Basic Configurations
Page 98 7210 SAS D, E, K OS Quality of Service Guide
Basic Configurations
To apply port level rate-limiting, perform the following:
• The egress-rate command is present in the *A:Dut-1>config>port>ethernet context.
• The egress-rate configures the maximum rate (in kbps) for the port. The value should be
between 1 and 1000000 kbps and between 1 and 10000000 kbps for 10G port.
• For 7210 SAS-E devices, the max-burst command configures a maximum-burst (in kilo-
bits) associated with the egress-rate. This is optional parameter and if not defined then, by
default, it is set to 32kb for a 1G port and 64kb for a 10G port. User cannot configure
max-burst without configuring egress-rate. The value should be between 32 and 16384 or
default. 7210 SAS-D devices do not support 10G port.
• By default there is no egress-rate command set on port. By default egress-rate for a port is
maximum (equal to line-rate).
• On 10G port, if Egress port Rate Limiter (ERL) configured is more than 8Gig it is
recommended to configure burst value higher than 80kbits to avoid packet drops.
The following displays the egress-rate configuration for a port:
*A:Dut-1>config>port# info
----------------------------------------------
ethernet
egress-rate 120000 max-burst 234
exit
no shutdown
----------------------------------------------
*A:Dut-1>config>port#
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