11 PresentationID 2014 Cisco Systems Inc Cisco 1
- Slides: 55
第 11 章: 这是一个网络 网络简介 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 1
漏洞和网络攻击 侦察攻击 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 20
漏洞和网络攻击 访问攻击 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 21
漏洞和网络攻击 拒绝服务攻击 (Do. S) Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 22
保护设备 密码 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 28
保护设备 启用 SSH Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 30
Ping 使用扩展 Ping § Cisco IOS 提供 ping 命令的“扩展”模式 R 2# ping Protocol [ip]: Target IP address: 192. 168. 10. 1 Repeat count [5]: Datagram size [100]: Timeout in seconds [2]: Extended commands [n]: y Source address or interface: 10. 1. 1. 1 Type of service [0]: Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 32
Ping 网络基线 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 33
Tracert 解释 Tracert 消息 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 34
Show 命令回顾 常用 Show 命令回顾 § 几乎路由器的每个进程或功能的状态都可使用 show 命 令显示出来。 § 常用 show 命令: show running-config show interfaces show arp show ip route show protocols show version Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 35
Show 命令 使用 show version 查看交换机设置 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 37
主机和 IOS 命令 ipconfig 命令选项 § ipconfig - 显示 IP 地址、子网掩码和默认网关。 § ipconfig /all – 也显示 MAC 地址。 § Ipconfig /displaydns - 显示 Windows 系统中的所有 dns 缓存条目。 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 38
主机和 IOS 命令 arp 命令选项 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 39
主机和 IOS 命令 show cdp neighbors 命令选项 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 40
路由器和交换机文件系统 § show file systems 命令 - 列出 Catalyst 2960 交换机上 所有可用的文件系统。 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 43
备份和恢复配置文件 使用 USB 备份和恢复 Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 47
Presentation_ID © 2014 Cisco Systems, Inc. 保留所有权利。 Cisco 机密 55
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- Water cycle pearson education
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- Pearson education
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- Protoctista
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- 2014 pearson education inc
- Bangladesh payment and settlement systems regulations 2014
- Travel document systems inc
- Opw fuel management system
- Cyber power systems inc
- Applied systems inc subsidiaries
- Uticom
- Global imaging systems inc
- Environmental systems research institute
- Peter wolfing
- Preferred systems inc
- Control data systems inc
- Educational data systems inc
- Advanced fluid power
- Oli systems
- Harbor marine systems inc
- Diversified air products
- Fox systems inc
- Advanced cooling systems inc
- Cisco mobility express guest network
- Decision support systems and intelligent systems
- Principles of complex systems for systems engineering
- Embedded systems vs cyber physical systems
- Elegant systems
- Teacher twins 2014
- Integrated people-centred health services
- Teacher twins@2014