passive-interface

Mode

Router configuration: C3(su)‐>router(Config‐router)#

Usage

Split horizon prevents a network from being advertised out the same interface it was received on. This function is disabled by default.

Example

This example shows how to disable split horizon poison reverse for RIP packets transmitted on the VLAN 1 interface:

C3(su)->router(Config)#router rip

C3(su)->Router1(Config-router)#no split-horizon poison

passive-interface

Use this command to prevent RIP from transmitting update packets on an interface. The no form of this command disables passive interface.

Syntax

passive-interface vlan vlan-id

no passive-interface vlan vlan-id

Parameters

vlan vlanid

Specifies the number of the VLAN to make a passive interface. This VLAN

 

must be configured for IP routing as described in Pre‐Routing

 

Configuration Tasks” on page 18‐1.

 

 

Defaults

None.

Mode

Router configuration: C3(su)‐>router(Config‐router)#

Usage

This command does not prevent RIP from monitoring updates on the interface.

Example

This example shows how to set VLAN 2 as a passive interface. No RIP updates will be transmitted on VLAN 2:

C3(su)->router(Config)#router rip

C3(su)->router(Config-router)#passive-interface vlan 2

20-8 IPv4 Routing Protocol Configuration

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Enterasys Networks 9034313-07 manual Passive-interface, Router configuration C3su‐routerConfig‐router#