Router Discovery Protocol Commands 1005
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Router Discovery Protocol
Commands
Routers can be configured to periodically send router discovery messages to
announce their presence to locally attached hosts. The router discovery
message advertises one or more IP addresses on the router that hosts can use
as their default gateway. Hosts can send a router solicitation message asking
any router that receives the message to immediately send a router
advertisement, so that the host does not have to wait for the next periodic
message.
Router discovery enables hosts to select from among multiple default
gateways and switch to a different default gateway if an initially designated
gateway goes down.
This chapter explains the following commands:
•ip irdp
• ip irdp address
•ip irdp holdtime
• ip irdp maxadvertinterval
• ip irdp minadvertinterval
• ip irdp multicast
• ip irdp preference
• show ip irdp
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