Users Guide

1132 IP Routing
Configuring Router Discovery (IRDP)
Use the following commands to configure IRDP settings.
Command Purpose
configure Enter global configuration mode.
interface interface Enter interface configuration mode for the specified
VLAN routing interface. The interface variable includes
the interface type (vlan) and number, for example vlan
100.
ip irdp Enable IRDP on the interface.
ip irdp address ip-address Configure the address that the interface uses to send the
router discovery advertisements.
The allowed addresses are 224.0.0.1 (all-hosts IP
multicast address) or 255.255.255.255 (limited broadcast
address)
ip irdp holdtime seconds Configure the value of the holdtime field of the router
advertisement sent from this interface.
ip irdp maxadvertinterval
seconds
Configure the maximum time allowed between sending
router advertisements from the interface.
ip irdp minadvertinterval
seconds
Configure the minimum time allowed between sending
router advertisements from the interface.
ip irdp preference integer Configure the preference of the address as a default
router address relative to other router addresses on the
same subnet.
exit Exit to Global Config mode.
exit Exit to Privileged Exec mode.
show ip irdp [vlan vlan-id] View the router discovery information for all interfaces,
or for a specified interface.