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問答題

【簡(jiǎn)答題】
三臺(tái)路由器，問：在路由器B（即中間的那臺(tái)路由器）上的E0/1的IN方向做一個(gè)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。要求寫出ACL命令行。

答案： ACL：
Deny tcp host A eq 23&ens...

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