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What Port Does Glbp Use

Alexander Ross • • 7 min read
What Port Does Glbp Use

GLBP members communicate between each other through hello messages sent every 3 seconds to the multicast address 224.0. 0.102, User Datagram Protocol (UDP) port 3222 (source and destination).

What is GLBP multicast address?

By default, GLBP routers use the local multicast address 224.0. 0.102 to send hello packets to their peers every 3 seconds over UDP 3222 (source and destination).

What is the difference between HSRP and GLBP?

The main difference is that GLBP allows the load balancing of traffic among the master and standby routers while in HSRP (and VRRP) the standby routers do not help handle traffic. With GLBP, the single virtual IP address is associated with one virtual MAC address per GLBP member.

Alexander Ross
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Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.