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Communication Manager Maintenance-Object Repair Procedures
2178 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
b. 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
on page 2176.
2. Clear errors and wait for 10 minutes.
c. 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
on page 2176.
2. Clear errors and wait for 10 minutes.
d. 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
on page 2176.
2. Clear errors and wait for 10 minutes.
e. 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
on page 2176.
2. Clear errors and wait for 10 minutes.
f. 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 the previous section, Common Procedure for Repairing Link
Problems on page 2176.
3. Clear errors and wait for 10 minutes.
g. 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 sick. 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
on page 2176.
2. Clear errors and wait for 10 minutes.