Recently found that the home wireless router Internet is very slow, some friends come to play a mobile phone connected to the Internet, but access to the IP are very normal, ping the site's domain name, found that the domain name can not be resolved.
According to the accumulation of knowledge, can not resolve the domain name may be the problem of DNS, in the cmd input ipconfig/all, (please check the cmd command prompt encyclopedia) looked at the next computer's DNS address, found that the computer automatically acquired DNS for 192.168.1.1, the address is a wireless router gateway address, feel very strange, looking for some from the Internet, may be the router as a DNS proxy, by the gateway as a forwarding DNS request resolution, in fact, your router has set up a local operator's DNS address. The router itself does not have DNS resolution capabilities.
I tried to set up the local operator's DNS address manually, some basic knowledge about DNS What do you mean by looking at DNS? What's the use? The differences and connections between DNS and DHCP, as well as some contingency measures to deal with DNS problems. The problem of finding the internet slow was solved immediately.
Seems to be the problem of the wireless router itself, this router has been used for a long time, more ancient, it seems to need to upgrade. In fact, restarting the router can also solve the problem, but it will die slowly and slowly.
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