Referring to the exhibit, which two actions will occur when a packet matches the firewall filter? (Choose two.) term limit-icmp { from { source-address { 172.25.11.0/24; } protocol icmp; } then {…

The correct answer is C. The packet will be discarded. D. A counter will be incremented. Referring to the firewall filter configuration in the exhibit, when a packet matches the specified term limit-icmp, two actions are defined in the then statement: count count-icmp and discard. The count count-icmp action means that each time a packet matches this term, a…

Routing Policy and Firewall Filters

Question

Referring to the exhibit, which two actions will occur when a packet matches the firewall filter? (Choose two.) term limit-icmp { from { source-address { 172.25.11.0/24; } protocol icmp; } then { count count-icmp; discard; } }

Options

AAn ICMP destination unreachable message will be returned.
BThe packet will be forwarded.
CThe packet will be discarded.
DA counter will be incremented.

How the community answered

(32 responses)

A
19% (6)
B
9% (3)
C
72% (23)

Explanation

Referring to the firewall filter configuration in the exhibit, when a packet matches the specified term limit-icmp, two actions are defined in the then statement: count count-icmp and discard. The count count-icmp action means that each time a packet matches this term, a counter named count-icmp will be incremented, providing a tally of how many packets have matched the term. The discard action means that the packet will be dropped and not forwarded through the device. This effectively prevents the packet from reaching its intended destination. There is no action specified that would cause an ICMP destination unreachable message to be returned, nor is there any action that would allow the packet to be forwarded.

Topics

#firewall filter#discard action#count action#term actions

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