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3com S7906E Guide De Référence

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6-1 
6  
QoS Configuration Commands in an EPON System 
QoS Configuration Commands at the OLT Side 
bandwidth downstream 
Syntax 
bandwidth downstream { max-bandwidth value | max-burstsize value } * 
undo bandwidth downstream { max-bandwidth | max-burstsize } * 
View 
ONU port view 
Default Level 
2: System level 
Parameters 
max-bandwidth value: Specifies the maximum bandwidth in kbps. The value argument ranges from 0 
to 999994. The system default is 999994 kbps.  
max-burstsize value: Specifies the maximum burst buffer size in bytes. The value argument ranges 
from 0 to 8388480. The system default is 8388480 bytes. 
Description 
Use the bandwidth downstream command to configure the downlink bandwidth limit.  
Use the undo bandwidth downstream command to restore the default.  
Related commands: bandwidth downstream policy enable.  
 
  
z 
This command takes effect only when the downlink bandwidth allocation policy is enabled.   
z 
The configured downlink bandwidth limit takes effect only on known unicasts, but not on unknown 
unicasts, multicasts, or broadcasts. 
 
Examples 
# Set the downstream bandwidth limit to 800000 kbps and maximum burst size to 8000000 bytes on 
ONU 2/0/1:1.  
<Sysname> system-view 
[Sysname] interface onu 2/0/1:1 
[Sysname-Onu2/0/1:1] bandwidth downstream max-bandwidth 800000 max-burstsize 8000000