Alarm History Restrictions - Cisco ASR 900 Series Configuration Manual

Alarm History
Alarm history or alarm persistence feature enables the maintenance of the history of the port and the path
alarms of the following interface modules:
• 48-Port T1/E1 CEM Interface Module
• 48-Port T3/E3 CEM Interface Module
• 1-Port OC-192 or 8-Port Low Rate CEM Interface Module
History of the port-level and path-level alarms are saved into a file and is retained for monitoring network
events.
•
•
•
•
•

Alarm History Restrictions

The following restrictions apply for the alarm history feature:
• Only port and path level alarm history or alarm persistency is supported.
• Persistence of T1 alarms on a Channelized T3/E3 port or 1-Port OC-192 or 8-Port Low Rate CEM
• Two new files are created after each reboot.
• The primary and secondary log file are created during feature initialization. The primary log file saves
• When a primary file switches to a secondary file and vice versa, the following happens:
Alarm History Restrictions, page 129
Configuring Alarm History, page 130
Verification of Alarm History Configuration, page 130
Associated Commands, page 131
Additional References for Alarm History, page 131
Interface Module is not supported.
10000 alarms. When the threshold of 10000 alarms in the primary log file is crossed, the subsequent
10000 alarms are saved in the secondary log file. After crossing the threshold of 10000 alarms in the
secondary log file, the content of primary log file is cleared and is replaced with the subsequent alarms.
1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco
7
C H A P T E R
ASR 900 Series)
129