Administrator Guide

Table Of Contents
Layer 3 Routing Commands 1859
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 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])
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
User Guidelines
This command has no user guidelines.
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