首先,在access和list这2个关键字之间必须有一个连字符"-";其次,list number的范围在0～99之间,这表明该access-list语句是一个普通的标准型IP访问列表语句。因为对于Cisco IOS,在0～99之间的数字指示出该访问列表和IP协议有关,所以list number参数具有双重功能: (1)定义访问列表的操作协议; (2)通知IOS在处理acce...
Minimum = 0ms, Maximum = 0ms, Average = 0ms 这样就使得pc1不能访问pc2了,在r2上用show access-list可以看到访问控制列表的信息,如下: r2# show access-list Standard IP access list 1 1 deny host 192.168.1.1 (5 matches) //说明满足该条件的数据包有5个 1 permit any (60 matches) //满足该条...
access-list 55 permit 172.21.22.0 0.0.0.255access-list 55 permit 172.21.23.0 0.0.0.255access-list 55 permit 10.100.200.0 0.0.0.255access-list 55 permit 172.30.30.20access-list 55 permit 10.100.62.251access-list 55 permit 10.100.62.252 and i not issuing command ip access-list standard 55. So a...
1 在全局可以看到下面的access-list 2300条目如果想删掉其中的access-list 2300 permit ip host 3.3.3.3 any 不能直接no掉如果noaccess-list 2300 permit ip host 3.3.3.3 any会把全部2300的条目都删掉 2 show access-list 可以看到它的依存格式及条目序号 3 进入access-listip access-liststandard/extended...
3Cisco路由器执行show access-list命令显示如下一组信息 Standard IP access list block deny 10.0.0.0,wildcard bits 0.255.255.255 log deny 172.16.0.0,wildeard bits 0.15.255.255 permit any 根据上述信息,正确的access-list配置是___。 A.Router(config)#access-list standard blockRouter(config-std-nael)#...
Standard access lists are the basic form of access list on Cisco routers that can be used to match packets by source IP address field in the packet header. These access lists are simpler to create and understand but packet matching options are also limited to only source address. ...
Cisco路由器执行show access-list的命令显示如下一组信息 Standard IP access list block deny 10.0.0.0,wildcard bits 0.255.255.255 log deny 172.16.0.0,wildcard bits 0.15.255.255 permit any 根据上述信息,正确的access-list配置是( )。 A. Rounter(config)#access-list standard blockRounter(config-std-nacl...
在一台Cisco路由器上执行show access-lists命令显示如下一组限制远程登录的访问控制列表信息 Standard IP access list 40 permit 167.112.75.89(54 matches) permit 202.113.65.56(12 matches) deny any(1581 matches) 根据上述信息,正确的access-list的配置是()。 A.Router fconfig)#access-list 40 permit 167.112...
Cisco路由器执行show access-list命令显示如下一组控制列表信息: Standard IP acceSS list 30 deny 127.0.0.0,wildcard bits 0.255.255.255 deny 172.16.0.0,wiidcard bits 0.15.255.255 permft any 根据上述信息,正确的access-list配置是___。 A.Router(config)#access-list 30 deny 127.0.0.0 255.255.255.0 Rout...
ip access-list extend server-access-limit:ip access-list相当于使用编号的access-list中的access-list段。extend表明是扩展的ACL(对应地,standard表示标准的ACL)。server-access-limit是access-list的名字,相当于基于编号的ACL中的编号字段。 permit tcp 10.1.6.0 0.0.0.255 host 10.1.2.21 eq 1521:这一段和使用...