User`s guide

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Contents
5.10.1 Filtering for Security Purposes.................................................5-20
Example 1 — Blocking access to a network segment ................5-20
Example 2 — Blocking access to specific stations ......................5-22
Example 3 — Restricting access to authorized users.................5-25
Example 4 — Filtering by vendor ID ...........................................5-26
Example 5 — Configuring a firewall filter
to control multicasts .......................................................................5-27
CHAPTER 6 TRAPS
6.1 GENERIC SNMP TRAPS.........................................................................6-1
6.2 ATX UNIQUE TRAP IDS.........................................................................6-3
CHAPTER 7 DIAGNOSTICS AND TROUBLESHOOTING
7.1 DIAGNOSTICS OVERVIEW..................................................................7-1
7.2 POWER-UP DIAGNOSTICS ..................................................................7-1
7.2.1 Power-up LED Sequence ..............................................................7-2
7.2.2 Specific Power-up Tests.................................................................7-3
7.2.3 Software Checksum Comparison ................................................7-4
7.2.4 Power-up Diagnostics Results......................................................7-4
7.2.5 Responses to Failures at Power-up..............................................7-4
Failure Indicators..............................................................................7-5
NMS Failure Traps............................................................................7-5
7.3 DIAGNOSTICS WHILE ATX IS OPERATIONAL ..............................7-5
7.3.1 Loopback Tests ...............................................................................7-5
7.3.2 Diagnostic Results..........................................................................7-6
7.4 STATUS AND ACTIVITY LEDS............................................................7-6
7.5 TROUBLESHOOTING.............................................................................7-8
7.5.1 ATX Does Not Power Up..............................................................7-9
7.5.2 Module Status LED Not Lit..........................................................7-9
7.5.3 Connectivity Problems..................................................................7-9
7.5.4 ATX Has Rebooted.......................................................................7-10
7.5.5 ATX Does Not Respond To NMS...............................................7-10
CHAPTER 8 ADDING/SWAPPING MODULES AND
MAINTENANCE
8.1 ADDING A MODULE.............................................................................8-1
8.2 SWAPPING A MODULE........................................................................8-2