湘西山民2012-08-14 17:51:29

User requirements:

(1) Cover the whole house with wireless signal.

(2) Provide wired connections in 2 separate areas (up to 100 ft apart).

Equipment:

(1) Router 1 (used to connect to the modem) can be any router (wireless)

(2) Router 2 has to be DD-WRT compatible (Buffalo routers, e.g.)

Setup

The 2nd router can be set up as a wireless repeater, or wireless bridge.

As a repeater, the key points are:

- WAN IP: DHCP from router 1 (router 1 IP 192.168.1.1) - no need to specify

- LAN IP: On different subnet from router 1 (192.168.2.1)

- Enable DHCP for router 2 clients

- Physical interface: SSID = 1st router SSID

- Virtual interface: SSID = different SSID

- Set up wireless security on router 2

Detailed instructions: http://www.dd-wrt.com/wiki/index.php/Wlan_Repeater

(the figure below is for a repeater bridge)

As a bridge, the key points are:

- WAN IP: 192.168.1.2 (static on router 1 subnet)

- LAN IP: router DHCP pass on

- Disable DHCP on router 2 (router 1 will do the work)

- SSID = 1st router SSID

- No wireless clients for router 2

mc33612012-08-14 18:05:12
坏处是wifi速度减半
湘西山民2012-08-14 18:18:28
没关系。Wireless G 54mbps, ISP 大多小于 25mbps
mc33612012-08-14 18:55:06
54 mbps 的router 实际速度在17到22mbps,再减半就是8.5到11mbps
Hope_20072012-08-14 19:15:52
用cable连接两个router,速度应该不减吧?
湘西山民2012-08-14 19:44:24
有线连接速度不减(100mbps). 但几台电脑同时用也是分享带宽。
湘西山民2012-08-14 20:03:31
简单试验了一下:
mc33612012-08-14 20:05:28
现在十几兆的cable挺普遍的
湘西山民2012-08-14 20:17:20
那是因为Cable有所谓的Power boost. 忙的时候带宽就打折扣了。
WayCool2012-08-14 21:08:01
有线用(1000mbps)双向
湘西山民2012-08-14 21:21:13
一般的家用 router 好像只支持 100BaseT.
湘西山民2012-08-14 21:32:58
出厂就带Repeater/Bridge功能的便宜路由器:
slow_quick2012-08-14 21:35:58
那么大房子不弄个大功率的试试?
湘西山民2012-08-14 21:46:50
另外功率太大有没有健康方面的害处?
slow_quick2012-08-14 22:19:54
大功率的距离不近没事
alexj2012-08-15 14:08:21
能解释一下DD-WRT compatible 是什么意思吗? Thanks.
π2012-08-15 14:13:59
就是能把Firmware刷成DD-WRT的Router。
湘西山民2012-08-15 14:49:12
以前要自己刷机。现在可以买到现成的 DD-WRT router。
slow_quick2012-08-15 16:06:21
Powerline号称可达500Mbps, $90一对
湘西山民2012-08-15 18:18:57
这个简单实用。
692222012-08-15 18:21:57
从06年一直在用2个无线路由桥接,赫赫
slow_quick2012-08-15 19:12:37
注意是“号称”,不知实际如何
湘西山民2012-08-16 03:17:39
好象那时 ddwrt 有这个功能不久。
692222012-08-16 22:43:56
回复:好象那时 ddwrt 有这个功能不久。