扩展访问列表的语法规则如下: 使用access-list命令创建扩展访问列表,后跟一个唯一的ACL号码。 使用permit命令允许匹配的数据包通过,使用deny命令拒绝匹配的数据包。 使用ip关键字指定为 IP 数据包过滤。 使用host关键字指定单个主机的 IP 地址。 使用any关键字匹配任意源或目标 IP 地址。 使用eq关键字后跟端口号匹配特...
在一台Cisco路由器上执行show access-list 命令显示如下一组信息Extended IP access list port4444permit icmp 202.38.97.0,wildcard bits 0.0.0.255 anydeny icmp any anydeny udp any any eq 1434deny tcp any any eq 4444permit ip any any根据上述信息,正确的access-list的配置是 A.Router(config)#ip ...
ip access-list extended ACL-INFRASTRUCTURE-IN ! !--- Deny IP packets containing IP options ! deny ip any any option any-options ! !--- Deny all other IP traffic to any network device ! deny ip any <infrastructure-address-space> <mask> ! !--- Permit transit traffic ! permit ip any ...
router(config)#access-list 101 deny icmp any anyrouter(config)#access-list 101 permit ip any anyrouter(config)#^Zrouter#show access-listExtended IP access list 101 deny icmp any any permit ip any any router# *Mar 9 00:43:12.784: %SYS-5-CONFIG_I: Configured from console by console rout...
ip access-list extended infilter permit ip any any reflect cciepass ! 在出方向放置evaluate ip access-list extended outfilter evaluate cciepass deny ip 10.54.48.0 0.0.0.255 any deny ip 10.54.49.0.0.0.0.255 any deny ip 10.54.50.0 0.0.0.255 any deny ip 10.54.51.0 0.0.0.255 any permit ip an...
“ip access-list extended|standard access-list-number|name”,在扩展或标准访问控制模式下配置过滤准则,命令格式为“permit|deny protocol source wildcard-mask destination wildeard-mask[operator][operand]”,根据以上命令格式首先排除A项。B项中“permit”放在“deny”前,这样“deny”命令不起作用,与题意不符。
显示为: Extended IP access list Test_Extend_ACL 20 permit tcp 192.168.10.0 0.0.0.255 eq 8080 172.168.0.0 0.0.255.255 eq 8080 30 deny udp 172.16.0.0 0.0.255.255 eq 8080 192.168.0.0 0.0.255.255 eq 8080 那么进入配置模式(configure terminal,缩写:cf t)Cisco(config) ...
Extended IP access list out-filter evaluate abcd deny ip any any (289 matches) 第三步:我想实现功能:vlan12里的机器能访问所有其他vlan,除了vlan 2 器均ping不通vlan 12 的机器 后来就全部PING 不通,和第二次开发步的结果相同 我用你的方法在cisco3560交换机上测试,应用acl后,双方向都不通了。分析一下...
Solved: So I've been working on my project and I've implemented vlans nad also router stick.Now I want to block connections between vlans that are not same with extended access list but something does not work..Here are the commands that I've
tarena-R1(config)#access-list 1 permit 192.168.1.0 0.0.0.255 tarena-R1(config)#interface f0/0 tarena-R1(config-if)#ip access-group 1 in 步骤四:分别在两台主机上测试到192.168.2.1的连通性 PC1测试如下所示: PC>ipconfig FastEthernet0 Connection:(default port) ...