[zeromq-dev] TOS/DSCP code produces error for epgm

Rohan Bedarkar r_bedarkar at yahoo.com
Thu Oct 11 16:46:53 CEST 2012

Created issue LIBZMQ-446.



Rohan Bedarkar
MS, Computer Science 

University of Chicago
rohanb at cs.uchicago.edu


 From: Steven McCoy <steven.mccoy at miru.hk>
To: ZeroMQ development list <zeromq-dev at lists.zeromq.org> 
Sent: Wednesday, October 10, 2012 5:56 PM
Subject: Re: [zeromq-dev] TOS/DSCP code produces error for epgm

On 10 October 2012 18:50, Steven McCoy <steven.mccoy at miru.hk> wrote:

On 10 October 2012 17:17, RohanB <rohanb at cs.uchicago.edu> wrote:
>If I comment out this code, it works fine but if I don't I get this error which
>>is identical to if I simply switch from epgm to pgm. Thoughts?
>>Warn: ToS/DSCP setting requires CAP_NET_ADMIN or ADMIN capability.
>>Invalid argument (session_base.cpp:478)
>Well the choice is not setting the DSCP bits by default and exporting via 0mq socket options, ignoring the return value, or propagating the PGM socket warning.

Can you log a case for it?  My first choice will be to not set the bits in the first place, it is not as if real QoS routing is that widespread. 

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