1238 Router Discovery Protocol Commands
Example
The following example sets the limited broadcast address as the IP address for
router discovery advertisements.
console(config)#interface vlan 15
console(config-if-vlan15)#ip irdp address
255.255.255.255
ip irdp holdtime
Use the ip irdp holdtime command in Interface Configuration mode to
configure the value, in seconds, of the holdtime field of the router
advertisement sent from this interface. Use the no form of the command to
set the time to the default value.
Syntax
ip irdp holdtime
integer
no ip irdp holdtime
integer
— Integer value in seconds of the the holdtime field of the router
advertisement sent from this interface. The holdtime must be no less than
the maximum advertisement interval and cannot be greater than 9000
seconds.
Default Configuration
The holdtime defaults to 3 times the maximum advertisement interval.
Command Mode
Interface Configuration (VLAN) mode.
User Guidelines
The holdtime is the length of time that a host considers the router
advertisement valid. After the holdtime expires, a host will no longer use the
router as its default gateway.
Example
The following example sets hold time at 2000 seconds for VLAN 15.
2CSPC4.XCT-SWUM2XX1.book Page 1238 Monday, October 3, 2011 11:05 AM