升木 发表于 2018-7-14 07:13:15

cisco ACL策略配置和查看

  首选查看设备有哪些关于ACL的配置,可以使用以下命令:
  44-SW4#show running-config | section access
  ip access-group 100 in
  access-list 100 permit eigrp any any
  access-list 100 deny   icmp any any
  查看acl的具体情况,包括acl类型、acl序号、条目、条目序号、match数量等等
  44-SW4#show ip access-lists
  Extended IP access list 100
  10 permit eigrp any any (24 matches)
  20 deny icmp any any
  插入acl条目,如在条目10和20之间插入序号为15的条目,如下所示:
  44-SW4#configure terminal
  44-SW4(config)#ip access-list extended 100
  44-SW4(config-ext-nacl)#15 permit icmp any any
  44-SW4(config-ext-nacl)#end
  44-SW4#show ip access-lists 100
  Extended IP access list 100
  10 permit eigrp any any (60 matches)
  15 permit icmp any any
  20 deny icmp any any
  删除序号为15的条目,如下所示:
  44-SW4#configure terminal
  44-SW4(config)#ip access-list extended 100
  44-SW4(config-ext-nacl)#no 15
  44-SW4(config-ext-nacl)#end
  44-SW4#show ip access-lists 100
  Extended IP access list 100
  10 permit eigrp any any (140 matches)
  20 deny icmp any any
  以下为错误的删除方式,将导致整个acl被删除:
  44-SW4#configure terminal
  44-SW4(config)#no access-list 100 permit icmp any any
  44-SW4(config)#end
  44-SW4#show ip access-lists 100
  44-SW4#
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