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FortiGate-4000 Installation and Configuration Guide Version 2.50
FortiGate-4000 Installation and Configuration Guide 167
RIP configuration
The FortiGate implementation of the Routing Information Protocol (RIP) supports both
RIP version 1 as defined by RFC 1058, and RIP version 2 as defined by RFC 2453.
RIP version 2 enables RIP messages to carry more information, and to support simple
authentication and subnet masks.
RIP is a distance-vector routing protocol intended for small, relatively homogeneous,
networks. RIP uses hop count as its routing metric. Each network is usually counted
as one hop. The network diameter is limited to 15 hops.
This chapter describes how to configure FortiGate RIP:
• RIP settings
• Configuring RIP for FortiGate interfaces
• Adding RIP filters
RIP settings
To configure RIP on the FortiGate unit
1 Go to System > RIP > Settings.
2 Select Enable RIP.
When you enable RIP, the Fortigate unit starts the RIP process. The FortiGate unit
does not send or receive RIP packets until you enable RIP on at least one interface.
For information about configuring RIP, see “Configuring RIP for FortiGate interfaces”
on page 169.
3 Select Enable Advertise Default if you want RIP to always send the default route to
neighbors whether or not the default route is in the static routing table.
If you disable Advertise Default, RIP never sends the default route.
4 Change the following RIP default settings, as required.
RIP defaults are effective in most configurations. You should only have to change
these settings to troubleshoot problems with the RIP configuration.