Destination NAT Round Robin for Load Balance Traffic for Web Server

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Destination NAT Round Robin for Load Balance Traffic for Web Server

L2 Linker

I have 3 web servers which have 3 different static ip. 

.11.12.13 I follow below guide try to load balance the traffic for all 3 web servers. 

Configure Destination NAT Using Dynamic IP Addresses (paloaltonetworks.com)

 

I already did those steps but instead of using FQDN, we use 3 IP address (192.168.x.11, .12 and .13). into an address group and put it into the translated packet as Dynamic IP (with session distribution) as round robin
session distribution method. With this done, we still see the traffic translated into only 1 IP address which is 192.168.x.11. 

 

 

1 ACCEPTED SOLUTION

Accepted Solutions

L2 Linker

The configuration seems to be correct, but the important question still is how do you access those servers? Do you already have random users accessing those servers and all of them are being sent to that one server? Based on those hitcounts, it appears that it is already in production, is that correct? 

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9 REPLIES 9

L2 Linker

Could you please share a screenshot of your configuration? Are you trying to connect to 192.168.x.11 from a different host or at least private window? 

My NAT policy as below

Source Zone: WAN

Dst Zone:WAN

Dst Interface: Any

Source Addr:10.239.x. 3

Dst Addr: 10.250.x.3

Service:tcp_3333

translated packet

Src translation : none

Dst Translation:

Dynamic IP

Translated Address:

(webserver address group) 

192.168.x.11, .12 and .13

 

Translated port:None

Session Distributed method: Round robin

 

 

 

JiaXiang_0-1644474785076.png

 

L2 Linker

JiaXiang_1-1644478583071.png

 

The translated address is a address group inside have

192.168.x.11

192.168.x.12

192.168.x.13

 

L2 Linker

The configuration seems to be correct, but the important question still is how do you access those servers? Do you already have random users accessing those servers and all of them are being sent to that one server? Based on those hitcounts, it appears that it is already in production, is that correct? 

L2 Linker

The web server is in production so user just access it from browser but the traffic did not follow the round robin. If it follow round robin will cause asymmetric route ? 

Suddenly the traffic follow the round robin sequence flow. The issue is solve thank you.

Hi

Please, could you share the solve?

Regards

With the same configuration showing above suddenly the firewall is work as load balance.

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