What could be the most likely cause?

Posted by: Pdfprep Category: H12-261-ENU Tags: , ,

Two BGP peers connected through a routed firewall are unable to establish a peer relationship.

What could be the most likely cause?
A . BGP peers must be Layer 2-adjacent.
B . EBGP multihop is not configured.
C . The firewall is not configured to allow IP protocol 89.
D . The firewall is not configured to allow UDP 179.

Answer: B

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