Dell Force10 E600i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 949
SONET Syslog Example, Events that Bring Down a SONET Interface
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SONET Syslog Example Syslog messages are generated for Critical, Major, and Minor alarm conditions detected on a SONET interface according to the alarm hierarchy. For example, if a critical alarm condition is detected, a Syslog message is reported for the critical condition, but not for any major and minor alarms that may also be found. If a minor alarm condition is detected, a major or critical condition may also be reported. The following output text shows an example of the Syslog messages generated for SONET alarms: • Line Alarm Indication Signal (lais) • Path Remote Defect Indication (prdi) • Section Loss of Frame (slof) Oct 6 04:46:51: %EXW4PF:13 %SONETAGT-5-ALARM: Interface Te 13/1 is out of alarm LAIS Oct 6 04:46:42: %EXW4PF:13 %SONETAGT-6-ALARM: Interface Te 13/1 is out of alarm PRDI Oct 6 04:46:44: %EXW4PF:13 %SONETAGT-4-ALARM: Interface Te 13/1 is in alarm SLOF Events that Bring Down a SONET Interface Down State configuration is supported on E-Series TeraScale et platforms. You can configure the SONET interface to change to a "down state" when certain SONET events are reported. When the event (or trigger) occurs, FTOS brings down the SONET interface. You can use the delay triggers command to indicate a 100ms delay in bringing down the SONET interface once the event or trigger is detected. Task Delay triggering the line or path alarms with a 100ms delay. Command Syntax delay triggers {line [lrdi | sd-ber | sf-ber] | path [pais | prdi] } Command Mode INTERFACE By default, certain alarms (LOS, LOF, LAIS, PLOP) bring the line protocol down immediately. Use this command, with the line option, to delay that trigger event by 100ms. By default, path alarms (AIS, RDI, LOP) do not cause (or trigger) the interface line protocol to go down. The delay triggers command, used with the path option, can be used to trigger this action. Note: FTOS does not support configurable thresholds; delay triggers uses a default value of 100 ms. SONET/SDH | 949
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