Several local area network leases I manage are all 3 minutes. This can easily check the number of online users and monitor network traffic.
Your disconnection has nothing to do with the lease, so you should focus on checking the wireless network signal and whether there are channel conflicts around. Whether the performance of the router is poor. There are also interference sources nearby.
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Overview of DHCP
DHCP is a dynamic host configuration protocol, which aims to reduce the burden of planning, management and maintenance of TCP/IP networks and solve the problem of insufficient IP address space. This network service is beneficial to effectively manage the IP addresses of clients in the network.
The DHCP function is divided into two parts: one is the server and the other is the client (the client does not need to be installed, and windows 9x/2000/xp starts the DHCP client service by default). DHCP effectively and dynamically allocates TCP/IP settings of clients through the concept of "lease". Next, we will use TP-LINK broadband router TL-R4 10 to explain the function of DHCP server in detail.
DHCP, its predecessor is BOOTP. BOOTP was originally used in networks with diskless hosts: network hosts use boot ROM instead of disks to start and connect to the network, and BOOTP can automatically set TCP/IP environment for those hosts. However, BOOTP has a disadvantage: the hardware address of the client must be obtained in advance before setting, and the correspondence with IP is static. In other words, BOOTP is very lacking in "motivation". If it is in a limited IP resource environment, the one-to-one correspondence of BOOTP will cause considerable waste.
DHCP can be said to be an enhanced version of BOOTP, which is divided into two parts: one is the server and the other is the client. All IP network configuration data is centrally managed by DHCP server, which is responsible for handling DHCP requirements of clients; The client will use the IP environment data allocated from the server. Compared with BOOTP, DHCP effectively dynamically allocates TCP/IP settings of clients through the concept of "lease", and as a consideration of compatibility, DHCP also fully takes care of the needs of BOOTP clients. First of all, there must be at least one DHCP working on the network, which will listen to the DHCP request of the network and negotiate the setting environment of TCP/IP with the client.
How to set up DHCP server
At present, many broadband routers have the function of setting up DHCP servers. TL-4 10 launched by TP-LINK is a broadband router for home users, which is compact and stylish. And the price is cheap, which is very suitable for home users and students. TL-R4 10 broadband router also has the function of supporting DHCP server, and there are two allocation methods: manual allocation (static IP address allocation) and dynamic allocation. Take the TL-R4 10 broadband router of TP-link as an example to briefly introduce how to set the function of DHCP server.