ECS4660-28F_Management Guide-R03

C HAPTER 51 | IP Routing Commands
Open Shortest Path First (OSPFv2)
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EXAMPLE
This example creates a stub area 10.2.0.0, and assigns all interfaces with
class B addresses 10.2.x.x to the stub.
Console(config-router)#area 10.2.0.0 stub
Console(config-router)#network 10.2.0.0 0.255.255.255 area 10.2.0.0
Console(config-router)#
RELATED COMMANDS
area default-cost (1756)
area virtual-link This command defines a virtual link. To remove a virtual link, use the no
form with no optional keywords. To restore the default value for an
attribute, use the no form with the required keyword.
SYNTAX
area area-id virtual-link router-id
[authentication][dead-interval seconds] [hello-
interval seconds] [retransmit-interval seconds]
[transmit-delay seconds]
no area area-id virtual-link router-id
[authentication | dead-interval | hello-interval |
retransmit-interval | transmit-delay]
area area-id virtual-link router-id
authentication [message-digest | null]
[authentication-key key | message-digest-key key-id
md5 key]
no area area-id virtual-link router-id
authentication [authentication-key |
message-digest-key key-id]
area area-id virtual-link router-id
[authentication-key key | message-digest-key key-id
md5
key]
no area area-id virtual-link router-id
[authentication-key | message-digest-key key-id]
area-id - Identifies the transit area for the virtual link.The area ID
can be in the form of an IPv4 address or as a four octet unsigned
integer ranging from 0-4294967295.
router-id - Router ID of the virtual link neighbor. This specifies the
Area Border Router (ABR) at the other end of the virtual link. To
create a virtual link, enter this command for an ABR at both ends of
the link. One of the ABRs must be next to the isolated area and the
transit area at one end of the link, while the other ABR must be next
to the transit area and backbone at the other end of the link.
dead-interval seconds - Specifies the time that neighbor routers
will wait for a hello packet before they declare the router down. This