3Com MSR 30, MSR 50 manual Display standby state, Main and backup interfaces

2218 CHAPTER 145: BACKUP CENTER CONFIGURATION COMMANDS

display standby state

Syntax	display standby state
View	Any view
Parameter	None
Description	Use the display standby state command to display the state information of the
	main and backup interfaces.
Example	# Display the state information of the main and backup interfaces.
	<Sysname>	display standby state
	Interface	Interfacestate Backupstate Backupflag Pri Loadstate
	Serial2/0	UP	MUP	MUD	TO-HYPNOTIZE
	Serial2/1	DOWN	DOWM	BU	30
	Serial2/2	STANDBY	STANDBY	BU	10
	Backup-flag meaning:
	M---MAIN	B---BACKUP	V---MOVED	U---USED
	D---LOAD	P---PULLED

The following tables describe the meanings of each state.

Table 583 States of main and backup interfaces

State	Main interface		Backup interface
Up	Indicates that the physical link is functioning normally for data transmission.
Down	Indicates that the physical link is not available for data transmission, for
	example, because no cable connection is present.
Standby	--		The state of the backup interface when
			the main interface is functioning. Data
			transmission is disabled on the backup
			interface.
Table 584 Backup states of the main interface
State		Description
MUP		The main interface is working normally for data transmission.
MUPDELAY		The main interface is experiencing a delay before it transits from the
		non-working state to the working state to take over. At this time, the
		backup interface is still active.
MDOWN		The main interface cannot work normally. A backup interface must be
		brought up to take over.
MDOWNDELAY		The main interface is experiencing a delay before it transits from the
		working state to the non-working state. At this time, the backup interface
		does not really take over the job of the main interface.
Table 585 Backup states of the backup interface
State		Description
UP		State of the backup interface when it is started