Address determined by setup command MTU is 1500 bytes Helper address is not set Directed broadcast forwarding is disabled Multicast reserved groups joined: 224.0.0.5 224.0.0.6 Outgoing access list is not set Inbound access list is 101 ... 客户端无法正常访问: 在接口上取消ACL应用,即可正常访问: s...
一、ACL(访问控制列表)是什么? 访问控制列表(ACL)是一种基于包过滤的访问控制技术,它可以根据设定的条件对接口上的数据包进行过滤,允许其通过或丢弃。访问控制列表被广泛地应用于路由器和三层交换机,借助于访问控制列表,可以有效地控制用户对网络的访问,从而最大程度地保障网络安全。 标准IP访问列表 一个标准IP访问...
Cisco IOS XE Catalyst SD-WAN Release 17.2.1v Command qualified for use in Cisco vManage CLI templates. Cisco IOS XE Catalyst SD-WAN Release 17.3.1a Additional parameters qualified:udp,tcp,icmp, andrange Usage Guidelines For usage guidelines, see the Cisco IOS XEdenycommand. ...
Use the permit command in Ipv6 Access-list Configuration mode to set permit conditions (ACEs) for IPv6 ACLs. Use the no form of the command to remove the access control entry. Syntax permit protocol {any |{source-prefix/length}{any | destination-prefix/length}...
Address determined by setup command MTU is 1500 bytes Helper address is not set Directed broadcast forwarding is disabled Multicast reserved groups joined: 224.0.0.5 224.0.0.6 Outgoing access list is not set Inbound access list is 101 ... ...
摘要:访问控制列表是CiscoIOS防火墙的核心技术,它包括标准ACL、扩展ACL、命名ACL、基于时间的ACL、动态ACL、自反ACL、基于上下文的访问控制(CBAC)等,这些ACL技术从简到繁、从网络层到应用层,为网络的边界安全提供了灵活的解决方案。 1 前言 访问控制列表ACL(Access Control Lists) 使用包过滤技术,在路由器上根据第三...
Address determined by setup command MTU is 1500 bytes Helper address is not set Directed broadcast forwarding is disabled Multicast reserved groups joined: 224.0.0.5 224.0.0.6 Outgoing access list is not set Inbound access list is 101 ... ...
command: 'show run | section "ip access-list vty_in"' parser: name: ansible.utils.ttp template_path: "./templates/nxos_show_run_acl_vty.ttp" #以之前写好的ttp模板解析 set_fact: show_run_acl_vty - name: Print debug: msg: "{{show_run_acl_vty[0][0].ACL.vty_in}}" ...
autocommand access-enable host timeout 5 3.验证配置结果 C1在telnet到R1之前,C1不能ping通R1、R2; 在C1在telnet到R1,通过验证后,telnet连接断开,ACL自动添加一条新的规则。此时,再次尝试C1应该能ping通R1、R2;(证明通过验证后能访问内网了。) 反复对比R1#show access-lists 101这条命令的执行结果,查看变化。