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Purple

Cat4000 error message

Anyone know when you do a show counters slot/port , what does this column mean , these correlate with the fcs errors we are seeing .

34 symbolErrorDuringCarrier = 334

7 rxCRCAlignErrorPacketCount = 335

2 REPLIES

Re: Cat4000 error message

symbolErrorDuringCarrier = Number of symbol error during carrier (Fast Ethernet) errors.

rxCRCAlignErrorPacketCount = Number of received CRC align error packets

When operating at full-duplex, FCS, Cyclic Redundancy Checks (CRC), alignment errors, and runt counters should be minimal. If the link is operating at full-duplex, the collision counter is not active. If the FCS, CRC, alignment, or runt counters are incrementing, check for a duplex mismatch. Duplex mismatch is a situation where the switch is operating at full-duplex and the connected device is operating at half-duplex, or vice versa. The results of a duplex mismatch will be extremely slow performance, intermittent connectivity, and loss of connection. Other possible causes of data link errors at full-duplex are bad cables, faulty switch ports, or NIC software/hardware issues.

Steve

Purple

Re: Cat4000 error message

Yeah I have checked both ends and they are both hardcoded to 100/full and we are still seeing these type errors . I am leaning towards the media converter (fiber to 10bT) that may be the problem on this . The problem we are having is that a customer is dropping while trying to do a ftp , have checked the user port and there are no errors at all on the user port and they have tried more than one machine trying to do this ftp and they all seem to fail . Still not ruling out an app problem but have to get rid of the uplink error problem first before continueing on with the troubleshooting process .

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