DCP Series Telcon Message Manual - Public Support Login - Unisys

Event 3 EVENT/ERROR DETECTED AT L3 (NETWORK)
OSIIP–X.25 SUBNET NOT UP; SEND REQUEST DISCARDED
Description: No indication of X.25 initialization has been received. The OSIIP
component of the OSITS program product generates this CENLOG.
Reason: Configuration or hardware error.
OSISIS: ATTEMPT TO EXCEED MAXIMUM SEQUENCE NUMBER
Description: Sequence number on an LSP overflowed. Disables the IS for 20
minutes. The OSISIS component of the OSITS program product generates this
CENLOG.
Reason: This happens after a long period of time.
OSISIS: ATTEMPT TO EXCEED MAXIMUM SEQUENCE NUMBER
Description: An LSP needed to be sent, but could not increment the sequence
number without causing overflow. This is normal after a long period of time. The
OSISIS component of the OSITS program product generates this CENLOG.
Reason: A lot of nodes going up or down on the network.
OSISIS: AUTHENTICATION FAILURE
Description: An ISIS PDU was received with an incorrect password. The OSISIS
component of the OSITS program product generates this CENLOG.
Reason: There is an IS on the network that doesn’t belong.
OSISIS: BAD ISIS PDU TYPE
Description: Received an ISIS PDU with an invalid PDU type field. The OSISIS
component of the OSITS program product generates this CENLOG.
Reason: A node on the network is generating corrupt PDUs.
OSISIS: BUMP CHAIN FAILED ON TENT
Description: Could not follow the chain in the tentative paths memory management
pool. The OSISIS component of the OSITS program product generates this CENLOG.
Reason: Programming error.
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