PCNSE · Question #372
Given the following configuration, which route is used for destination 10.10.0.4?
The correct answer is B. Route 2. PAN-OS uses longest-prefix-match (most specific route) to determine the forwarding path. Among all routes shown in the referenced routing table image, Route 2 contains the most specific prefix that encompasses 10.10.0.4. When multiple routes could match a destination, the route…
Question
Given the following configuration, which route is used for destination 10.10.0.4?
Exhibit
Options
- ARoute 4
- BRoute 2
- CRoute 1
- DRoute 3
How the community answered
(54 responses)- A6% (3)
- B78% (42)
- C2% (1)
- D15% (8)
Explanation
PAN-OS uses longest-prefix-match (most specific route) to determine the forwarding path. Among all routes shown in the referenced routing table image, Route 2 contains the most specific prefix that encompasses 10.10.0.4. When multiple routes could match a destination, the route with the longest (most specific) subnet mask always wins. If two routes share the same prefix length, administrative distance and then metric are used as tiebreakers - but in this case, Route 2 wins on prefix specificity alone.
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