Cisco Exam 500-220 Topic 11 Question 48 Discussion

Actual exam question for Cisco's 500-220 exam

Question #: 48
Topic #: 11

A Cisco Meraki MX security appliance is trying to route a packet to the destination IP address of 172.18.24.12. Which routes contained in its routing table does it select?

AAuto VPN route 172.18.0.0/16

Bstatic route 172.16.0.0/12

Cnon-Meraki VPN route 172.18.24.0/24

Ddirectly connected 172.18.16.0/20

Show Suggested Answer

Suggested Answer: C

Route Priority

Each type of route configured on the MX has a specific priority in comparison with other types of routes. The priority is as follows:

Directly Connected

Client VPN

Static Routes

AutoVPN Routes

Non-Meraki VPN Peers

BGP learned Routes

NAT*

https://documentation.meraki.com/MX/Networks_and_Routing/MX_Routing_Behavior

by Daniel at Nov 24, 2023, 12:30 PM

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Judy

10 days ago

I think you're on to something there, Sheridan. The most specific route should win out.

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Sheridan

11 days ago

Alright, let's think this through. A /16 is more specific than a /12, and a /24 is more specific than a /20, right?

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Joseph

12 days ago

Haha, yeah, the classic 'longest prefix match' rule. I can never remember the details, but it's probably important in this case.

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Desmond

13 days ago

Wait, isn't there something about the longest prefix match in routing tables? That might be a key here.

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