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Command Reference OSPFv3 Commands
3.6 area virtual-link
Use this command to create a virtual link or set its parameters. Use the no form of this command to
restore the default setting.
area area-id virtual-link router-id [ hello-interval seconds ] [ dead-interval seconds ]
[ retransmit-interval seconds ] [ transmit-delay seconds ] [ instance instance-id ] [ authentication
ipsec spi spi [ md5 | sha1 ] [ 0 | 7 ] key ] [ encryption ipsec spi spi esp null [ md5 | sha1 ] [ 0 | 7 ]
key ]
no area area-id virtual-link router-id [ hello-interval ] [ dead-interva l ] [ retransmit-interval ]
[ transmit-delay ] [ instance ] [ authentication ] [ encryption ]
Parameter
Description
Parameter Description
area-id
ID of the area in which the virtual link is located.
It can be an integer or an IPv6 prefix.
Router-id Neighbor router ID of the virtual link.
hello-interval seconds
Sets the interval to send the hello message on the local virtual link
interface in the range from 1 to 65535 in the unit of seconds.
dead-interval seconds
Interval for the local interface of the virtual link to wait before
considering that the neighbor fails.
It is in the range from 1 to 65535 in the unit of seconds.
retransmit-interval seconds
Interval for retransmitting LSA on the local interface of the virtual link .
The range is from 1 to 65535 in the unit of seconds.
transmit-delay seconds
Delay on the local interface of the virtual link in sending LSA.
The range is from 1 to 65535 in the unit of seconds.
instnace instance-id
Specifies the instance corresponding to the virtual link. No virtual link
can be established between different instances. Range: 0.-255
authentication ipsec spi
spi [ md5 | sha1 ] [ 0 | 7 ] key
Specifies OSPFv3 authentication.
Authentication configuration on two neighboring devices must
be consistent. The service password-encryption command
enables a key to be displayed in the cipher-text format.
spi specifies a security parameter index, in the range from 256 to
4294967295.
md5 specifies the MD5 authentication mode.
sha1 specifies the SHA1 authentication mode.
0 indicates that a key is displayed in the plain-text format.
7 indicates that a key is displayed in the cipher-text format.
key specifies an authentication key.
encryption ipsec spi spi
esp null [ md5| sha1 ] [ 0|7 ]
key
Specifies OSPFv3 encryption authentication.
Authentication configuration on two neighboring devices must
be consistent. The service password-encryption command
enables a key to be displayed in the cipher-text format.