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The following will give you a detailed introduction to the GLBP of gateway load balancing configuration experiments, hoping to give you some help in practical application. Load balancing involves many things, not many theories, and there are many books on the Internet. Today, we will use the accumulated experience in the industry to do an answer.

1. Experimental Topology

Gateway Load Balancing Protocol

AVF (Active virtual forwarder)

All routers and switches running GLBP become AVF

AVG (Active virtual gateway)

Select an AVG from all AVF (high priority, high IP)

GLBP one virtual gateway IP, multiple virtual MAC (AVG assigns a virtual MAC address to each AVF)

When PC sends an ARP Request, the AVG responds to a virtual MAC address, which may be the virtual MAC address of the AVG itself or the virtual MAC address of any one of the AVF.

2. Basic configuration

R1 configuration

Interface Serial0/0

Ip address 12.1.1.1 255.255.255.0

Interface Serial0/1

Ip address 13.1.1.1 255.255.255.0

Interface Serial0/2

Ip address 15.1.1.1 255.255.255.0

Router ospf 110

Router-id 1.1.1.1

Log-adjacency-changes

Network 12.1.1.0 0.0.0.255 area 0

Network 13.1.1.0 0.0.0.255 area 0

Network 15.1.1.0 0.0.0.255 area 0

R2 configuration

Interface Serial0/0

Ip address 12.1.1.2 255.255.255.0

Interface FastEthernet1/0

Ip address 100.1.1.2 255.255.255.0

Router ospf 110

Router-id 2.2.2.2

Network 12.1.1.0 0.0.0.255 area 0

Network 100.1.1.0 0.0.0.255 area 0

R3 configuration

Interface Serial0/1

Ip address 13.1.1.3 255.255.255.0

Interface FastEthernet1/0

Ip address 100.1.1.3 255.255.255.0

Router ospf 110

Router-id 3.3.3.3

Network 13.1.1.0 0.0.0.255 area 0

Network 100.1.1.0 0.0.0.255 area 0

R4 configuration

No ip routing

Interface FastEthernet1/0

Ip address 100.1.1.4 255.255.255.0

Ip default-gateway 100.1.1.254

R5 configuration

Interface Serial0/2

Ip address 15.1.1.5 255.255.255.0

Router ospf 110

Router-id 5.5.5.5

Network 15.1.1.0 0.0.0.255 area 0

R6 configuration

No ip routing

Interface FastEthernet1/0

Ip address 100.1.1.6 255.255.255.0

Ip default-gateway 100.1.1.254

3. Configure GLBP

R2 configuration

Interface FastEthernet1/0

Glbp 1 ip 100.1.1.254

R3 configuration

Interface FastEthernet1/0

Glbp 1 ip 100.1.1.254

3. Test GLBP

Two different PC went out of different routers, proving that they did play a load balancing role.

After reading the detailed introduction of the GLBP of gateway load balancer configuration experiment, if you have anything else you need to know, you can find out what you are interested in in the industry information or find our professional and technical engineers for answers. Technical engineers have more than ten years of experience in the industry.

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