Virtual-Link - Dell PowerConnect J-EX4200-24T Software Manual

Dell PowerConnect J-Series Ethernet Switch Complete Software Guide for Junos OS

virtual-link

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1742
virtual-link neighbor-id router-id transit-area area-id {
disable;
authentication key <key-id identifier>;
dead-interval seconds;
hello-interval seconds;
ipsec-sa name;
retransmit-interval seconds;
transit-delay seconds;
}
[edit logical-systems logical-system-name protocols (ospf | ospf3) area area-id],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols
ospf area area-id],
[edit protocols (ospf | ospf3) area area-id],
[edit routing-instances routing-instance-name protocols ospf area area-id]
Statement introduced before Junos OS Release 10.2 for J-EX Series switches.
For backbone areas only, create a virtual link to use in place of an actual physical link. All
area border routers and other routing devices on the backbone must be contiguous. If
this is not possible and there is a break in OSPF connectivity, use virtual links to create
connectivity to the OSPF backbone. When configuring virtual links, you must configure
links on the two routing devices that form the end points of the link, and both these two
routing devices must be area border routers. You cannot configure links through stub
areas.
—IP address of the routing device at the remote end of the virtual
neighbor-id router-id
link.
—Area identifier of the area through which the virtual link transits.
transit-area area-id
Virtual links are not allowed to transit the backbone area.
The remaining statements are explained separately.
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.
Configuring OSPF Areas