200-301 · Question #1427
Which type of protocol is VRRP?
The correct answer is A. allows two or more routers to act as a default gateway. VRRP (Virtual Router Redundancy Protocol) allows multiple routers to act as a single redundant default gateway for network hosts.
Question
Which type of protocol is VRRP?
Options
- Aallows two or more routers to act as a default gateway
- Buses Cisco-proprietary First Hop Redundancy Protocol
- Cuses a destination IP address 224.0.0.102 for router-to-router communication
- Duses dynamic IP address assignment
How the community answered
(62 responses)- A87% (54)
- B6% (4)
- C5% (3)
- D2% (1)
Why each option
VRRP (Virtual Router Redundancy Protocol) allows multiple routers to act as a single redundant default gateway for network hosts.
VRRP is a First Hop Redundancy Protocol (FHRP) that enables a group of routers to form a virtual router, sharing a single virtual IP and MAC address, thereby allowing two or more routers to transparently act as a redundant default gateway for network hosts.
VRRP is an open standard, while HSRP (Hot Standby Router Protocol) is the Cisco-proprietary First Hop Redundancy Protocol.
VRRP uses the multicast address 224.0.0.18 for communication, not 224.0.0.102, which is used by HSRP version 2.
VRRP uses a pre-configured virtual IP address and does not employ dynamic IP address assignment for its virtual router function.
Concept tested: First Hop Redundancy Protocols (VRRP)
Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_fhrp/configuration/xe-3s/fhrp-xe-3s-book/fhrp-vrrp-m.html
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