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Exam 300-410 topic 1 question 62 discussion

Actual exam question from Cisco's 300-410
Question #: 62
Topic #: 1
[All 300-410 Questions]

Refer to the exhibit.

Which action resolves the adjacency issue?

  • A. Configure the same autonomous system numbers.
  • B. Match the hello interval timers.
  • C. Match the authentication keys.
  • D. Configure the same EIGRP process IDs.
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Suggested Answer: A 🗳️
by palihaff at Jan. 16, 2022, 4:37 p.m.

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palihaff
Highly Voted 3 years, 5 months ago
So, I tested in lab and A is correct. If auth/timers are incorrect, you will get different debug msgs. D doesn't make sense.
upvoted 5 times
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bk989
Most Recent 10 months ago
C1(config-router)# 000439: *Sep 1 03:18:35: EIGRP: Sending HELLO on Et0/0 - paklen 20 000440: *Sep 1 03:18:35: AS 2, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 C1(config-router)# 000441: *Sep 1 03:18:39: EIGRP: Sending HELLO on Et0/0 - paklen 20 000442: *Sep 1 03:18:39: AS 2, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 C1(config-router)# 000443: *Sep 1 03:18:44: EIGRP: Sending HELLO on Et0/0 - paklen 20 000444: *Sep 1 03:18:44: AS 2, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 C1(config-router)# 000445: *Sep 1 03:18:49: EIGRP: Sending HELLO on Et0/0 - paklen 20 000446: *Sep 1 03:18:49: AS 2, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 C1(config-router)# no router eigrp 2 C1(config)#router eigrp 1 C1(config-router)#network 0.0.0.0
upvoted 2 times
bk989
10 months ago
C1(config-router)# 000502: *Sep 1 03:19:44: EIGRP: Received HELLO on Et0/0 - paklen 30 nbr 192.168.12.2 000503: *Sep 1 03:19:44: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 000504: *Sep 1 03:19:44: EIGRP: Receiving TIDLIST on Ethernet0/0 - 1 items 0 000505: *Sep 1 03:19:44: EIGRP: Sending TIDLIST on Ethernet0/0 - 1 items 000506: *Sep 1 03:19:44: EIGRP: Sending
upvoted 1 times
bk989
10 months ago
Answer = A
upvoted 1 times
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[Removed]
11 months, 3 weeks ago
Selected Answer: A
A is correct
upvoted 1 times
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SujanSikrikar
2 years, 4 months ago
Selected Answer: A
https://community.cisco.com/t5/routing/eigrp-autonomous-system-mismatch-detection/td-p/883790
upvoted 2 times
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palihaff
3 years, 5 months ago
somebody, who could explain this please?
upvoted 1 times
wts
3 years, 5 months ago
Mismatched AS Numbers When you enter the debug eigrp packets hello command, it reveals that the router does not receive the Hello packets. https://www.cisco.com/c/en/us/support/docs/ip/enhanced-interior-gateway-routing-protocol-eigrp/118974-technote-eigrp-00.html#anc36
upvoted 4 times
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Cyril_the_Squirl
1 year, 10 months ago
EIGRP router silently drops incoming EIGRP packets with wrong AS.
upvoted 5 times
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