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Application Scenarios for Routing Policies[4]

Latest reply: Sep 30, 2018 13:55:11 568 2 0 0 0

Application of BGP to IGP

On the network shown in the figure. Device A and Device B are aggregation devices on a backbone network, and Device C and Device D are egress devices of a metropolitan area network (MAN). BGP peer relationships are established between Device A and Device C as well as between Device B and Device D. External routes are advertised to the MAN using BGP. The MAN runs OSPF to implement interworking.


To enable devices on the MAN to access the backbone network, Device C and Device D need to import routes. When OSPF imports BGP routes, a routing policy can be configured to control the number of imported routes based on private attributes (such as the community) of the imported BGP routes or modify the cost of the imported routes to control the MAN egress traffic.

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Created Sep 29, 2018 09:29:10

Good sharing!
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Author Created Sep 30, 2018 13:55:11

Thanks for sharing...
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