200-301 · Question #678
What is the MAC address used with VRRP as a virtual address?
The correct answer is B. 00-00-5E-00-01-0a. VRRP (Virtual Router Redundancy Protocol) uses a specific reserved MAC address in the format 00-00-5E-00-01-XX, where XX is the VRRP group ID, to represent the virtual router.
Question
What is the MAC address used with VRRP as a virtual address?
Options
- A00-00-0C-07-AD-89
- B00-00-5E-00-01-0a
- C00-07-C0-70-AB-01
- D00-C6-41-93-90-91
How the community answered
(44 responses)- A5% (2)
- B91% (40)
- C2% (1)
- D2% (1)
Why each option
VRRP (Virtual Router Redundancy Protocol) uses a specific reserved MAC address in the format 00-00-5E-00-01-XX, where XX is the VRRP group ID, to represent the virtual router.
This MAC address (00-00-0C-07-AD-XX) is typically used by HSRP (Hot Standby Router Protocol) for its virtual MAC address.
VRRP uses a reserved MAC address range for its virtual router. The format for VRRP version 2 is 00-00-5E-00-01-XX, where XX is the VRRP group ID in hexadecimal. The option 00-00-5E-00-01-0a (where 0a is hexadecimal for group ID 10) fits this standard.
This MAC address format is not standard for VRRP or other common first-hop redundancy protocols.
This MAC address format is not standard for VRRP or other common first-hop redundancy protocols.
Concept tested: VRRP virtual MAC address
Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_fhrp/configuration/xe-16-12/fhrp-xe-16-12-book/vrrp-cfg.html
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