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Users connected to Switch Lose Access to Network

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TitleUsers connected to Switch Lose Access to Network
Symptoms
  • applications, e-mail, Internet,  and servers
  • Users suddenly lose connection to applications like e-mail and web
  • NMS loses contact to the switch

Severity Timestamp Source Type Event Information
Info 1/29/2018 12:10 B5.28 Event Contact Established SNMP Contact Established: SNMP reply from device 10.2.0.28, uptime is 85 Days 09:13:34
Warning 1/29/2018 12:10 Event Contact Lost SNMP Contact Lost: No SNMP reply from device 10.2.0.28 caused by SNMP Error: Timeout[4098], last uptime was 85 Days 09:11:34
Info 1/29/2018 11:27 B5.28 Event Contact Established SNMP Contact Established: SNMP
reply from device 10.2.0.28, uptime is 85 Days 08:30:
  • show port flowcontrol shows RX Pause counts in the millions
Environment
Securestack
Cause
Misconfigured rate limit on firewall between switch and network resources
Resolution
Correct rate limit config on firewall
Additional notes

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