Click the Exhibit button
What are two reasons for the message shown in the exhibit? (Choose two.)
A. The adjacency is failing because of a misconfigured attribute.
B. The adjacency is failing because of a faulty TCP connection.
C. The adjacency is failing because of a misconfigured address.
D. The adjacency is failing because of an authentication mismatch.
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AD
CD
On Juniper, if it sees a BGP connection come from an IP address that
doesn’t match a local “neighbor” statement, it will send a BGP
Notification, code 2 (Open Message Error), subcode 5 (authentication
failure)
D and C – best options
code: OPEN message error
subcode:
1 – Unsupported Version
2 – Bad Peer AS
3 – Bad BGP Identifier
4 – Unsupported Optional Parameter
5 – Authentication Failure
6 – Unacceptable Hold Time
https://www.inetdaemon.com/tutorials/internet/ip/routing/bgp/operation/messages/notification.shtml
C and D
A&C