Solution ··································································································································································· 50
Related commands ················································································································································ 51
Protocol flapping ···························································································································································· 51
Symptom ································································································································································· 51
Troubleshooting flowchart ···································································································································· 51
Solution ··································································································································································· 52
Fan failure ······································································································································································· 52
Symptom ································································································································································· 52
Troubleshooting flowchart ···································································································································· 53
Solution ··································································································································································· 53
Related commands ················································································································································ 54
iii