Lucent Technologies SLV 9124 Window User Manual


 
SNMP MIBs and Traps, and RMON Alarm Defaults
B-9
9124-A2-LB20-00
March 2000
Table B-6. linkUp and linkDown Variable-Bindings (1 of 2)
Interface
Variable-Bindings Possible Cause
Physical Sublayer
Network,
DSX-1
(Supported by the
media-specific DS1
MIB.)
H ifIndex (RFC 1573)
H ifAdminStatus
(RFC 1573)
H ifOperStatus (RFC 1573)
H devLastTrapString
(devHealthAndStatus.-
mib)
H linkDown One or more alarm
conditions are active on the
interface.
Alarm conditions include:
Loss of Signal (LOS) or
far-end loss of signal
Out of Frame (OOF)
Alarm Indication Signal
(AIS)
Excessive Error Rate (EER)
Yellow Alarm
Strings:
$ifString down. No alarms
exist. (e.g., Network T1 down
due to yellow alarm.)
$ifString administratively
shutdown. (Due to an
intentional shutdown.)
H linkUp No alarms on the
interface.
String:
$ifString up.
Synchronous
Data Port
(Supported by the
media-specific
RS232-like MIB.)
H ifIndex (RFC 1573)
H ifAdminStatus
(RFC 1573)
H ifOperStatus (RFC 1573)
H devLastTrapString
(devHealthAndStatus.-
mib)
H linkDown One or more alarm
conditions are active on the
port.
Alarm conditions include:
DTR off
1
RTS off
2
–‘’ Not DTR or RTS, but
link is down.
String:
$ifString $alarmString down.
(e.g., Sync Data Port S01P1
DTR and RTS down.)
$ifString administratively
shutdown. (Due to an
intentional shutdown.)
H linkUp No alarms on the
port.
String:
$ifString up.
1
The DTR alarm condition will only generate a linkUp/linkDown trap if the DTE
supports the DTR lead state.
2
The RTS alarm condition will only generate a linkUp/linkDown trap if the DTE
supports the RTS lead state.