A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication problems between the two instances. Which description of the possible cause of issues in the routing domain is true?
A. The same interface cannot be advertised in two different IS-IS instances
B. The IS-IS "ISP" and "ISP2" instances are unrelated and unable to intercommunicate
C. The configured IS-IS NSEL value is not allowing the routing systems to establish a neighborship
D. The interface mode ip router is-is command was not included in the script
A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication proble
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A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication proble
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