Physical Sublayer

SNMP MIBs and Traps, and RMON Alarm Defaults

Table B-6. linkUp and linkDown Variable-Bindings(1 of 2)

Interface

Variable-Bindings

Possible Cause

Network ISDN S/T

(Supported by the media-specific RS232-like MIB.)

HifIndex (RFC 1573)

HifAdminStatus (RFC 1573)

HifOperStatus (RFC 1573)

HdevLastTrapString (devHealthAndStatus.- mib)

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

The alarm condition for the ISDN S/T interface is Loss of Signal (LOS).

String:

`$ifString $alarmString down.' (e.g., `Network ISDN S/T down due to LOS.')

`$ifString administratively shutdown.' (Due to an intentional shutdown.)

HlinkUp ± No alarms on the interface.

String:

`$ifString up.'

User Synchronous	H ifIndex (RFC 1573)	H linkDown ± One or more alarm
Data Port	H ifAdminStatus	conditions are active on the
	H ifAdminStatus	port.
	(RFC 1573)	port.
(Supported by the	(RFC 1573)	Alarm conditions include:
	H ifOperStatus (RFC 1573)	Alarm conditions include:
		± DTR off 1
media-specific		± DTR off 1
RS232-like MIB.)	H devLastTrapString	± RTS off 1
	(devHealthAndStatus.-	± `' ± Not DTR or RTS, but
	mib)	± `' ± Not DTR or RTS, but
	mib)	link is down.
		link is down.
		String:
		`$ifString $alarmString down.'
		(e.g., `Sync Data Port S01P1
		DTR down.')
		`$ifString administratively
		shutdown.' (Due to an
		intentional shutdown.)
		H linkUp ± No alarms on the
		port.
		String:
		`$ifString up.'

1 This alarm condition only generates a linkUp/linkDown trap if the DTE supports
this lead state.

9664-A2-GB20-00

March 2000

B-9

9664 specifications

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Paradyne 9664 manual Physical Sublayer

Models: 9664