Paradyne 7123 User Manual page 126

B. SNMP MIBs and Traps
Table B-5.
B-8
linkUp and linkDown Variable-Bindings (2 of 2)
Interface Variable-Bindings
Physical Sublayer (cont'd)
T
Ethernet Port
T
T
T
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.
3
A linkUp/linkDown trap is based solely upon whether the interface is enabled or
disabled.
September 2001
Possible Cause
T
ifIndex (RFC 1573)
ifAdminStatus
(RFC 1573)
ifOperStatus (RFC 1573)
devLastTrapString
(devHealthAndStatus.-
mib)
T
linkDown – Communication is
not possible over the Ethernet
port.
Strings:
'$ifString down.'
'$ifString administratively
shutdown.' (Due to an
intentional shutdown.)
linkUp – Communication on the
port is restored.
String:
'$ifString up.'
7123-A2-GB20-00