Table Of Contents - Avaya 5000 Series Troubleshooting Manual

Chapter 1: Introduction......................................................................................................
Purpose..................................................................................................................................................... 9
Related resources..................................................................................................................................... 10
Support...................................................................................................................................................... 11
Chapter 2: New in this release...........................................................................................
Chapter 3: Troubleshooting planning...............................................................................
Chapter 4: Troubleshooting tools.....................................................................................
Port Mirroring............................................................................................................................................ 17
Port Mirroring commands.......................................................................................................................... 18
Port Statistics............................................................................................................................................ 18
Route Tracing............................................................................................................................................ 19
Stack Loopback Testing............................................................................................................................ 19
Time Domain Reflectometer..................................................................................................................... 19
System Logs............................................................................................................................................. 20
Auto Unit Replacement............................................................................................................................. 20
Avaya Knowledge and Solution Engine.................................................................................................... 20
Chapter 5: General diagnostic tools.................................................................................
ACLI command modes.............................................................................................................................. 21
Chapter 6: Initial troubleshooting......................................................................................
Gather information.................................................................................................................................... 23
Chapter 7: Emergency recovery trees..............................................................................
Emergency recovery trees........................................................................................................................ 25
Corruption of flash..................................................................................................................................... 25
Corruption of flash recovery tree...................................................................................................... 26
IST failure.................................................................................................................................................. 26
IST failure recovery tree................................................................................................................... 27
Layer 3 protocols....................................................................................................................................... 28
Layer 3 protocols recovery tree........................................................................................................ 29
Incorrect PVID........................................................................................................................................... 29
Incorrect PVID recovery tree............................................................................................................ 30
VLAN not tagged to uplink ports............................................................................................................... 30
VLAN not tagged to uplink ports recovery tree................................................................................. 31
SNMP........................................................................................................................................................ 32
SNMP recovery tree......................................................................................................................... 33
Stack......................................................................................................................................................... 34
Stack recovery tree.......................................................................................................................... 35
Dynamic Host Configuration Protocol (DHCP).......................................................................................... 38
DHCP recovery tree......................................................................................................................... 39
AAUR: Both units display yes for Ready for Replacement....................................................................... 40
Both units display yes for Ready for Replacement recovery tree..................................................... 41
Chapter 8: Troubleshooting hardware..............................................................................
Work flow: Troubleshooting hardware....................................................................................................... 43
Check power............................................................................................................................................. 44
Task flow: Check power................................................................................................................... 45
Troubleshooting
Contents
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13
15
17
21
23
25
43
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