Paradyne 7112 manual Interface LinkUp/Down Variable-Bindings Possible Cause

Standards Compliance for SNMP Traps

The following table describes the conditions that define linkUp and linkDown for each interface:

Interface

linkUp/Down Variable-Bindings

Possible Cause

Physical Sublayer ± Represented by the entry in the MIB II Interfaces Table.

T1 network

(Supported by the media-specific ds1 MIB.)

HifIndex (RFC 1573)

HifAdminStatus (RFC 1573)

HifOperStatus (RFC 1573)

HifType (RFC 1573)

Hdsx1LineStatus (RFC 1406)

HlinkDown ± One or more alarm conditions are active on the interface.

Alarm conditions include:

±Loss of Signal

±Out of Frame

±Alarm Indication Signal

±Excessive Error Rate

±Yellow Alarm

HlinkUp ± No alarms on the interface.

Synchronous User	H ifIndex (RFC 1573)		H linkDown ± One or more
Data Port	H	ifAdminStatus	alarm conditions are active on
			the interface.
(Supported by the		(RFC 1573)
			Alarm conditions include:
media-specific		ifOperStatus (RFC 1573)
	H		± DTR Off (only if the DTE
RS232-Like MIB.)
	H ifType (RFC 1573)		supports the DTR lead and
			the port is configured to
			monitor DTR.
			± RTS Off (only if the DTE
			supports the RTS lead).
			H linkUp ± No alarms on the
			interface.

7112-A2-GB20-20 March 1998 D-3