Specifications

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10.9.7 Virtual Link
Choose the menu Routing→OSPF→Virtual Link to load the following page.
Figure10-52 Virtual Link
The following entries are displayed on this screen:

Virtual Link Creation
Process ID: Select the desired OSPF process for configuration.
Transit Area ID:
The ID of the transit area. Virtual links can be configured
between any pair of area border routers having interfaces to a
common (non-
backbone) area. Here the common area is
named Transit Area.
Neighbor Router ID: The router ID of the neighbor portion of a virtual link.

Virtual Link Table
Select: Select the desired item for configuration. It is multi-optional.
Interface:
Displays the virtual interface. When you create a virtual link,
actually a virtual interface is created.
Transit Area ID: Displays the transit area ID of the virtual link.
Neighbor Router ID: Displays the neighbor router ID of the virtual link.
Retransmit Interval: The retransmit interval for the specified interface. Th
is is the
number of seconds between link-
state advertisements for
adjacencies belonging to this router interface. This value is
also used when retransmitting database descriptions and
link-
state request packets. The valid value ranges from 1 to
65535 seconds and the default is 5 seconds.
Hello Interval:
The hello interval for the specified interface in seconds. This
parameter must be the same for all routers attached to a
network. The valid value ranges from 1 to 65535 seconds and
the default is 10 seconds.
Dead Interval:
The dead interval for the specified interface in seconds. This
specifies how long a router will wait to see a neighbor router's
Hello packets before declaring that the router is down. This
parameter must be the same for all routers attach
ed to a
network. The valid value ranges from 1 to 65535 seconds and
the default is 40.