问答题

简答题

三台路由器,问:在路由器B(即中间的那台路由器)上的E0/1的IN方向做一个ACL,要求路由器A可以TELNET路由器C,但是路由器C不可以TELNET路由器A。要求写出ACL命令行。

【参考答案】

ACL:
Deny tcp host A eq 23 host C
Permit ip any any

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