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Chapter 5: OSPF Configuration Guide
64 SmartSwitch Router User Reference Manual
To configure virtual links, enter the following commands in the Configure mode.
Configure Autonomous System External (ASE) Link Advertisements
These parameters specify the defaults used when importing OSPF AS External (ASE)
routes into the routing table and exporting routes from the routing table into OSPF ASEs.
To specify AS external link advertisements parameters, enter the following commands in
the Configure mode:
Configure OSPF over Non-Broadcast Multiple Access
You can configure OSPF over NBMA circuits to limit the number of Link State
Advertisements (LSAs). LSAs are limited to initial advertisements and any subsequent
changes. Periodic LSAs over NBMA circuits are suppressed.
To configure OSPF over WAN circuits, enter the following command in Configure mode:
Create a virtual
link.
ospf add virtual-link
<number-or-string>
[neighbor
<IPaddr>
]
[transit-area
<area-num>
]
Set virtual link
parameters.
ospf set virtual-link
<number-or-string>
[state disable|enable] [cost
<num>
]
[retransmit-interval
<num>
] [transit-delay
<num>
]
[priority
<num>
] [hello-interval
<num>
]
[router-dead-interval
<num>
] [poll-interval
<num>
]
Specify the interval which AS
external link advertisements
will be generated and flooded
to an OSPF AS.
ospf set export-interval
<num>
Specify the number of AS
external link advertisements
which will be generated and
flooded to an OSPF AS.
ospf set export-limit
<num>
Specify AS external link
advertisement default
parameters.
ospf set ase-defaults [preference
<num>
]
[cost
<num>
] [type
<num>
]
[inherit-metric]
Configure OSPF over a WAN
circuit.
ospf add nbma-neighbor
<hostname-or-IPaddr>
to-interface
<name-or-IPaddr>
[eligible]