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Figure 449: adding a virtual link – LevelOne GTL-2691 User Manual

Page 698

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C

HAPTER

20

| Unicast Routing

Configuring the Open Shortest Path First Protocol (Version 2)

– 698 –

CLI R

EFERENCES

"router ospf" on page 1476

"area virtual-link" on page 1490

C

OMMAND

U

SAGE

Use the Add page to create a virtual link, and then use the Configure

Detailed Settings page to set the protocol timers and authentication

settings for the link. The parameters to be configured on the Configure

Detailed Settings page are described under

"Configuring OSPF

Interfaces" on page 691

.

P

ARAMETERS

These parameters are displayed:

Process ID – Process ID as configured in the Network Area

configuration screen (see

page 670

).

Area ID – Identifies the transit area for the virtual link. The area ID

must be in the form of an IPv4 address, or also as a four octet unsigned

integer ranging from 0-4294967295.

Neighbor – 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, it must be configured 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.

W

EB

I

NTERFACE

To create a virtual link:

1.

Click Routing Protocol, OSPF, Virtual Link.

2.

Select Add from the Action list.

3.

Specify the process ID, the Area ID, and Neighbor router ID.

4.

Click Apply.

Figure 449: Adding a Virtual Link