Chapter 50
| IP Routing Commands
Routing Information Protocol (RIP)
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â—† Subnet addresses are interpreted as class A, B or C, based on the first field in the
specified address. In other words, if a subnet address nnn.xxx.xxx.xxx is entered,
the first field (nnn) determines the class:
0 - 127 is class A, and only the first field in the network address is used.
128 - 191 is class B, and the first two fields in the network address are used.
192 - 223 is class C, and the first three fields in the network address are used.
Example
This example includes network interface 10.1.0.0 in the RIP routing process.
Console(config-router)#network 10.1.0.0
Console(config-router)#
Related Commands
router rip (967)
passive-interface This command stops RIP from sending routing updates on the specified interface.
Use the no form to disable this feature.
Syntax
[no] passive-interface vlan vlan-id
vlan-id - VLAN ID. (Range: 1-4094)
Default Setting
Disabled
Command Mode
Router Configuration
Command Usage
â—† If this command is used to stop sending routing updates on an interface, the
attached subnet will still continue to be advertised to other interfaces, and
updates from other routers on that interface will continue to be received and
processed.
â—† Use this command in conjunction with the neighbor command to control the
routing updates sent to specific neighbors.
Example
Console(config-router)#passive-interface vlan1
Console(config-router)#
Related Commands
neighbor (970)
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