H3C S5830 Series Troubleshooting Manual

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iContentsGeneral troubleshooting procedures ·························································································································· 1Obtaining diagnostic information ··································································································································· 1Obtaining other information ············································································································································ 2Checklist for deployment ············································································································································· 2Troubleshooting hardware ·········································································································································· 7Unexpected switch reboot ················································································································································ 7Symptom ···································································································································································· 7Troubleshooting flowchart ······································································································································· 7Solution ······································································································································································ 8Operating power supply failure ······································································································································ 8Symptom ···································································································································································· 8Solution ······································································································································································ 8Newly-installed power supply failure ······························································································································9Symptom ···································································································································································· 9Solution ······································································································································································ 9Fan tray failure ·································································································································································· 9Symptom ···································································································································································· 9Solution ··································································································································································· 10Related commands ························································································································································· 10Troubleshooting system management ······················································································································· 10Temperature alarming ··················································································································································· 11Symptom ································································································································································· 11Troubleshooting flowchart ···································································································································· 11Solution ··································································································································································· 11Related commands ························································································································································· 12Troubleshooting ports················································································································································· 1210/100/1000Base-T copper port fails to go up ······································································································· 12Symptom ································································································································································· 12Troubleshooting flowchart ···································································································································· 13Solution ··································································································································································· 13100/1000-Mbps SFP fiber port fails to go up ··········································································································· 14Symptom ································································································································································· 14Troubleshooting flowchart ···································································································································· 15Solution ··································································································································································· 1510-Gigabit SFP+ fiber port fails to go up ···················································································································· 17Symptom ································································································································································· 17Troubleshooting flowchart ···································································································································· 18Solution ··································································································································································· 19Error frames (for example, CRC errors) on a port ······································································································ 20Symptom ································································································································································· 20Troubleshooting flowchart ···································································································································· 21Solution ··································································································································································· 21Failure to receive packets ·············································································································································· 23Symptom ································································································································································· 23Troubleshooting flowchart ···································································································································· 23Solution ··································································································································································· 23Failure to send packets ·················································································································································· 25