SNMP MIBs and Traps, and RMON Alarm Defaults
B-10
9664-A2-GB20-00
March 2000
Table B-6.
linkUp and linkDown Variable-Bindings(2 of 2)
Interface
Possible Cause
Variable-Bindings
Logical Link Sublayer
Frame Relay
(Supported by the
media-specific Frame
Relay Services MIB.)
H
ifIndex (RFC 1573)
H
ifAdminStatus
(RFC 1573)
H
ifOperStatus (RFC 1573)
H
devLastTrapString
(devHealthAndStatus.-
mib)
H
linkDown – LMI is down for
the LMI Protocol configured,
2
or Frame Relay link is
disabled.
Strings:
‘$ifString down.’ No alarms
exist on the link due to LMI.
‘$ifString LMI down.’ No
alarms exist on the link
because LMI is down.
‘$ifString administratively
shutdown.’ (Due to an
intentional shutdown.)
H
linkUp – LMI is up or Frame
Relay link is enabled.
String:
‘$ifString up.’
2
If the LMI Protocol is not configured, a linkUp/ linkDown trap is based solely upon
whether the interface is enabled or disabled.
Summary of Contents for FrameSaver SLV 9664
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