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The following brings you how to configure load balancing in a multi-switch environment. I hope it can give you some help in practical application. There are many things involved in load balancing, there are not many theories, and there are many books on the Internet. Today, we will use the accumulated experience in the industry to make an answer.

* * Experimental steps: 1. For example, the topology configures the PC with ip address 2. Configure gateways and switches: Sw21: [Sw21] vlan batch 10 20 30 40 [Sw21] interface gigabitethernet 0Accord 1 [Sw21-GigabitEthernet0/0/1] undo shutdown [Sw21-GigabitEthernet0/0/1] port link-type access [Sw21-GigabitEthernet0/0/1] port def vlan 10

Vlan 20 vlan 30 vlan 40 are added to the 0 vlan 20 vlan 40 for each of the 0, 0, vlan, 2, 0, 0, 3, 0, 0, 0, and 4 ports of the Universe

Configure trunk links between switches:

[Sw21-GigabitEthernet0/0/5] port link-type trunk

[Sw21-GigabitEthernet0/0/5] port trunk allow-pass vlan all

Sw21's 0Accord 5 0Accord 6 sw18 Gw19 Gw20's 0Accord 1 0 Universe 2 ports are all configured with trunk links.

3. Configure priority * *:

Gw19:

Vlan 10: [Gw19] in vlan 10

[Gw19-Vlanif10] vrrp vrid 10 virtual-ip 192.168.10.250

[Gw19-Vlanif10] vrrp vrid 10 priority 150 (configuration priority)

Vlan20: [Gw19] in vlan 20

[Gw19-Vlanif20] vrrp vrid 20 virtual-ip 192.168.20.250 (virtual ip)

[Gw19-Vlanif20] vrrp vrid 20 priority 150

Vlan30: [Gw19] in vlan 30

[Gw19-Vlanif30] vrrp vrid 30 virtual-ip 192.168.30.250

Vlan40: [Gw19] in vlan 40

[Gw19-Vlanif40] vrrp vrid 40 virtual-ip 192.168.40.250

Vlan 30 and vlan 40 are default priorities of 100

Gw20:

Vlan10: [Gw20] in vlan10

[Gw20-Vlanif10] vrrp vrid 30 virtual-ip 192.168.10.250

Vlan20: [Gw19] in vlan 20

[Gw20-Vlanif20] vrrp vrid 40 virtual-ip 192.168.20.250

Vlan30: [Gw20] in vlan 30

[Gw20-Vlanif30] vrrp vrid 10 virtual-ip 192.168.30.250

[Gw20-Vlanif30] vrrp vrid 10 priority 150 (configuration priority)

Vlan40: [Gw20] in vlan 40

[Gw20-Vlanif40] vrrp vrid 20 virtual-ip 192.168.40.250

[Gw20-Vlanif40] vrrp vrid 20 priority 150

4. PC machine gateway Pc1;192.168.10.250 255.255.255.0 Pc2: 192.168.20.250 255.255.255.0 Pc3: 192.168.30.250 255.255.255.0 Pc4: 192.168.40.. 250 255.255.255.0 configure SVI ip addresses in GW19 and GW20, respectively; Vlan x 192.168.x.254/24 and 192.168.x.253245. Configure 192.168.50.0amp 24 gateway 6 between Sw18 and routing. Validate, test, save

When the line 1 or 2 fails, the vlan10 vlan20 will use the backup circuit, and the whole network is still connected, but usually GW19 will be used to solve the single point link failure and achieve load balancing.

If line 3 or 4 fails, you can set the command under the port:

[Gw19-Vlanif20] Vrrp vrid x track interface gi 0Universe 2 (monitors the status of the previous port)

[Gw19-Vlanif20] vrrp vrid 10 track int gi 0/0/2 reduced

50 (when 0Compact 2-port down, its corresponding priority will be reduced

After reading the above about how to configure load balancing in a multi-switch environment, if there is 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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