By default, which virtual MAC address does HSRP group 22 use?

The correct answer is C. 00:00:0c:07:ac:16. HSRP virtual MAC addresses follow a specific format where the last two hexadecimal digits represent the HSRP group number.

Submitted by kevin_r· Mar 6, 2026Infrastructure

Question

Exhibit

Options

Ac0:42:01:67:05:16
Bc0:07:0c:ac:00:22
C00:00:0c:07:ac:16
D00:00:0c:07:ac:22

How the community answered

(57 responses)

A
2% (1)
B
5% (3)
C
89% (51)
D
4% (2)

Why each option

HSRP virtual MAC addresses follow a specific format where the last two hexadecimal digits represent the HSRP group number.

Ac0:42:01:67:05:16

This MAC address does not follow the standard HSRP virtual MAC address format.

Bc0:07:0c:ac:00:22

C00:00:0c:07:ac:16Correct

The standard HSRP virtual MAC address format is 0000.0C07.ACxx, where 'xx' represents the HSRP group number in hexadecimal; group 22 (decimal) is 16 (hexadecimal).

D00:00:0c:07:ac:22

Concept tested: HSRP virtual MAC address format

Source: https://www.cisco.com/c/en/us/td/docs/ios/ipapp/configuration/guide/ipapp_c/iaphr.html

Topics

#HSRP#virtual MAC#FHRP#group number

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