Why is the virtual function ping connected to the extranet IP but not the domain name to ping?

This article introduces the knowledge of "why the virtual function ping can not communicate with the domain name through the extranet IP". In the operation of the actual case, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. If DNS is empty, click IPV4 to set it.

2. Open the DNS bar automatically, then apply, restart the network service service network restart, and try ping again. If not

3. Check the dns configuration file: / etc/resolv.conf, take a look at the dns configuration and add the following code

Nameserver XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX is your own DNS address

Then restart the network service.

If it still doesn't work, maybe the firewall is open or something.

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