Exam 300-425 topic 1 question 110 discussion

Actual exam question from Cisco's 300-425

Question #: 110
Topic #: 1

A network engineer is troubleshooting connectivity issues between two WLCs running 8.x code in SSO mode and finds that the redundancy management heartbeat is failing. Which packet type must be filtered for heartbeats when taking a capture to verify communication?

A. RSTP
B. UDP
C. TCP
D. ICMP

Show Suggested Answer

Suggested Answer: B 🗳️

by madhir at Oct. 11, 2022, 3:47 p.m.

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madhir

Highly Voted 2 years, 8 months ago

Correct. Answer is B (UDP) Prior to release 8.0, ICMP ping is used to heart-beat with the peer WLC over the Redundancy Management Interface. As part of this feature for release 8.0, ICMP ping is replaced with a UDP message. https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/7-5/High_Availability_DG.html#pgfId-91515

upvoted 8 times

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Farhad123

Most Recent 4 months, 1 week ago

Selected Answer: B

UDP is the right answer

upvoted 1 times

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Bembs

1 year ago

Selected Answer: B

It’s B. UDP

upvoted 2 times

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Lakshan__97

1 year ago

Selected Answer: D

It says redundancy managemnet interface, RP is used UDP

upvoted 1 times

Lakshan__97

1 year ago

My bad naswer should be B, Prior to release 8.0, ICMP ping is used to heart-beat with the peer WLC over the Redundancy Management Interface. As part of this feature for release 8.0, ICMP ping is replaced with a UDP message.

upvoted 2 times

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