[rabbitmq-discuss] NC1/CS6 marking of RabbitMQ packets

Kapil Goyal goyalk at vmware.com
Fri Apr 25 18:28:56 BST 2014

Thanks Jeff.

Is there any RabbitMQ configuration that accepts socket-options? The description of 'tcp_listen_options' says it accepts options for sockets. Can this be utilized?


----- Original Message -----
From: "Jeffrey Ollie" <jeff at ocjtech.us>
To: "Discussions about RabbitMQ" <rabbitmq-discuss at lists.rabbitmq.com>
Sent: Friday, April 25, 2014 8:44:10 AM
Subject: Re: [rabbitmq-discuss] NC1/CS6 marking of RabbitMQ packets

On Thu, Apr 24, 2014 at 8:16 PM, Kapil Goyal <goyalk at vmware.com> wrote:
> We have an ask to mark all packets exchanged between RabbitMQ broker and
> client applications to be marked with NC1/CS6. Any suggestions on how this
> can be worked out?

If your hosts are using Linux you can set the DSCP markings using
iptables without modifying the source:


Otherwise it would involve modifying the code of the server and all of
the client libraries to set the IP_TOS option on all of the sockets
that are created.

Jeff Ollie
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