Assume that an AOS-CX switch is already implementing DHCP snooping and ARP inspection successfully on several VLANs. What should you do to help minimize disruption time if the switch reboots?

Question

Options

• AConfigure the switch to act as an ARP proxy.
• BCreate static IP-to-MAC bindings for the DHCP and DNS servers.
• CSave the IP-to-MAC bindings to external storage.
• DConfigure the IP helper address on this switch, rather than a core routing switch.

• A
  6% (2)
• B
  3% (1)
• C
  74% (23)
• D
  16% (5)

Explanation

To minimize disruption time if an AOS-CX switch reboots while implementing DHCP snooping and ARP inspection, you should save the IP-to-MAC bindings to external storage. This ensures that the DHCP snooping and ARP inspection tables, which are crucial for preventing spoofing attacks, are preserved across reboots. When the switch restarts, it can reload these bindings from the external storage, thereby maintaining network security and reducing the downtime associated with rebuilding these tables. 1. Preserving Bindings: Saving IP-to-MAC bindings to external storage ensures that these critical security tables are not lost during a reboot, maintaining network integrity. 2. Security Continuity: This practice helps to quickly restore security features like DHCP snooping and ARP inspection, minimizing the window of vulnerability. 3. Operational Efficiency: By preserving these bindings, the switch can resume normal operations faster, reducing disruption to network services.

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