Discuss Juniper JN0-683 Exam Topic 1 Question 42

Exhibit.

The exhibit shows the truncated output of the show evpn database command.

Given this output, which two statements are correct about the host with MAC address 40:00:dc:01:00:04? (Choose two.)

AThe host is assigned IP address 10.4.4.5.

BThe host is originating from irb.300.

CThe host is located on VN110002.

DThe host is originating from an ESI LAG.

Suggested Answer: A, D

Understanding the Output:

The show evpn database command output shows the MAC address, VLAN, active source, timestamp, and IP address associated with various hosts in the EVPN instance.

Analysis of the MAC Address:

Option A: The MAC address 40:00:dc:01:00:04 is associated with the IP address 10.4.4.5, as indicated by the output in the IP address column. This confirms that this host has been assigned the IP 10.4.4.5.

Option D: The active source for the MAC address 40:00:dc:01:00:04 is listed as 00:02:00:00:00:04:00:04:00:00:04:00:04, which indicates that the host is connected via an ESI (Ethernet Segment Identifier) LAG (Link Aggregation Group). This setup is typically used in multi-homing scenarios to provide redundancy and load balancing across multiple physical links.

Conclusion:

Option A: Correct---The host with MAC 40:00:dc:01:00:04 is assigned IP 10.4.4.5.

Option D: Correct---The host is originating from an ESI LAG, as indicated by the active source value.

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12 comments · newest first

Dawne 1 month ago

I’m leaning towards A and C. VN110002 seems relevant here.

Theola 2 months ago

I feel like B and D make more sense. ESI LAG is common.

Melina 2 months ago

I think A and B are correct. The IP address matches the MAC.

Delsie 2 months ago

Not so sure about that, could be something else.

Kate 2 months ago

VN110002 is where it's at!

Crista 2 months ago

Wait, how can we be sure about the ESI LAG?

Elin 2 months ago

I think it's coming from irb.300 too!

Lashawnda 3 months ago

The host's IP is definitely 10.4.4.5.

German 3 months ago

I’m uncertain about the ESI LAG part. I think it might be relevant, but I need to double-check my notes.

Brittni 3 months ago

I feel like the VN110002 is a key detail, but I can't recall if it directly relates to the MAC address given.

Cheryl 3 months ago

I think we practiced a similar question where we had to identify the originating interface. Could it be irb.300?

Dorothy 3 months ago

I remember something about the irb interface, but I'm not sure if it applies here.

Juniper JN0-683 Exam - Topic 1 Question 42 Discussion