Chapter 5: OSPF Configuration Guide

To configure virtual links, enter the following commands in the Configure mode.

Create a virtual

ospf add virtual-link <number-or-string>[neighbor <IPaddr>]

link.

[transit-area <area-num>]

 

 

Set virtual link

ospf set virtual-link <number-or-string>

parameters.

[state disableenable] [cost <num>]

 

[retransmit-interval <num>] [transit-delay <num>]

 

[priority <num>] [hello-interval <num>]

 

[router-dead-interval <num>] [poll-interval <num>]

 

 

Configure Autonomous System External (ASE) Link Advertisements

These parameters specify the defaults used when importing OSPF AS External (ASE) routes into the routing table and exporting routes from the routing table into OSPF ASEs.

To specify AS external link advertisements parameters, enter the following commands in the Configure mode:

Specify the interval which AS

ospf set export-interval <num>

external link advertisements

 

will be generated and flooded

 

to an OSPF AS.

 

 

 

Specify the number of AS

ospf set export-limit <num>

external link advertisements

 

which will be generated and

 

flooded to an OSPF AS.

 

 

 

Specify AS external link

ospf set ase-defaults [preference <num>]

advertisement default

[cost <num>] [type <num>]

parameters.

[inherit-metric]

 

 

Configure OSPF over Non-Broadcast Multiple Access

You can configure OSPF over NBMA circuits to limit the number of Link State Advertisements (LSAs). LSAs are limited to initial advertisements and any subsequent changes. Periodic LSAs over NBMA circuits are suppressed.

To configure OSPF over WAN circuits, enter the following command in Configure mode:

Configure OSPF over a WAN circuit.

ospf add nbma-neighbor <hostname-or-IPaddr>to-interface <name-or-IPaddr>[eligible]

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SmartSwitch Router User Reference Manual

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Cabletron Systems 9032578-02 Configure Ospf over Non-Broadcast Multiple Access, Create a virtual, Link, Set virtual link
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9032578-02 specifications

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