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Webcast-Catalyst9k
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What does "%LINK-4-ERROR" mean?

I have an NT Print Server that shows the above error several times a day in our switch log. In looking at the interface statistics, I see 1690 input errors and 1690 CRCs in just over a week's time.

We often have HP JetDirect (LaserJet) printers that, once they are turned off and back on, cannot establish a connection with this print server. We stop and restart the spooler on the NT print server, and the printer re-establishes a connection with its queue.

I'm just wondering, with the errors in the 3548 switch log and on the port itself if it isn't a network/NIC issue. We use multiple VLANs. Most printers are not in the same VLAN as the print server. We do have a helper address on the router for our print server.

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Anonymous
N/A

Re: What does "%LINK-4-ERROR" mean?

This messages means that excessive errors have occurred on this interface. Check for duplex mismatches between both ends of the link (LAN switch 3548 and print NIC).

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