Exam 300-710 Topic 4 Question 129 Discussion

Actual exam question for Cisco's 300-710 exam
Question #: 129
Topic #: 4
An engineer is deploying failover capabilities for a pair of Cisco Secure Firewall devices. The core switch keeps the MAC address of the previously active unit in the ARP table. Which action must the engineer take to minimize downtime and ensure that network users keep access to the internet after a Cisco Secure Firewall failover?

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When deploying failover capabilities for a pair of Cisco Secure Firewalls (often using the High Availability (HA) feature), it's important that the MAC address seen by the network doesn't change during a failover. Using a virtual MAC address ensures that the same MAC address is presented to the network, regardless of which firewall unit (active or standby) is in control. This minimizes downtime because the core switch will continue to route traffic to the correct unit, as the virtual MAC address remains constant.

by Hulda at Jul 13, 2026, 07:31 AM

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