Re: Regarding Queue Management

Linux Advanced Routing and Traffic Control

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ANKUR SHETH wrote:
Hello all,

Can you anybody let me know how can I manage the buffer size using
Linux tc utility, as I tried to understand Linux tc but was not able
to figure out the way for managing the buffer size for each queue
configured for each port of the switch.

I read somewhere that txqueuelen can be used for reducing the size of
the queue for each port which is 1000 by default, but could not verify
it.

I am able to shape the traffic as per the bandwidth requirements by
using minimum and maximum rates using tc linux and htb, but I am not
able to figure out the way for buffer size.

You can add bfifo or pfifo to your htb class(es) and set the size in bytes/packets.

man tc-bfifo

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