You are asked to implement a point-to-multipoint hub-and-spoke topology in a mixed vendor
environment. The hub device is running the Junos OS and the spoke devices are different vendor
devices. Regarding this scenario, which statement is correct?
A.
The NHTB table must be statically defined.
B.
The NHTB table is automatically created during Phase 2.
C.
The NHTB table is automatically created during Phase 1.
D.
The NHTB table must be imported from each spoke.
Explanation:
Referencehttp://www.juniper.net/techpubs/en_US/junos/topics/example/vpn-hub-spoke-nhtbexample-configuring.html
Answer is “A” . look at AJSEC book part 1 chapter 6 page 37 .
If both sides running junos OS the NHTB route can aotumatically be obtained from the remote peer during phase 2 negotiations using the NOTIFY_NS_NHTB_INFORM message . if not , the next hop can be entered manually .
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