What is a valid HSRP virtual MAC address?

The correct answer is C. 0000.0C07.AC15. HSRP virtual MAC addresses use the well-known format 0000.0C07.ACxx, where 'xx' is the HSRP group number in hexadecimal. In this case, 0x15 = group 21. The OUI 0000.0C is assigned to Cisco, and 07.AC is the HSRP-specific identifier. By contrast: 0000.5E00.01xx is used by VRRP (Vi

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Question

What is a valid HSRP virtual MAC address?

Exhibit

Options

A0000.5E00.01A3
B0007.B400.AE01
C0000.0C07.AC15
D0007.5E00.B301

How the community answered

(60 responses)

A
3% (2)
B
2% (1)
C
88% (53)
D
7% (4)

Explanation

HSRP virtual MAC addresses use the well-known format 0000.0C07.ACxx, where 'xx' is the HSRP group number in hexadecimal. In this case, 0x15 = group 21. The OUI 0000.0C is assigned to Cisco, and 07.AC is the HSRP-specific identifier. By contrast: 0000.5E00.01xx is used by VRRP (Virtual Router Redundancy Protocol); 0007.B4xx.xxxx is used by GLBP (Gateway Load Balancing Protocol); and 0007.5E00.B3xx does not correspond to any standard FHRP format.

Topics

#HSRP#virtual MAC address

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