Paradyne FrameSaver SLV 9664 - Manual (Page 195)

SNMP MIBs and Traps, and RMON Alarm Defaults
B-9 9664-A2-GB20-00 March 2000
Table B-6. linkUp and linkDown Variable-Bindings(1 of 2)
Interface Variable-Bindings Possible Cause
Physical Sublayer
Network ISDN S/T
(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
interface.
The alarm condition for the
ISDN S/T interface is Loss of
Signal (LOS).
String:
‘$ifString $alarmString down.’
(e.g., ‘Network ISDN S/T
down due to LOS.’ )
‘$ifString administratively
shutdown.’ (Due to an
intentional shutdown.)
H linkUp – No alarms on the
interface.
String:
‘$ifString up.’
User Synchronous
Data Port
(Supported by the
media-specific
RS232-like MIB.)
H ifIndex (RFC 1573)
H ifAdminStatus
(RFC 1573)
H ifOperStatus (RFC 1573)
H devLastTrapString
(devHealthAndStatus.-
mib)
H linkDown – One or more alarm
conditions are active on the
port.
Alarm conditions include:
– DTR off 1
– RTS off 1
– ‘ ’ – Not DTR or RTS, but
link is down.
String:
‘$ifString $alarmString down.’
(e.g., ‘Sync Data Port S01P1
DTR down.’ )
‘$ifString administratively
shutdown.’ (Due to an
intentional shutdown.)
H linkUp – No alarms on the
port.
String:
‘$ifString up.’
1 This alarm condition only generates a linkUp/ linkDown trap if the DTE supports
this lead state.