12-25-2022 11:09 PM
Hello,
I am trying to locate OSPF loops case studies, how they occur in the network ?
i can see many post about how to prevent it but I want to read more how loops occur in the network?
please help me
12-26-2022 12:07 AM
going though below doc. very informative
https://cdn2.hubspot.net/hubfs/3985396/Blog/Loop-Prevention-in-OSPF.pdf
12-26-2022 01:04 AM
do you run lab for ospf loop ?
12-26-2022 01:47 AM
The document INE produced good document for reference. - have used for my Lab purpose when I was giving Lab.
Cisco has good document (quite old but good to read - if you starting the initial level of understanding OSPF)
https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/7039-1.html#t5
The major case you see where the Loop occurs were when you redistribute between IGP, and also loop in the network design. ( you can eliminate using ACL to block - so loop can avoid)
in the case of BGP that will be taken care of intelligently.
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