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Virtual If tab fields


Field Description
AreaId
The Transit Area Id that the virtual link traverses.
Neighbor
The router ID of the virtual neighbor.
TransitDelay
The estimated number of seconds it takes to transmit a link- state update packet over this interface. The default value is 1 second.
Retrans Interval
The number of seconds between link-state, advertisement, and retransmissions, for adjacencies belonging to this interface. This value is also used when retransmitting database description and link-state request packets. This value should be well over the expected round- trip time. The default value is 5 seconds.
HelloInterval
The length of time, in seconds, between the Hello packets that the router sends on the interface. This value must be the same for the virtual neighbor. The default value is 10 seconds.
RtrDeadInterval
The number of seconds that a router's Hello packets have not been seen before it's neighbors declare the router down. This should be some multiple of the Hello interval. This value must be the same for the virtual neighbor. The default value is 60 seconds.
State
The OSPF virtual interface states.
Events
The number of state changes or error events on this Virtual Link.
AuthType
Type of authentication required for the interface.
  • none = No authentication required.
  • simple password = All OSPF updates received by the interface must contain the authentication key specified in the interface AuthKey field.
  • MD5 authentication = All OSPF updates received by the interface must contain the md5 key.
Note: this field is not supported using Device Manager.
AuthKey
If Authentication Type is a simple password, the device will left adjust and zero fill to 8 octets.
Note: unauthenticated interfaces need no authentication key and simple password authentication can not use a key of more than 8 octets.


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