CCNA Day 29 - FHRPs
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31 Terms
First Hop Redundancy Protocol
What does ‘FHRP’stand for?
Hot Standby Router Protocol
What does ‘HSRP’ stand for?
Virtual Router Redundancy Protocol
What does ‘VRRP’ stand for?
Gateway Load Balancing Protocol
What does ‘GLBP’ stand for?
Multicast Hello Messages
What kind of messages do FHRP-activated routers send to communicate with each other?
Gratuitous ARP
In […] ARP, an ARP reply is sent without being requested.
Broadcast
Gratuitous ARP messages are […]cast.
Gratuitous ARP messages
When the HSRP standby router switches to the active role, what kind of messages does it send out?
The virtual IP address
When using an FHRP, what IP address should be configured as the default gateway for hosts in the subnet?
The virtual MAC address
When using an FHRP, what MAC address does the active router use to respond to ARP requests?
GLBP and HSRP
What types of FHRP are Cisco proprietary?
Active and Standby
What kind of routers does HSRP use?
Master and Backup
What kind of routers does VRRP use?
224.0.0.2
HSRPv1 multicast IPv4 address:
224.0.0.102
HSRPv2 multicast IPv4 address:
224.0.0.18
VRRP multicast IPv4 address:
224.0.0.102
GLBP multicast IPv4 address:
0000.0c07.acXX
(XX = HSRP group number)
HSRPv1 virtual MAC address format:
0000.0c9f.fXXX
(XXX = HSRP group number)
HSRPv2 virtual MAC address format:
0000.5e00.01XX
(XX = VRRP group number)
VRRP virtual MAC address format:
0007.b400.XXYY
(XX = GLBP group number, YY = AVF number)
GLBP virtual MAC address format:
GLBP
Which FHRP load balances among multiple routers within a single subnet?
Active Virtual Gateway (AVG)
GLBP:A single […] is elected.
Four
GLBP: The AVG assigns up to […] Active Virtual Forwarders (AVFs)
No
Is preemption enabled on FHRPs by default?
Highest Priority
Highest IP address
What is the HSRP active router order?
100
What is the default HSRP priority?
standby [group-number] ip [ip-address]
Configure the HSRP virtual IP on an interface:
R1(config-if)#[…]
standby [group-number] priority [priority]
Configure the HSRP priority:
R1(config-if)#[…]
standby [group-number] preempt
Enable HSRP preemption:
R1(config-if)#[…]
standby version 2
Configure HSRP version 2:
R1(config-if)#[…]