Error type 13: the link went down. The link may have gone down or never come up. Enter status sys-link location and check the value of the Faulted Path field. If the value is default, then the link never came up. If the value is present, then the link came up and then went down.

1. Follow the information in Common Procedure for Repairing Link Problems.

2. Wait for 3–5 minutes before checking the link state.

3. Repeat the procedure until there are no problems.

Error type 257: the link has experienced uplink flow control, and the endpoint may be hyperactive. The system link is alarmed if 4 or more errors of this type are detected within 10 minutes.

1. Follow the information in Common Procedure for Repairing Link Problems.

2. Clear errors and wait for 10 minutes.

Error type 513: the link has experienced downlink flow control, meaning that some information packets from the packet interface board have been lost. The link is reset on first occurrence and Error 1025 is also logged. The system link is alarmed if 2 or more errors of this type are detected within 10 minutes.

1. Follow the information in Common Procedure for Repairing Link Problems.

2. Clear errors and wait for 10 minutes.

Error type 772: the link experienced a temporary disconnect due to excessive resets or state transitions, meaning that the link is taken down and then brought up again. The system link is alarmed if 2 or more errors of this type are detected within 10 minutes.

1. Follow the information in Common Procedure for Repairing Link Problems.

2. Clear errors and wait for 10 minutes.

Error type 1025: the link has been reset, meaning that information packets queued at the time of reset are lost. The system link is alarmed if 20 or more errors of this type are detected within 10 minutes.

1. Follow the information in Common Procedure for Repairing Link Problems.

2. Clear errors and wait for 10 minutes.

Error type 1281: the link has experienced slow transmit rate because the remote endpoint is busy. The effect of this error is that the endpoint location may experience slower throughput rate and/or noisy transmission. The system link is alarmed if 4 or more errors of this type are detected within 10 minutes.

1. Ensure that the remote endpoint is functioning properly.

2. Follow the information in Common Procedure for Repairing Link Problems.

3. Clear errors and wait for 10 minutes.

Error type 1537: the link has experienced slow transmit rate due to excessive retransmission. Possible causes may be that the switch is overrunning the endpoint, or that the endpoint is not operating properly. The effect is that the endpoint location may experience slower throughput rate. The system link is alarmed if 4 or more errors of this type are detected within 10 minutes.

1. Follow the information in Common Procedure for Repairing Link Problems.

2. Clear errors and wait for 10 minutes.

Error type 1793: This error indicates that the link has experienced slow transmit rate due to unknown causes, meaning that the endpoint location may experience slower throughput rate and the Packet Interface may experience backup or congestion. The system link is alarmed if 4 or more errors of this type are detected within 10 minutes.

1. Follow the information in Common Procedure for Repairing Link Problems.

2. Clear errors and wait for 10 minutes.

Error type 2049: the link has transmitted an excess amount of packets. The transmit buffers of this link have been purged. The system link is alarmed if 4 or more errors of this type are detected within 10 min.

1. Follow the Common Procedure for Repairing Link Problems.

2. Clear errors and wait for 10 min.