hi all,we have a topology without any redundant link. Every access switch is directly connected with the core switch, and it's a port-channel between access switch and the core. RSTP runs on switches by default, and we do not explicitly configure the...

Thanks in advance!I have a problem that Cognex scanning gun cannot actively refresh its ARP on core switch (cisco WS-C6506). Say, if scanning gun A has an IP address C, and gun A is faulty needing to be replaced by gun B with IP address C. The ARP th...

hi everyone,our production line use wired scanner with static IP address, let's say scanner A is broken or reached EOL, and got replaced with scanner B, IP address will stay the same. But when the scanner B is connected with the same IP to the access...

issue:when doing Microsoft Autopilot Enrollment task sequence, it either shows error "Oops,you've lost internet connect" though I can at the same time ping the internet sites, or takes a very long time (like, 30 minutes or more ) to finish the autopi...

Hi everyone,Happened to view some logs from our core switch like:Jan 2 02:27:44.265: SW1: IP: recv fragment from 10.80.36.33 offset 0 bytesJan 2 02:27:44.265: SW1: IP: recv fragment from 10.80.36.33 offset 1480 bytesJan 2 02:30:01.655: SW1: IP: recv ...