1, change the new router (B), and configured network, mobile WIFI can connect to the Internet, from the router LAN port (B) even the cable (1) on the computer can connect to the Internet, checking OK
No. 2, 1) cable plug on the switch (TP - Link5 no WAN) on the LAN, again from the switch to the rest of the LAN port, plug wire to the front desk computer, display the connected but not network connection
Number 3, 1) cable plug in turn the LAN port of the router and switch, trying to identify whether the interface problem, all show there is no network connection
simply insert number (1) cable directly at the front desk computer, normal to the Internet, 
to take a piece of cable (2) from the router LAN port to the switch, turn again to the front desk computer, normal online!!!!!! 
4, the number of test (reconfigure the routing (B), adjust the network cable,,,)
5, the original router (A) reconfiguration and changing, insert number (1) cables on the router LAN port (A), connecting switches, again from the switch to the front desk computer, normal online!!!!!!
This is why??????? God be so torture me, till now I don't know what's the matter, god,,
CodePudding user response:
The switch type is a fool?CodePudding user response:
That is A network has A problem, and A router can make up for A network cable problem, so understand right