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1236 Router Discovery Protocol Commands
Syntax Description
Default Configuration
• Router discovery is disabled by default.
• 1800 seconds is the default value for holdtime.
• 600 seconds is the default value for maxadvertinterval.
• The minadvertinterval default value is 450.
• The preference default value is 0.
• IP address 224.0.0.1 is the default configuration for address.
Command Mode
Interface Configuration (VLAN) mode
Parameter Description
multicast Configure the address that the interface uses to send the
router discovery advertisements to be 224.0.0.1, the all-hosts
IP multicast address. Use the no form of the command to
use 255.255.255.255, the limited broadcast address.
holdtime seconds Integer value in seconds of the the holdtime field of the
router advertisement sent from this interface. (Range: 4-
9000 seconds)
maxadvertinterval
seconds
Maximum time in seconds allowed between sending router
advertisements from the interface. (Range: 4 or the
minimum advertisement interval, whichever is greater, and
1800 seconds).
minadvertinterval
seconds
Minimum time in seconds allowed between sending router
advertisements from the interface. (Range: 3 to value of
maximum advertisement interval in seconds)
preference number Preference of the address as a default router address, relative
to other router addresses on the same subnet.
(Range: -2147483648 to 2147483647)
address address IP address for router discovery advertisements. (Range:
224.0.0.1
[all-hosts IP multicast address] or 255.255.255.255
[limited broadcast address])
2CSPC4.XCT-SWUM2XX1.book Page 1236 Monday, October 3, 2011 11:05 AM