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Refer to the exhibit. Why is the neighbor relationship between R2 and R4 shown as ES-IS?

Posted: Sat Jul 23, 2022 7:02 pm
by answerhappygod
Refer to the exhibit.

Why is the neighbor relationship between R2 and R4 shown as ES-IS?
Refer To The Ex 1
Refer To The Ex 1 (102.75 KiB) Viewed 66 times
A. because there is an MTU mismatch between R2 and R4
B. because interface S3/0 of R4 is configured as L1/L2
C. because interface S3/0 of R2 is configured as L1
D. because there is a hello interval mismatch between R2 and R4