Troubleshooting flowchart ···································································································································· 21
Solution ··································································································································································· 21
Symptom ································································································································································· 23
Troubleshooting flowchart ···································································································································· 23
Solution ··································································································································································· 23
Symptom ································································································································································· 24
Troubleshooting flowchart ···································································································································· 24
Solution ··································································································································································· 24
Symptom ································································································································································· 25
Troubleshooting flowchart ···································································································································· 26
Solution ··································································································································································· 26
Symptom ································································································································································· 27
Troubleshooting flowchart ···································································································································· 27
Solution ··································································································································································· 27
Failure to receive packets ·············································································································································· 29
Symptom ································································································································································· 29
Troubleshooting flowchart ···································································································································· 29
Solution ··································································································································································· 30
Failure to send packets ·················································································································································· 31
Symptom ································································································································································· 31
Troubleshooting flowchart ···································································································································· 31
Solution ··································································································································································· 31
Related commands ························································································································································· 32
High CPU utilization ······················································································································································ 34
Symptom ································································································································································· 34
Troubleshooting flowchart ···································································································································· 34
Solution ··································································································································································· 34
High memory utilization ················································································································································ 36
Symptom ································································································································································· 36
Troubleshooting flowchart ···································································································································· 36
Solution ··································································································································································· 36
Related commands ························································································································································· 37
Troubleshooting other problems ································································································································ 38
Layer 2 forwarding failure ············································································································································ 38
Symptom ································································································································································· 38
Troubleshooting flowchart ···································································································································· 39
Solution ··································································································································································· 39
Related commands ················································································································································ 42
Layer 3 forwarding failure ············································································································································ 43
Symptom ································································································································································· 43
Troubleshooting flowchart ···································································································································· 44
Solution ··································································································································································· 44
Related commands ················································································································································ 45
Protocol flapping ···························································································································································· 45
Symptom ································································································································································· 45
Troubleshooting flowchart ···································································································································· 45
Solution ··································································································································································· 46
Fan failure ······································································································································································· 46
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