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B. Standards Compliance for SNMP Traps
8700-A2-GB20-40 May 2002
B-3
The following list describes the conditions that define linkUp and linkDown:
linkUp/Down variable bindings
ifIndex (RFC 2863 (was 1573))
This object provides the index into the ifTable and potentially into tables in other MIBs.
The ifIndexes supported are:
– 3–10DSL Network Interface
– 15–22DSX-1 or G.703 Port
– 39–46EOC Management Link
ifAdminStatus (RFC 2863)
This object specifies the operational state of the interface:
– up(1)
The interface is enabled.
– down(2)
The interface is disabled.
ifOperStatus (RFC 2863)
This object specifies the operational state of the interface:
– up(1)
DSL Port: DSL link is established and no alarms exist.
DSX-1 or G.703 Port: No alarm conditions exist.
EOC: Based on the state of the link layer protocol.
– down(2)
DSL Port: DSL link is not established or alarms exist.
DSX-1 or G.703 Port: Alarm condition exists.
EOC: Based on the state of the link layer protocol.
– testing(3)
DSL, DSX-1 or G.703 Port: A test is active on the port.
– dormant(5)
DSL Port: DSL link is negotiating.
i
fType (RFC 2863)
This object is the type of interface:
– other(1)
Used for the backplane HDLC interface.
– ds1(18)
Used for DSX-1 interface.
– e1(19)
Used for G.703 interface.
– propPointToPointSerial(22)
Used for EOC.
– v35(45)
Used for the EIA-530-A port.
– sdsl(96)
Used for the DSL network interface.