DES-3000 Series Layer 2 Switch CLI Reference Manual 
 
show cos mapping 
Purpose  Used to show CoS mapping. 
Syntax 
show cos mapping {port <portlist> | all } 
Description  The show cos mapping displays information regarding CoS mapping enabled ports and their 
mapping method. 
Parameters 
portlist − Specified a range of ports to be displayed. If no parameter specified, all ports 
priority settings will be shown. 
Restrictions None. 
To display CoS mapping configuration: 
DES-3026:4#show cos mapping port 1-3 
Command: show cos mapping port 1-3 
 
  Port     Port priority       Ethernet_priority          IP_priority 
---------------------------------------------------------------------- 
1               off             802.1p                          off 
2               off             802.1p                          off 
3               off             802.1p                          off 
 
DES-3026:4# 
 
config dscp_mapping 
Purpose  To configure CoS mapping for DSCP (DiffServ) based priority.  
Syntax 
config dscp_mapping dscp_value <0 – 63> [class <class_id 0-3>] 
Description  This is used to map the 64-level DSCP priority to the 4-level class of service 
priority used in the Switch. 
Parameters  dscp_value <0 – 63> - The DSCP priority level being mapped. Each DSCP 
level must be configured separately to be mapped. 
class <class_id 0-3> - The class of service level being mapped to. 
Restrictions Only administrator-level users can issue this command. 
To configure CoS mapping for DSCP: 
DES-3026:4#config dscp_mapping dscp_value 1 class 0 
Command: config dscp_mapping dscp_value 1 class 0 
 
Success 
 
DES-3026:4# 
 
 
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