
Customizing OSPF Services
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Figure 7-7. Virtual Link and Transit Area
To configure an interface to support a virtual link:
1.
Identify the transit area that supports the virtual link.
2.
Identify the interface of the OSPF neighbor at the other end of the virtual
link.
Once you have defined the virtual link, you can:
• Enable and disable the virtual link.
• Specify a transit delay, a retransmit interval, a hello interval, and a dead
interval for the link.
• Specify a password.
You can use Site Manager to configure a virtual link.
Backbone network
Area B network
Area A network
Area C network
Key
Virtual
link
Transit
area
Border
router 1
Border
router 2
Area C
internal
router
Area A
internal
router
Area B
internal
router
IP0050A
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