JN0-281 · Question #64
When a MAC limiting violation occurs, the switch performs which two actions by default? (Choose two.)
The correct answer is C. The port is disabled. D. It drops the packet. When a MAC limiting violation occurs on a Juniper switch, the switch will perform the following actions by default: When the number of MAC addresses on an interface exceeds the configured limit, the port is automatically disabled to prevent further violations. This is a…
Question
When a MAC limiting violation occurs, the switch performs which two actions by default? (Choose two.)
Options
- ANo logging takes place.
- BIt causes Layer 2 loops.
- CThe port is disabled.
- DIt drops the packet.
How the community answered
(29 responses)- A7% (2)
- B7% (2)
- C86% (25)
Explanation
When a MAC limiting violation occurs on a Juniper switch, the switch will perform the following actions by default: When the number of MAC addresses on an interface exceeds the configured limit, the port is automatically disabled to prevent further violations. This is a protective mechanism to prevent MAC address flooding. Additionally, packets from the violating MAC address are dropped to prevent any further communication from that address. This ensures that only valid MAC addresses are allowed to communicate through the interface. Example Configuration: set ethernet-switching-options secure-access-port interface <interface-name> mac-limit 5 If more than five MAC addresses are learned, the port is disabled, and excess packets are
Topics
Community Discussion
No community discussion yet for this question.