3Com Switch 8800 Family Configuration Guide

Configuring RIP 297
RIP-1 only sends the route with natural mask, that is, it always sends routes in the
route summary form. RIP-2 supports subnet mask and classless interdomain
routing. To advertise all the subnet routes, the route summary function of RIP-2
can be disabled.
Perform the following configuration in RIP view.
By default, RIP-2 route summary is enabled.
Setting the RIP
Preference
Each kind of routing protocol has its own preference, by which the routing policy
will select the optimal one from the routes of different protocols. The greater the
preference value is, the lower the preference becomes. The preference of RIP can
be set manually.
Perform the following configuration in RIP view.
By default, the preference of RIP is 100.
Specifying RIP Version of
the Interface
RIP has two versions, RIP-1 and RIP-2. You can specify the version of the RIP
packets processed by the interface.
RIP-1 broadcasts the packets. RIP-2 can transmit packets by both broadcast and
multicast. By default, multicast is adopted for transmitting packets. In RIP-2, the
multicast address is 224.0.0.9. The advantage of transmitting packets in the
multicast mode is that the hosts not operating RIP in the same network can avoid
receiving RIP broadcast packets. In addition, this mode can also make the hosts
running RIP-1 avoid incorrectly receiving and processing the routes with subnet
mask in RIP-2. When an interface is running in RIP-2 broadcast mode, the RIP-1
packets can also be received.
Perform the following configuration in interface view:
Tab le 262 Enable/disable RIP-2 route summary function
Operation Command
Enable the route summary function of RIP-2 summary
Disable the route summary function of RIP-2 undo summary
Tab le 263 Set the RIP Preference
Operation Command
Set the RIP Preference preference value
Restore the default value of RIP preference undo preference
Tab le 264 Specify RIP version of the interface
Operation Command
Specify the RIP version as RIP-1 for the
interface
rip version 1
Specify the RIP version as RIP-2 for the
interface
rip version 2 [ broadcast | multicast ]
Restore the default RIP version running on the
interface
undo rip version