What is the default MAC age-out timer on an EX Series switch?
What is the default MAC age-out timer on an EX Series switch?
The default MAC aging time on Juniper EX Series switches is 300 seconds. This means a MAC address will remain in the MAC address table for 300 seconds before it is removed if there are no active communications associated with that address.
D is correct
The default MAC aging time on Juniper EX Series switches is typically 300 seconds, or 5 minutes. This timer controls how long a MAC address remains in the MAC address table before it's removed if there are no active communications associated with that address.