101 · Question #600
Where is the MAC masquerade address configured?
The correct answer is D. Traffic Groups. The MAC masquerade address on an F5 BIG-IP is configured at the Traffic Group level, allowing a consistent MAC address to float between devices during failover.
Question
Where is the MAC masquerade address configured?
Options
- AVirtual Server
- BVirtual Address
- CDevice Groups
- DTraffic Groups
How the community answered
(55 responses)- A2% (1)
- B2% (1)
- C5% (3)
- D91% (50)
Why each option
The MAC masquerade address on an F5 BIG-IP is configured at the Traffic Group level, allowing a consistent MAC address to float between devices during failover.
Virtual Servers define listener IP/port combinations and processing rules, not Layer 2 MAC address settings.
Virtual Addresses represent the IP addresses associated with virtual servers but do not contain MAC masquerade configuration.
Device Groups control synchronization and failover relationships between BIG-IP units but do not hold the MAC masquerade address setting.
Traffic Groups are the logical objects that float between BIG-IP devices in a high-availability pair. Configuring a MAC masquerade address on a Traffic Group ensures that the same MAC address is presented on the active device regardless of which physical unit is active, preventing ARP re-convergence delays during failover.
Concept tested: F5 BIG-IP MAC masquerade address configuration
Source: https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip-device-service-clustering-admin-13-1-0/7.html
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