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5 Cards in this Set

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What is GLBP?
Gateway Load Balancing Protocol

Cisco-proprietary invention for layer 3 redundancy.
What are the components of GLBP?
Active Virtual Gateway (AVG)
Active Virtual Forwarder (AVF)
How does GLBP work?
One router acts as AVG and AVF. Other routers just act as AVF. AVG responds to ARP requests with virtual MACs of different AVFs to load balance egress traffic.
What is the default method of load balancing in GLBP?
round robin
How are GLBP hellos sent?
UDP packets to 224.0.0.102:3222 every 3 seconds