One Firewall + One 3Layer Switch

IDC 给你两条WLAN网线，一条是Active激活状态，如果这条网线出现中断，将自动切换到第二条网线上。

如果你直接将网线插到防火墙上，就意味着第二条备用线路你无法使用。我想出一个方案，如下图

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Design by Neo chan
Homepage: http://netkiller.sf.net
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Internet    ____________________________________________
  |  |     /                                            |
  v  v    v                                             |
+---------------------------------------------------+   |
|[1] [3] [5] [7] [] [] [] [] [] [] [] []     Switch |   |
|[2] [4] [6] [8] [] [] [] [] [] [] [] []  [SFP][SFP]|   |
+---------------------------------------------------+   |
  |         ____________________________________________/
  v        /
+---------------------------------------------------+
| [Wan]  [LAN]   [DMZ]                     Firewall |
|                                         [Console] |
+---------------------------------------------------+

Vlan 2
------------------
G0/0/1-4

Port
------------------
G0/0/1 		Internet Active Line
G0/0/3 		Internet Stand by Line
G0/0/4 		Debug, Mirror or Other

G0/0/2 		Firewal Outside
G0/0/5 		Firewal Inside

G0/0/6-24	Server