIPv1 or RIPv2 to advertise its static and dynamic routes to other routers on the network. Changes in the status of VPN tunnels between the firewall and remote VPN gateways are also reflected in the RIPv2 advertisements. Choose between RIPv1 or RIPv2 based on your router’s capabilities or configuration. RIPv1 is an earlier version of the protocol that has fewer features, and it also sends packets via broadcast instead of multicast. RIPv2 packets are backwards-compatible and can be accepted by some RIPv1 implementations that provide an option of listening for multicast packets. The RIPv2 Enabled (broadcast) selection broadcasts packets instead of multicasting packets is for heterogeneous networks with a mixture of RIPv1 and RIPv2 routers

Resolution

To enable Route Advertisement for an Interface, follow these steps:

Click the EDIT icon in the Configure column for the interface. The Route Advertisement Configuration window is displayed
Select one of the following types of RIP Advertisements:

Disabled - Disables RIP advertisements.
RIPv1 Enabled - RIPv1 is the first version of Routing Information Protocol.
RIPv2 Enabled (multicast) - To send route advertisements using multicasting (a single data packet to specific notes on the network).
Network > Routing.
RIPv2 Enabled (broadcast) - To send route advertisements using broadcasting (a single data packet to all nodes on the network).

In the AdvertiseDefault Route menu, select Never, or When WAN is up, or Always.
Enable Advertise Static Routes if you have static routes configured on the SonicWall security appliance, enable this feature to exclude them from Route Advertisement.
Enable Advertise Remote VPN Networks if you want to advertise VPN networks.

Enter a value in seconds between advertisements broadcasted over a network in the Route Change Damp Time (seconds) field. The default value is 30 seconds. A lower value corresponds with a higher volume of broadcast traffic over the network. The Route Change Damp Time (seconds) setting defines the delay between the time a VPN tunnel changes state (up or down) and the time the change is advertised with RIP. The delay, in seconds, prevents ambiguous route advertisements sent as a result of temporary change in the VPN tunnel status.
Enter the number of advertisements that a deleted route broadcasts until it stops in the Deleted Route Advertisements (0-99) field. The default value is 1.
Enter a value from 1 to 15 in the Route Metric (1-15) field. This is the number of times a packet touches a router from the source IP address to the destination IP address.
If RIPv2 is selected from the Route Advertisements menu, you can enter a value for the route tag in the RIPv2 Route Tag (4 HEX Digits) field. This value is implementation-dependent and provides a mechanism for routers to classify the originators of RIPv2 advertisements. This field is optional.
If you want to enable RIPv2 authentication, select one of the following options from the RIPv2 Authentication menu:

User defined - Enter 4 hex digits in the Authentication Type (4 hex digits) field. Enter 32 hex digits in the Authentication Data (32 Hex Digits) field.
Cleartext Password - Enter a password in the Authentication Password (Max 16 Chars) field. A maximum of 16 characters can be used to define a password.
MD5 Digest - Enter a numerical value from 0-255 in the Authentication Key-Id (0-255) field. Enter a 32 hex digit value for the Authentication Key (32 hex digits) field, or use the generated key.

Click OK.

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Configure Route Advertisement

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