Configuring OSPF and OSPFv3 1173
Configuring Virtual Links

Beginning in Privileged EXEC mode, use the following commands to

configure OSPFv3 Virtual Links.

Command Purpose
configure Enter global configuration mode.
ipv6 router ospf Enter OSPFv3 configuration mode.
area
area-id
virtual-link
neighbor-id
Create the OSPFv3 virtual interface for the specified
area-id
and neighbor router. The
neighbor-id
variable is
the IP address of the neighboring router.
area
area-id
virtual-link
neighbor-id
retransmit-
interval
seconds
Set the OSPFv3 retransmit interval for the virtual link
interface.
The
seconds
variable is the number of seconds to wait
between retransmitting LSAs if no acknowledgement is
received. (Range: 0–3600)
area
area-id
virtual-link
neighbor-id
hello-interval
seconds
Set the OSPFv3 hello interval for the virtual link.
The
seconds
variable indicates the number of seconds to
wait before sending Hello packets from the virtual
interface. (Range: 1–65535).
area
area-id
virtual-link
neighbor-id
dead-interval
seconds
Set the OSPFv3 dead interval for the virtual link.
The
seconds
variable indicates the number of seconds to
wait before the virtual interface is assumed to be dead.
(Range: 1–65535)
area
area-id
virtual-link
neighbor-id
transmit-
delay
seconds
Set the OSPFv3 Transit Delay for the interface.
The
seconds
variable is the number of seconds to
increment the age of the LSA before sending, based on
the estimated time it takes to transmit from the
interface. (Range: 0–3600)
exit Exit to Global Config mode.
exit Exit to Privileged EXEC mode.
show ipv6 ospf virtual-
link brief
View summary information about all virtual links
configured on the switch.