之前介绍过企业版和社区版区别，社区版有基础的负载均衡功能，官方没说是4层还是7层。看到老外网站上的说明上是写了有7层的。
下载地址
https://ftp.halifax.rwth-aachen.de/osdn/storage/g/z/ze/zevenet/zevenet-ce_v5.11-amd64-v1.iso
安装指南
https://www.youtube.com/watch?v=8pnK_DlY-vM&t=197s
Zevenet Community Edition v5.11.2 releases: a complete solution for load balancing Zevenet Community Edition v5.11.2 发布：负载均衡的完整解决方案
https://meterpreter.org/zevenet-community-edition/
https://www.zevenet.com/products/community/differences-community-enterprise-edition/