在路由器里插入和删除ACL 在路由器里插入和删除ACE:(如直接添加,后添加的ACE会在ACL的最有一行,由于ACL执行时从上往下顺序匹配,一旦上面的匹配了,下面的就不再执行;如果直接删除某条ACE会将整个ACL删除。) www.zhishiwu.com R1(config)#access-list 101 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255R1(config)#access-list 101 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255R1(config)#access-list 101 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.2551.插入ACER1#sh access-lists 101Extended IP access list 101 10 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 20 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255 30 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.255 R1(config)#ip access-list extended 101 R1(config-ext-nacl)#15 permit ip 1.4.1.0 0.0.0.255 2.2.2.0 0.0.0.255 R1#sh access-lists 101Extended IP access list 101 10 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 15 permit ip 1.4.1.0 0.0.0.255 2.2.2.0 0.0.0.255 20 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255 30 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.255 2.删除ACER1#sh access-lists 101Extended IP access list 101 10 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 15 permit ip 1.4.1.0 0.0.0.255 2.2.2.0 0.0.0.255 20 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255 30 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.255 R1(config)#ip access-list extended 101R1(config-ext-nacl)#no 15 R1#sh access-lists 101Extended IP access list 101 10 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 20 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255 30 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.255
在路由器里插入和删除ACL 在路由器里插入和删除ACE:(如直接添加,后添加的ACE会在ACL的最有一行,由于ACL执行时从上往下顺序匹配,一旦上面的匹配了,下面的就不再执行;如果直接删除某条ACE会将整个ACL删除。) www.zhishiwu.com R1(config)#access-list 101 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255R1(config)#access-list 101 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255R1(config)#access-list 101 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.2551.插入ACER1#sh access-lists 101Extended IP access list 101 10 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 20 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255 30 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.255 R1(config)#ip access-list extended 101 R1(config-ext-nacl)#15 permit ip 1.4.1.0 0.0.0.255 2.2.2.0 0.0.0.255 R1#sh access-lists 101Extended IP access list 101 10 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 15 permit ip 1.4.1.0 0.0.0.255 2.2.2.0 0.0.0.255 20 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255 30 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.255 2.删除ACER1#sh access-lists 101Extended IP access list 101 10 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 15 permit ip 1.4.1.0 0.0.0.255 2.2.2.0 0.0.0.255 20 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255 30 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.255 R1(config)#ip access-list extended 101R1(config-ext-nacl)#no 15 R1#sh access-lists 101Extended IP access list 101 10 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 20 permit ip 1.2.1.0 0.0.0.255 2.2.2.0 0.0.0.255 30 permit ip 1.3.1.0 0.0.0.255 2.2.2.0 0.0.0.255