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Ask the Expert- SD-WAN

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Beginner

Flushing OSPF routers tables in the entire network.

We have a small network of 100 devices, running OSFPv2.  On occasion, I'll have a "guest" router added to the network, at which time, I want to delete all routers routing-tables, and rebuild from scratch.  I don't want the guest having the ability to see older routes, or interrogate others.

 

This might be overkill, but it is what the customer wants.

 

Any thoughts?

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VIP Collaborator

Re: Flushing OSPF routers tables in the entire network.

Interesting situation. Can I suggest:

1- Peer on your regular network using MD5 authentication so the guest cannot establish a peer without your knowledge.

2- Designate the guest router to peer in its own area, make it totally stubby and only send the default route to it.

3- You could also MD5 authenticate with the peer with a unique password / key.

Hope this helps

2 REPLIES 2
VIP Collaborator

Re: Flushing OSPF routers tables in the entire network.

Interesting situation. Can I suggest:

1- Peer on your regular network using MD5 authentication so the guest cannot establish a peer without your knowledge.

2- Designate the guest router to peer in its own area, make it totally stubby and only send the default route to it.

3- You could also MD5 authenticate with the peer with a unique password / key.

Hope this helps

Beginner

Re: Flushing OSPF routers tables in the entire network.

Very helpful, thanks.


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