User manual

4-9
Chapter 4
(25) Detected (#) TCP Header errors from (address)
Recommendations -
Check switches and routers between the LanExpert
and the device.
Replace the device.
(26) Detected (#) ICMP Header errors from (address)
Recommendations -
Check switches and routers between the LanExpert
and the device.
Replace the device.
(27) Detected (#) ICMP Unreachable frames
Recommendations -
Check switches and routers between the LanExpert
and the device.
Replace the device.
(28) Detected (#) ICMP Unreachable frames
Small numbers of these are not unusual. High numbers
usually indicate that a device is misconfigured (incorrect
server IP or port).
Recommendations -
Change the devices for compatibility.
(29) Devices on P1 and P2 have mismatched speed
capabilities. They will not operate together
Recommendations -
Change the devices for compatibility.
(30) Devices on P1 and P2 have mismatched MDI/X capabilities.
They will not operate together
Recommendations-
Change the devices for compatibility.
(31) Collisions have been detected
Recommendations -
Check devices are properly configured for half duplex
operation.
Change network to only use full duplex.
(32) Cable has reversed polarity in 1 (or more) wire pairs
Recommendations -
Check the cable and the device.
(33) VoIP device (address) SIP response timeout. See VoIP
screen for details
Recommendations -
Check configuration of the VoIP device.
Check connectivity to SIP server.
Analyze Network
Problems - cont.