What is the purpose of a proxy ETR used with LISP?
- to communicate with a non-LISP site
- to send map request packets to the MR on behalf of an ETR
- to perform a DNS lookup for any EID within an LISP site
- to register any EID addresses that are not within the mapping database
Explanation: A proxy egress tunnel router (PETR) is a router that connects to a non-LISP site such as to the Internet or a data center when a LISP site needs to communicate to a non-LISP site.
Exam with this question: CCNP Core Networking: Modules 15 - 16 Checkpoint Exam: IP Services and VPNs Exam
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