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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