Contents
Chapter 1: Introduction......................................................................................................
13
Purpose.....................................................................................................................................................
13
Related resources.....................................................................................................................................
13
Support......................................................................................................................................................
15
Chapter 2: New in this release...........................................................................................
17
Features....................................................................................................................................................
17
SLA Monitor......................................................................................................................................
17
802.3at LLDP based discovery........................................................................................................
17
Change RADIUS Password.............................................................................................................
18
Link-state tracking............................................................................................................................
18
Run scripts.......................................................................................................................................
19
Block subsequent MAC authentication.............................................................................................
19
Fail Open VLAN Continuity mode....................................................................................................
19
NEAP Not Member of VLAN............................................................................................................
20
Syslog Support for 802.1X/EAP/NEAP/UBP....................................................................................
20
Trace Support for 802.1X.................................................................................................................
20
RSPAN.............................................................................................................................................
21
SPBM...............................................................................................................................................
21
Chapter 3: Troubleshooting planning...............................................................................
23
Chapter 4: Troubleshooting tools.....................................................................................
25
Port mirroring............................................................................................................................................
25
Port mirroring commands..........................................................................................................................
26
RSPAN......................................................................................................................................................
27
RSPAN commands...................................................................................................................................
28
Port statistics.............................................................................................................................................
28
Stack loopback testing..............................................................................................................................
28
Stack health check....................................................................................................................................
29
Stack Forced Mode...................................................................................................................................
29
System logs...............................................................................................................................................
33
Backup config file......................................................................................................................................
34
ASCII download log enhancement............................................................................................................
34
CPU and memory utilization......................................................................................................................
36
Show commands.......................................................................................................................................
36
Address Resolution Protocol.....................................................................................................................
36
Dynamic ARP inspection...........................................................................................................................
37
MAC Flush................................................................................................................................................
38
MLT/DMLT trunk.......................................................................................................................................
39
SNMP traps for DHCP Snooping, Dynamic ARP Inspection, and IP Source Guard................................
40
Dynamic Host Configuration Protocol Relay (DHCP) relay.......................................................................
41
Auto Unit Replacement.............................................................................................................................
42
Diagnostic Auto Unit Replacement (DAUR)..............................................................................................
42
Multicast behavior.....................................................................................................................................
46
IPv6...........................................................................................................................................................
46
Light Emitting Diode (LED) display...........................................................................................................
47
Troubleshooting Avaya ERS 4000 Series April 2014 5
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