HSRP, VRRP, GLBP

Network Information 

HSRP

• Multicast : 224.0.0.2
• MAC : 0000.0c07.acXX
• UDP : 1985

Configuration 

standby <group> ip x.x.x.x

standby <group> preempt

standby <group> track <object ID> decrement <number>

standby <group> priority

***********************************

VRRP

• Multicast : 224.0.0.18
• MAC  :  0000.5e00.01XX
• IP protocol : 112

Configuration

vrrp <group> priority 

vrrp <group> ip <Gateway>

vrrp <group> track <object ID> decrement <number>

***********************************

GLBP

• Multicast : 224.0.0.102
• UDP 3222

Configuration

glbp <group> ip <Gateway>

glbp <group> load-balancing round-robin

glbp <group> weighting  <number> lower <number> upper <number> 

//Threshold  If it fails the weight will drop below <number> and state will be standby

glbp <group> weighting track <object ID>