Network security - single arm routing, DHCP relay and ICMP Protocol

Single arm routing

• VLAN Control broadcast domain
• Different VLAN No communication between
• 1 individual VLAN=1 Net segment
• Different VLAN Inter communication is realized by route

Achieve the goal

1. Realization VLAN Can communicate with each other
2. All employees' computers pass DHCP Get dynamic IP Address
3. All employees through http://www.tye.com visit VLAN40 Server web site in

Refer to the post ：

Network Security Learning -- Single arm routing _ Lost dad's blog -CSDN Blog

Network Security Learning -- One arm routing and DHCP relay _ Lost dad's blog -CSDN Blog

Reference video ：

【 Qian Feng 】 Network security 300 A complete set of video tutorials (web Security / Penetration test / Hacker attack and defense / Information security / Code audit ), Introduction to the basics of network security to mastery _ Bili, Bili _bilibili

【 Qian Feng 】 Network security 300 A complete set of video tutorials (web Security / Penetration test / Hacker attack and defense / Information security / Code audit ), Introduction to the basics of network security to mastery _ Bili, Bili _bilibili

【 Qian Feng 】 Network security 300 A complete set of video tutorials (web Security / Penetration test / Hacker attack and defense / Information security / Code audit ), Introduction to the basics of network security to mastery _ Bili, Bili _bilibili

【 Qian Feng 】 Network security 300 A complete set of video tutorials (web Security / Penetration test / Hacker attack and defense / Information security / Code audit ), Introduction to the basics of network security to mastery _ Bili, Bili _bilibili