RIP 121
By default, RIP is not enabled.
Enabling RIP on a Specified Network
For flexible control of RIP operation, you can specify the interface and configure
the network on which the interface is located to the RIP network, so that these
interfaces can send and receive RIP packets.
Perform the following configurations in RIP View.
After the RIP interface is enabled, you should also specify its operating network
segment, because RIP only operates on the interface when the network segment
has been specified. RIP does not receive or send routes for an interface that is not
on the specified network, and does not forward its interface route.
When the network command is used for an address, the effect is to enable the
interface of the network with this address. For example, for network 129.102.1.1,
you can see network 129.102.0.0 either using the
display
current-configuration
command, or using the display rip command.
By default, RIP is disabled on all interfaces.
Configuring Unicast RIP Messages
RIP is a broadcast protocol. To exchange routing information with a non-broadcast
network, unicast transmission mode must be used.
Perform the following configuration in the RIP View.
By default, RIP does not send messages to unicast addresses.
3Com does not recommend the use of this command, because the destination
address does not need to receive two copies of the same message at the same
time. Note that
peer should be restricted using the following commands: rip
work
, rip output, rip input and network.
Specifying the RIP Version
RIP has two versions, RIP-1 and RIP-2. You can specify the version of the RIP packet
used 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
default multicast address is 224.0.0.9. The advantage of transmitting packets in
Tab le 113 Enabling RIP Interface
Operation Command
Enable RIP on the specified network network
network_address
Disable RIP on the specified
network
undo network
network_address
Tab le 114 Configuring unicast RIP messages
Operation Command
Configure unicast RIP message peer
ip_address
Cancel unicast RIP message undo peer
ip_address
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