实验拓扑
![wps_clip_image-5[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688303vado.png "wps_clip_image-5[4]")
在SA上配置：
激活端口：
![wps_clip_image-40[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688341Z2Lw.png "wps_clip_image-40[4]"){kind=small}
在RA上配置：
![wps_clip_image-68[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688353VCDg.png "wps_clip_image-68[4]")
![wps_clip_image-88[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688355t1iD.png "wps_clip_image-88[4]")
在SB上配置：
![wps_clip_image-116[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688356C9rd.png "wps_clip_image-116[4]"){kind=small}
在RB上配置：
![wps_clip_image-144[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688357SgHf.png "wps_clip_image-144[4]")
![wps_clip_image-164[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688363k2X3.png "wps_clip_image-164[4]")
在PC1上配置：
![wps_clip_image-193[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688379LDfv.png "wps_clip_image-193[4]")
在PC2上配置：
![wps_clip_image-222[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688401Ox1F.png "wps_clip_image-222[4]")
在RA上配置：
![wps_clip_image-250[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688405ts1F.png "wps_clip_image-250[4]")
在RB上配置：
![wps_clip_image-278[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688421Igvd.png "wps_clip_image-278[4]")
在RA上配置：
![wps_clip_image-306[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688443BaH7.png "wps_clip_image-306[4]")
在RB上配置：
![wps_clip_image-334[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688448uL2o.png "wps_clip_image-334[4]")
在RA和RB上配置占先权：
![wps_clip_image-368[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_12506884494KU6.png "wps_clip_image-368[4]")
![wps_clip_image-388[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688450uswk.png "wps_clip_image-388[4]")
进行端口跟踪：
![wps_clip_image-416[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_12506884524Lit.png "wps_clip_image-416[4]"){kind=small}
![wps_clip_image-437[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_12506884635XIS.png "wps_clip_image-437[4]")
查看：
![wps_clip_image-461[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688512I7dd.png "wps_clip_image-461[4]")
![wps_clip_image-482[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688550KcWc.png "wps_clip_image-482[4]"){kind=small}
关闭端口重定向：
![wps_clip_image-511[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688552fHGE.png "wps_clip_image-511[4]"){kind=small}
![wps_clip_image-531[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_12506885640hpn.png "wps_clip_image-531[4]")
![wps_clip_image-551[4]](http://tom110.blog.51cto.com/attachment/200908/19/892790_1250688584H0uw.png "wps_clip_image-551[4]")
本文转自 tomsjack 51CTO博客，原文链接:http://blog.51cto.com/tom110/193767
