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Exam 300-101 topic 1 question 159 discussion

Actual exam question from Cisco's 300-101
Question #: 159
Topic #: 1
[All 300-101 Questions]

A network administrator notices that the BGP state and logs are generated for missing BGP hello keepalives. What is the potential problem?

  • A. hello timer mismatch
  • B. MTU mismatch
  • C. incorrect neighbor options
  • D. BGP path MTU enabled
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Suggested Answer: B 🗳️
Introduction -
This document describes how to determine if internal or external Border Gateway Protocol (BGP) neighbor flaps are caused by maximum transmission unit (MTU) issues.

Problem -
BGP neighbors form; however, at the time of prefix exchange, the BGP state drops and the logsgenerate missing BGP hello keepalives or the other peer terminates the session.
References:
by Bastex at Sept. 17, 2019, 7:32 a.m.

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Bastex
5 years, 9 months ago
Reference: https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/116377-troubleshoot-bgp-mtu.html
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