HPE FlexNetwork 10500 SERIES Troubleshooting Manual page 3

Troubleshooting system management ················································ 27
High CPU usage ······················································································································ 28
Symptom ························································································································· 28
Troubleshooting flowchart ··································································································· 28
Solution ··························································································································· 29
High memory usage ················································································································· 32
Symptom ························································································································· 32
Troubleshooting flowchart ··································································································· 32
Solution ··························································································································· 32
Temperature alarms ················································································································· 34
Symptom ························································································································· 34
Troubleshooting flowchart ··································································································· 34
Solution ··························································································································· 35
Related commands ·················································································································· 35
Troubleshooting ports ····································································· 35
10/100/1000Base-T copper port fails to come up ············································································ 35
Symptom ························································································································· 35
Troubleshooting flowchart ··································································································· 36
Solution ··························································································································· 36
1000-Mbps SFP fiber port fails to come up ···················································································· 37
Symptom ························································································································· 37
Troubleshooting flowchart ··································································································· 37
Solution ··························································································································· 37
10-Gigabit SFP+/XFP fiber port fails to come up ············································································· 40
Symptom ························································································································· 40
Troubleshooting flowchart ··································································································· 40
Solution ··························································································································· 41
40-GE QSFP+/CFP fiber port fails to come up ················································································ 41
Symptom ························································································································· 41
Troubleshooting flowchart ··································································································· 42
Solution ··························································································································· 42
100-GE CFP fiber port fails to come up ························································································· 43
Symptom ························································································································· 43
Troubleshooting flowchart ··································································································· 43
Solution ··························································································································· 43
A port goes down ····················································································································· 44
Symptom ························································································································· 44
Solution ··························································································································· 44
Port state flapping ···················································································································· 44
Symptom ························································································································· 44
Solution ··························································································································· 44
Transceiver module failure ········································································································· 45
Symptom ························································································································· 45
Solution ··························································································································· 45
Reporting non-HPE transceiver modules ······················································································· 47
Symptom ························································································································· 47
Troubleshooting flowchart ··································································································· 48
Solution ··························································································································· 48
Failure to support digital diagnosis on a transceiver module ······························································ 48
Symptom ························································································································· 48
Troubleshooting flowchart ··································································································· 49
Solution ··························································································································· 49
Error frames (for example, CRC errors) on a port ············································································ 49
Symptom ························································································································· 49
Troubleshooting flowchart ··································································································· 51
Solution ··························································································································· 51
Failure to receive or send packets ······························································································· 53
Symptom ························································································································· 53
Troubleshooting flowchart ··································································································· 54
Solution ··························································································································· 54
ii