Paradyne 9123 manual Physical Sublayer contd, Logical Link Sublayer

SNMP MIBs and Traps, and RMON Alarm Defaults

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

Interface	Variable-Bindings	Possible Cause
Physical Sublayer (cont'd)
Ethernet Port	H ifIndex (RFC 1573)	H linkDown ± Communication is
	H ifAdminStatus	not possible over the Ethernet
		port.
	(RFC 1573)
		Strings:
	H ifOperStatus (RFC 1573)
		`$ifString down.'
	H devLastTrapString	`$ifString administratively
	(devHealthAndStatus.-	shutdown.' (Due to an
	mib)	intentional shutdown.)
		H linkUp ± Communication on
		the port is restored.
		String:
		`$ifString up.'
Logical Link Sublayer
Synchronous	H ifIndex (RFC 1573)	H linkDown ± LMI is down for the
Data Port	H ifAdminStatus	LMI Protocol configured, 3 or
		Frame Relay link is disabled.
	(RFC 1573)
Service Side of the		`$ifString LMI down.' No
	H ifOperStatus (RFC 1573)
		alarms exist on the link.
Frame Relay UNI
		(e.g., `Sync Data Port S01P1
(Supported by the	H devLastTrapString
		frame relay link ªPort-1º
	(devHealthAndStatus.-
media-specific Frame		LMI down.')
	mib)
Relay Services MIB.)		`$ifString administratively
		shutdown.' (Due to an
		intentional shutdown.)
		H linkUp ± LMI is up or Frame
		Relay link is enabled.
		String:
		`$ifString up.'
Network	H ifIndex (RFC 1573)	H linkDown ± LMI is down for the
	H ifAdminStatus	LMI Protocol configured, 3 or
		Frame Relay link is disabled.
DTE Side of the	(RFC 1573)
		Strings:
Frame Relay UNI	H ifOperStatus (RFC 1573)
		`$ifString LMI down.'
(Supported by the
	H devLastTrapString	`$ifString administratively
media-specific Frame
	(devHealthAndStatus.-	shutdown.' (Due to an
Relay DTE's MIB.)
	mib)	intentional shutdown.)
		H linkUp ± LMI is up or Frame
		Relay link is enabled.
		String:
		`$ifString up.'

3 If the LMI Protocol is not configured, a linkUp/linkDown trap is based solely upon whether the interface is enabled or disabled.

B-10 July 2000 9123-A2-GB20-10