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Question 64 - JN0-280 discussion

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Which static routing parameter will silently drop the packet if it is set as the next hop?

A.

Reject

Answers
A.

Reject

B.

Resolve

Answers
B.

Resolve

C.

Readvertise

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C.

Readvertise

D.

Discard

Answers
D.

Discard

Suggested answer: D

Explanation:

When the discard option is configured as the next hop for a static route, it silently drops any packets that match the route without sending any notification to the sender.

Step-by-Step Breakdown:

Discard Behavior:

If a route uses the discard next hop, the router drops the packet without generating any ICMP message or error back to the sender. This is useful for creating null routes to prevent routing loops or blackhole traffic intentionally.

Reject vs. Discard:

The reject next hop, in contrast, drops the packet but sends an ICMP Destination Unreachable message back to the source.

Juniper

Reference:

Static Route Behavior: In Junos, the discard option ensures packets matching a static route are dropped silently, providing a way to discard traffic without alerting the source.

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asked 10/10/2024
David Aghaegbuna
41 questions
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