Configuring Rate Limiting on the N-Series DFE

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Article ID: 7345 

Products
Matrix N-Series DFE, firmware 6.12.08.0003 and lower 

Goals
Configure rate limiting.
Sample configuration. 

Symptoms
'set port ratelimit' 

Solution
As described in the Matrix DFE Configuration Guide, the ratelimit command has the format:

set port ratelimit {disable | enable} | <port-string> <priority>
<threshold> {disable | enable} [inbound | outbound] [<index>]

The 'threshold' is stated in kilobytes per second, within the range of 125 through the maximum rate for the port. 

Here is an example of a one-port rate limit of 30 Megabits per second (30 million bits per second divided by 8 thousand bits per second = 3750), applied bi-directionally to all traffic priorities:

DFE(rw)->set port ratelimit enable
DFE(rw)->set port ratelimit fe.1.1 0-7 3750 enable

Note that Inbound and Outbound rate limiting is more typically applied using the cos/policy commands, by means of NetSight Policy Manager. 

See also: 13816.
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Posted 5 years ago

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