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code for computer network course experiment
在 实验三-综合部分中,有部分ACL配置可以简化
以第一个宿舍,dorm-1-in为例
access-list 101 deny ip 211.69.4.0 0.0.0.255 211.69.7.128 0.0.0.127
access-list 101 deny ip 211.69.4.0 0.0.0.255 211.69.7.160 0.0.0.127
access-list 101 deny ip 211.69.4.0 0.0.0.255 211.69.7.192 0.0.0.127
access-list 101 deny ip 211.69.4.0 0.0.0.255 211.69.7.224 0.0.0.127
中, 0.0.0.127
为通配符,指ip地址中,为1的位可任意选取,为0的部分需和指定ip匹配。
因此以上三条可简化为
access-list 101 deny ip 211.69.4.0 0.0.0.255 211.69.7.128 0.0.0.127
这一条即可
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