Chapter3 Managing ITP Networks Using SGM
Working with Links
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Cisco Signaling Gateway Manager User Guide
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Signalling routing control(TSRC): Adjacent Signalling Point is
restarting
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Link availability control(TLAC): Link has been inhibited by a local
management operation
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Link availability control(TLAC): LInk has been inhibited by a remote
management operation
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Link availability control(TLAC): Link is blocked because of a local
processor outage
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Link availability control(TLAC): Link is blocked because of a remote
processor outage
•Link Test Results—Indicates the results of the link test. Possible results are:
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No Errors—The link did not detect any errors.
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Undefined OPC (Origination Point Code)—A signaling link test
message was received with an undefined OPC. This can occur when a
serial link is connected incorrectly, or when an SCTP link is configured
incorrectly. This differs from Incorrect OPC because the signaling point
is unaware of the point code in question. The point code is not defined
for any linkset on this ITP.
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Incorrect OPC (Origination Point Code)—A signaling link test
message was received with an incorrect OPC. This can occur when a
serial link is connected incorrectly, or when an SCTP link is configured
incorrectly. This differs from Undefined OPC because the signaling
point is aware of the point code in question, and the point code is defined
for a linkset on this ITP, but the point code is not correct for the current
linkset.
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Undefined SLC (Signaling Link Code)—A signaling link test message
was received with an undefined SLC. This can occur when a serial link
is connected incorrectly, or when an SCTP link is configured incorrectly.
The link is connected to the correct linkset, but the linkset does not have
a definition for the SLC in question.
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Incorrect SLC (Signaling Link Code)—A signaling link test message
was received with an incorrect SLC. This can occur when a serial link is
connected incorrectly, or when an SCTP link is configured incorrectly.
The link is connected to the correct linkset, but to the wrong link within
that linkset. That is, the signaling test receives the test packet on the
wrong link.