Mitel 50005070 Instruction Manual download pdf (Page 287)

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Advanced Troubleshooting and Repair

 Where does the problem lie? Within the LAN infrastructure, WAN

infrastructure, routing between subnets (VLAN's), certain Layer 2

switches, certain ports on the Layer 2 switch, connection to the

SX-200 ICP, etc.?

 Isolate (if possible and after hours). If the problem is reproducible, then

disconnect voice from the LAN (if it’s a data problem) or the LAN from

voice (if it’s a voice problem) and retry scenario.

 Do you have a Network Analyzer (including an Ethernet Tap) that will

capture information such as broadcasts being received, runts,

collisions, network utilization, etc.?

- Is the problem experienced on one part of the network or

throughout? Don't assume only the person complaining has the

problem (try different areas of the network.

- Make connections or calls to the problem area with the Network

Analyzer attached and capturing information (one capture from

source, one capture from destination).

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Mitel 50005070 Instruction Manual Page 287

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