Linkup And Linkdown - Paradyne 7974 User Manual

linkUp and linkDown

The link SNMP traps are:
T
T
The network and synchronous port interfaces (physical sublayer) are represented
by an entry in the MIB-II Interfaces table and supported by the DS1 MIB.
The following list describes the conditions that define linkUp and linkDown:
7900-A2-GB21-20
linkUp – The unit recognizes that one of the communication interfaces is
operational.
linkDown – The unit recognizes that one of the communication interfaces is
not operational.
linkUp/Down variable bindings
T
ifIndex (RFC 1573)
This object provides the index into the ifTable and potentially into tables in other MIBs.
The ifIndexes supported are:
– 1COM Port
– 2DSL Network Interface
– 6DSX-1 or G.703 Port
– 10EIA-530-A Port
– 14EOC Management Link
T
ifAdminStatus (RFC 1573)
This object specifies the operational state of the interface:
– up(1)
The interface is enabled.
– down(2)
The interface is disabled.
T
ifOperStatus (RFC 1573)
This object specifies the operational state of the interface:
– up(1)
COM Port: Always up unless defined as a Net Link, in which case status is
controlled by link layer protocol and control leads.
DSL Port: DSL link is established and no alarms exist.
DSX-1 or G.703 Port: No alarm conditions exist.
EIA-530-A Port: Port is enabled and configured control leads are on.
EOC: Based on the state of the link layer protocol.
– down(2)
COM Port: Down status is controlled by link layer protocol and control leads.
DSL Port: DSL link is not established or alarms exist.
DSX-1 or G.703 Port: Alarm condition exists.
EIA-530-A Port: Port is disabled or a configured control lead is off.
EOC: Based on the state of the link layer protocol.
– testing(3)
DSL, DSX-1, G.703, or EIA-530-A Port: A test is active on the port.
– dormant(5)
DSL Port: DSL link is negotiating.
December 2001
B. Standards Compliance for SNMP Traps
B-3