I have 26 siwtches in production network.im facing issue with 1PC that connectedinthe netowrk .My question is what are command and prcoedure to check the issue.
2)Above same network 1PC connected to the network unable acces the internet .
You should start checking if the PC is getting the ip address. IF there is no ip address verify the switch port is configured with correct VLAN. If the ip address is fine try pinging the default gateway from this PC and verify if this works well. If that is fine most likely this would a DNS issue. Try pining google.com or cisco.com and verify if you are able to get a responce for ping. May be you could try setting the DNS as 4.2.2.2 0 or 8.8.8.8.
If it's only 1 pc, try a different switch port, and don't forget the obvious stuff like the physical layer. Factory cables or did you make them yourself?
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