Router(config)#access-list ?
<1-99> IP standard access list
<100-199> IP extended access list
<1100-1199> Extended 48-bit MAC address access list
<1300-1999> IP standard access list (expanded range)
<200-299> Protocol type-code access list
<2000-2699> IP extended access list (expanded range)
<2700-2799> MPLS access list
<700-799> 48-bit MAC address access list
dynamic-extended Extend the dynamic ACL absolute timer
rate-limit Simple rate-limit specific access list
请使用...
access-list 1100
就能满足你的需求了XD
应该有类似黑名单过滤的,添加对方的MAC地址进去就行了。
端口安全