display channel

Function

The display channel command displays the channel configuration.

Format

display channel [ channel-number | channel-name ]

Parameters

Parameter	Description	Value
channel-number	Specifies the number of a channel.	The value is an integer that ranges from 0 to 9. That is, the system has 10 channels. Channels 0 to 5 have default names and the six channels map to six different output directions. Table 1 shows the relationship between channels and output directions.
channel-name	Specifies the name of a channel.	The value is a string of 1 to 30 case-insensitive characters. The value consists of letters or numbers and must start with a letter.

Parameter

Description

Value

channel-number

Specifies the number of a channel.

The value is an integer that ranges from 0 to 9. That is, the system has 10 channels. Channels 0 to 5 have default names and the six channels map to six different output directions.

Table 1 shows the relationship between channels and output directions.

channel-name

Specifies the name of a channel.

The value is a string of 1 to 30 case-insensitive characters. The value consists of letters or numbers and must start with a letter.

**Table 1** Relationship between channel and output directions
Channel Number	Default Channel Name	Output Direction	Description
0	console	console	Console that can receive logs, traps, and debugging messages.
1	monitor	monitor	VTY terminal that can receive logs, traps, and debugging messages, which facilitates remote maintenance.
2	loghost	loghost	Log host that can receive. By default, information is saved on the log host in file format for easy reference.
3	trapbuffer	trapbuffer	Trap buffer that can receive traps.
4	logbuffer	logbuffer	Log buffer that can receive logs.
5	snmpagent	snmpagent	SNMP agent that can receive traps.
6	channel6	Unspecified	Reserved. You can specify to which destination this channel can output information.
7	channel7	Unspecified	Reserved. You can specify to which destination this channel can output information.
8	channel8	Unspecified	Reserved. You can specify to which destination this channel can output information.
9	channel9	Unspecified	Reserved. You can specify to which destination this channel can output information.

Views

All views

Default Level

3: Management level

Usage Guidelines

The display channel command displays the channel configuration.

When using this command, note the following points:

When channel-number or channel-name is specified, the display channel command displays the specified channel that information passes through and information severity.
When channel-number or channel-name is not specified, the display channel command displays all the channels that information passes through and information severity.

Example

# Display the configuration of channel 0.

<HUAWEI> display channel 0
channel number:0, channel name:console                                          
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      warning       Y      debugging     Y      debugging

# Display the configuration of all channels.

<HUAWEI> display channel
channel number:0, channel name:console                                          
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      warning       Y      debugging     Y      debugging    
                                                                                
channel number:1, channel name:monitor                                          
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      warning       Y      debugging     Y      debugging    
                                                                                
channel number:2, channel name:loghost                                          
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      informational Y      debugging     N      debugging    
                                                                                
channel number:3, channel name:trapbuffer                                       
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  N      informational Y      debugging     N      debugging    
                                                                                
channel number:4, channel name:logbuffer                                        
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      warning       N      debugging     N      debugging    
                                                                                
channel number:5, channel name:snmpagent                                        
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  N      debugging     Y      debugging     N      debugging    
                                                                                
channel number:6, channel name:channel6                                         
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      debugging     Y      debugging     N      debugging    
                                                                                
channel number:7, channel name:channel7                                         
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      debugging     Y      debugging     N      debugging    
                                                                                
channel number:8, channel name:channel8                                         
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      debugging     Y      debugging     N      debugging    
                                                                                
channel number:9, channel name:channel9                                         
MODU_ID  NAME     ENABLE LOG_LEVEL     ENABLE TRAP_LEVEL    ENABLE DEBUG_LEVEL  
ffff0000 default  Y      debugging     Y      debugging     N      debugging

**Table 2** Description of the display channel command output
Item	Description
channel number	Channel number, which ranges from 0 to 9.
channel name	Channel name. Table 1 lists default channel names. To set the channel name, run the info-center channel name command.
MODU_ID	Module ID. The default value is ffff0000.
NAME	Module name. The default value is default. To set the module name, run the info-center source channel command.
ENABLE	Whether logs/traps/debugging messages are allowed to pass through a channel: Y N To specify the channel, run the info-center source channel command.
LOG_LEVEL/TRAP_LEVEL/DEBUG_LEVEL	Lowest severity of output logs/traps/debugging messages. The following severities are listed in descending order of priority: emergencies alert critical error warning notification informational debugging To set the lowest severity of output logs, run the info-center source channel command.