DHCP overview

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The Dynamic Host Configuration Protocol (DHCP) dynamically configures and uniformly manages network parameters of hosts on a TCP/IP network. DHCP supports both dynamic and static IP address allocation:
- Dynamic IP address allocation: allocates an IP address with a validity period (lease) to a client.
This mechanism applies to hosts that temporarily connect to a network with fewer IP addresses than the total number of hosts. For example, this mechanism can be used to allocate IP addresses to laptops used by employees on business trips or mobile terminals in cafes.
- Static IP address allocation: allocates fixed IP addresses to specified clients.
This mechanism applies to hosts with special IP address requirements, for example, the file server of an enterprise that needs to use a fixed IP address to provide services for extranet users.
Compared with manual IP address configuration, DHCP static allocation prevents manual configuration errors and helps network administrators in unified maintenance and management.
In addition to IP addresses, DHCP can also allocate other network parameters to hosts, including the DNS server address, routing information, and gateway address.

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DHCP overview
The Dynamic Host Configuration Protocol (DHCP) dynamically configures and uniformly manages network parameters of hosts on a TCP/IP network. DHCP supports both dynamic and static IP address allocation: - Dynamic IP address allocation: allocates an IP address with a validity period (lease) to a client. This mechanism applies to hosts that temporarily connect to a network with fewer IP addresses than the total number of hosts. For example, this mechanism can be used to allocate IP addresses to laptops used by employees on business trips or mobile terminals in cafes. - Static IP address allocation: allocates fixed IP addresses to specified clients. This mechanism applies to hosts with special IP address requirements, for example, the file server of an enterprise that needs to use a fixed IP address to provide services for extranet users. Compared with manual IP address configuration, DHCP static allocation prevents manual configuration errors and helps network administrators in unified maintenance and management. In addition to IP addresses, DHCP can also allocate other network parameters to hosts, including the DNS server address, routing information, and gateway address.

What is the positioning of the TE20?
The TE20 is an HD videoconferencing endpoint innovated by Huawei for small and medium conference rooms. It is highly cost-effective and easy-to-use. The TE10 supports a video resolution of up to 1080p 30 fps or 720p 60 fps. It has a sleek and compact design, making it portal and easy to install. The TE20 has three models: TE20 (5X), TE20 (5X-NoWIFI), and TE20 (12X).

S1720 overview
Introduction to S1720: The S1720 series switches are next-generation energy-saving gigabit Layer 2 Ethernet switches that support configuration of up to eight VLANIF interfaces. The series switches are equipped with console ports and can be managed and maintained using SNMP, command line interface (CLI), web-based network management system, Telnet, or Secure Shell (SSH) V2.0.

What is the TE10?
The TE10 is an integrated HD videoconferencing endpoint with a minimalist design. It can connect to networks over Wi-Fi and interwork with various cloud platforms. The TE10 is an innovative product that can offer cloud services. The TE10 has the following features: ?Integrates the digital camera, stereo microphone, and speaker. It is ready for video communication as soon as its power cable, video output cable, and network cable are connected. ?Adopts a compact design and a metal exterior, which is easy to move and install. ?Supports a resolution of up to 720p 30 fps. The TE10 is suitable for small conference rooms (less than 20 m2).

USG6000 interface overview
USG6000 interface overview Interface types An NGFW supports physical and logical interfaces. 1. Physical interface a. Layer 3 Ethernet interface. Description: Works at the network layer to process Layer 3 packets with an IPv4 or IPv6 address specified and supports routing functions. b. Layer 2 Ethernet interface. Description: Works at the data link layer and processes Layer 2 packets, implementing rapid Layer 2 forwarding. 2. Logical interface a. Virtual template (VT) interface. Description: Helps a Point-to-Point Protocol over Ethernet (PPPoE) server with PPP negotiation or encapsulates Layer 2 Tunneling Protocol (L2TP) packets. b. Dialer interface. Description: Used by a PPPoE client. c. Tunnel interface. Description: Applies to packet encapsulation and decapsulation and IPv6 transition technologies. GRE and IPSec are common encapsulation protocols. d. Null interface. Description: Any packets transmitted over this interface are discarded. It is mainly used for route filtering. The null interface cannot be configured through the web UI. e. VLAN interface. Description: A Layer 3 logical interface that is assigned an IPv4 or IPv6 address. VLAN interfaces transmit packets between VLANs. f. Layer 3 Ethernet subinterface. Description: Layer 3 Ethernet subinterfaces are Layer 3 logical interfaces created on a physical interface. f. Layer 2 Ethernet subinterface. Description: Layer 2 Ethernet subinterfaces are Layer 2 logical interfaces created on a physical interface. h. Eth-Trunk interface (interface aggregation). Description: A logical interface that consists of multiple Layer 2 or Layer 3 Ethernet interfaces. An Eth-Trunk interface provides high bandwidth and reliability. i. Loopback interface. Description: Remains in the Up state and is assigned a 32-bit subnet mask.

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