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OSPFv3 Commands
Example
The following example prevents Summary LSAs from being advertised into 
the area 1 NSSA. 
console(config)#ipv6 router ospf
console(config-rtr)#area 1 stub no-summary
area virtual-link
Use the area virtual-link command in Router OSPFv3 Configuration mode 
to create the OSPF virtual interface for the specified 
area-id and neighbor 
router. If the area has not been previously created, this command creates the 
area and then applies the virtual-link parameters. To remove the link, use the 
no form of the command. Use the optional parameters to configure dead-
interval, hello-interval, retransmit-interval and transmit-delay.
Syntax
area 
area-id virtual-link router-id [hello-interval seconds] [retransmit-
interval 
seconds] [transmit-delay seconds] [dead-interval seconds] 
no area 
area-id virtual-link router-id id [hello-interval] [retransmit-interval
[transmit-delay] [dead-interval
Parameter
Description
area-id
Valid OSPFv3 area identifier (or decimal value in the range of 
0-4294967295).
router-id
Identifies the Router ID or valid IP address of the neighbor.
hello-interval 
seconds
Number of seconds to wait before sending hello packets to the 
OSPF virtual interface. (Range: 1–65535)
dead-interval 
seconds
Number of seconds to wait before the OSPF virtual interface on 
the virtual interface is assumed to be dead. (Range: 1–65535)
retransmit-interval 
seconds
The number of seconds to wait between retransmitting LSAs if 
no acknowledgement is received. (Range: 0–3600)
transmit-delay 
seconds
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)
2CSPC4.X8100-SWUM102.book  Page 1298  Friday, March 15, 2013  8:56 AM