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3Com Switch 8800 Configuration Guide Chapter 18 RIP Configuration
18-4
Table 18-2 Enable RIP Interface
Operation Command
Enable RIP on the specified network network network-address
Disable RIP on the specified network undo network network-address
Note that after the RIP task is enabled, you should also specify its operating network
segment, for RIP only operates on the interface on the specified network segment. For
an interface that is not on the specified network segment, RIP does not receive or send
routes on it, nor forwards its interface route, as if this interface does not exist at all.
network-address is the address of the enabled or disabled network, and it can also be
configured as the IP network address of respective interfaces.
When a command network is used for an address, you can enable the network
address of the port, which also includes the subnet addresses. For example, for
network 129.102.1.1, you can see network 129.102.0.0 either using display
current-configuration or using display rip command.
By default, RIP is disabled on all the interfaces after it is started up.
18.2.3 Configuring Unicast of the Packets
Usually, RIP sends packets using broadcast or multicast addresses. It exchanges
routing information with non-broadcasting networks in unicast mode.
Perform the following configuration in RIP view.
Table 18-3 Configure unicast of the packets
Operation Command
Configure unicast of the packets peer ip-address
Cancel unicast of the packets undo peer ip-address
By default, RIP does not send any packets to any unicast addresses.
It should be noted that peer should also be restricted by rip work, rip output, rip input
and network.
18.2.4 Configuring Split Horizon
Split horizon means that the route received via an interface will not be sent via this
interface again. To some extent, the split horizon is necessary for reducing routing loop.
But in some special cases, split horizon must be disabled so as to ensure the correct
advertisement of the routes at the cost of efficiency. For example, split horizon is
disabled on a NBMA network if it runs RIP.
Perform the following configuration in interface view.