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Server01:
	IP: 192.168.195.73/24
	GW: 192.168.195.185
--------------------------------
Client01
	IP: 172.16.99.178/24
	GW: 172.16.99.1
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WAN Interface:
	IP: 172.16.99.185/24
	GW: 172.16.99.1

LAN Interface:
	IP: 192.168.195.185/24
	GW: none

VIPS:
	VIP-Server01: 172.16.99.191/32

FW-Rule:
	DestIP: 192.168.195.73/32 --- IPv4 Any Allow
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Setp01. 添加一个虚拟IP : VIP-Server01 ( 172.16.99.191/32 ) 
Setp02. 添加 一条 NAT 1:1 映射 ：172.16.99.191/32 <---> 192.168.195.73/32
Setp03. 添加一条放行的防火墙规则: DestIP: 192.168.195.73/32 --- IPv4 Any Allow
Setp04. 使用客户端Client01(172.16.99.178)访问VIP(172.16.99.191)的服务，验证效果。
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