The following are the characteristics of GLBP:
- Single VIP with multiple MACS
- Active virtual gateway
- Manages virtual gateway
- Other routers act as active. Really are active virtual forwarders
- More than one router can be active
- Single VIP
- Multiple virtual MAC
INT F0/0
GLBP 1 IP 172.31.6.90
GLBP 1 PRIORITY 150 (AVG)
GLBP 1 LOAD-BALANCING
HOST-DEPENDENT*** (based on host mac)
ROUND-ROBIN**
WEIGHTED (choose a portion assigned macs)
So, these are your redundancy protocols that are used on very large to small medium networks. Using these protocols, you should have very little loss of connectivity to your clients. Just so you can have a visual of what the topology may look like, here is an example of the concept:
