Configuring OSPF and OSPFv3 975
Configuring Virtual Links
Beginning in Privileged EXEC mode, use the following commands to
configure OSPF Virtual Links.
area
area-id
nssa
translator-role {always |
candidate}
Configure the translator role of the NSSA.
•
always
— The router assumes the role of the translator
when it becomes a border router.
•
candidate
— The router can participate in the translator
election process when it attains border router status.
area
area-id
nssa
translator-stab-intv
integer
Configure the translator stability interval of the NSSA.
The
integer
variable is the period of time that an elected
translator continues to perform its duties after it
determines that its translator status has been deposed by
another router. (Range: 0–3600)
area
area-id
nssa default-
information-originate
[metric
metric-value
]
[metric-type
metric-type-
value
]
Configure the metric value and type for the default route
advertised into the NSSA. The metric type can be
comparable (nssa-external 1) or non-comparable (nssa-
external 2).
area
area-id
nssa
no-redistribution
Prevent learned external routes from being redistributed
to the NSSA.
exit Exit to Global Config mode.
exit Exit to Privileged EXEC mode.
show ip ospf area
area-id
View the configuration and status of an OSPF area.
Command Purpose
configure Enter global configuration mode.
router ospf Enter OSPF configuration mode.
area
area-id
virtual-link
neighbor-id
Create the OSPF virtual interface for the specified area-
id and neighbor router. The
neighbor-id
variable is the IP
address of the neighboring router.
Command Purpose
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