If anyone read this solution and wondered like I did about backwards compatibility, the zmq FAQ goes into a bit more detail about it here:
http://www.zeromq.org/area:faq#toc6 It sounds like this shouldn't be an issue going forwards (i.e. backwards compatibility is an aim) Andy On 27 December 2012 18:19, Nishant Mittal <[email protected]> wrote: > upgrading the version to 3.2.2 fixed the issue. > > thanks to everyone for chiming in :) > > > On Thu, Dec 27, 2012 at 11:47 AM, Nishant Mittal <[email protected]> wrote: > >> Andy, taotetek on IRC suggested to try telnet.. and i confirmed telnet >> works in both directions.. so it couldnt be the firewall.. rt? >> >> pieterh thinks it could be the version mismatch on the 2 machines.. 1 has >> 3.2.0 and the other (my machine) has 3.2.2 >> >> I am going to upgrade the version and see if that fixes this. >> >> thanks >> >> >> On Thu, Dec 27, 2012 at 11:45 AM, Andy Ballingall TF < >> [email protected]> wrote: >> >>> ... and >>> >>> sudo service iptables start >>> >>> restarts the firewall again, I should add! >>> >>> On 27 December 2012 16:44, Andy Ballingall TF >>> <[email protected]> wrote: >>> > On 27 December 2012 16:16, Nishant Mittal <[email protected]> wrote: >>> >> they are on the same network.. i can check if Ubuntu firewalls are >>> playing a >>> >> role.. >>> > The easiest thing to do (if safe to do so) would be to temporarily >>> > switch off the firewall entirely. If it starts working, then that's >>> > the reason! If you're using iptables, try: >>> > >>> > sudo service iptables stop >>> > >>> > ...on both machines. If the problem persists, (and your firewall is >>> > iptables), then the problem is elsewhere. >>> > >>> > Andy >>> > >>> >> >>> >> >>> >> On Thu, Dec 27, 2012 at 11:13 AM, Andy Ballingall TF >>> >> <[email protected]> wrote: >>> >>> >>> >>> Could it be a firewall issue? >>> >>> >>> >>> On 27 December 2012 16:03, Nishant Mittal <[email protected]> wrote: >>> >>> > Apostolis, client knows how to resolve 'nishant' and the request is >>> >>> > actually >>> >>> > coming to the worker.. its the response thats not going back. >>> >>> > and i tried with IP as well, same result. >>> >>> > >>> >>> > thanks >>> >>> > >>> >>> > >>> >>> > >>> >>> > On Thu, Dec 27, 2012 at 10:36 AM, Apostolis Xekoukoulotakis >>> >>> > <[email protected]> wrote: >>> >>> >> >>> >>> >> How can the client know what "nishant" means? Put the ip address >>> >>> >> instead. >>> >>> >> >>> >>> >> 2012/12/26 Nishant Mittal <[email protected]> >>> >>> >>> >>> >>> >>> Hi All, >>> >>> >>> I have a zmq_proxy device with ROUTER and DEALER in the front >>> and back >>> >>> >>> (attached code broker.c) >>> >>> >>> router binds to tcp://*:5551 and dealer binds to tcp://*:6551 >>> >>> >>> the client connects to router with a REQ socket as >>> tcp://nishant:5551 >>> >>> >>> and >>> >>> >>> worker connects to dealer with a REP socket as tcp://nishant:6551 >>> >>> >>> where >>> >>> >>> nishant is the hostname of the machine.. >>> >>> >>> >>> >>> >>> the above works fine >>> >>> >>> >>> >>> >>> however, if I move the client to another machine.. the worker >>> sees the >>> >>> >>> request but the client doesn't get any response.. what am I doing >>> >>> >>> wrong? >>> >>> >>> >>> >>> >>> thanks in advance for your help. >>> >>> >>> >>> >>> >>> -- >>> >>> >>> Nishant Mittal >>> >>> >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> >>> >>> zeromq-dev mailing list >>> >>> >>> [email protected] >>> >>> >>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>> >>> >>> >>> >>> >> >>> >>> >> >>> >>> >> >>> >>> >> -- >>> >>> >> >>> >>> >> >>> >>> >> Sincerely yours, >>> >>> >> >>> >>> >> Apostolis Xekoukoulotakis >>> >>> >> >>> >>> >> >>> >>> >> _______________________________________________ >>> >>> >> zeromq-dev mailing list >>> >>> >> [email protected] >>> >>> >> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>> >>> >> >>> >>> > >>> >>> > >>> >>> > _______________________________________________ >>> >>> > zeromq-dev mailing list >>> >>> > [email protected] >>> >>> > http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>> >>> > >>> >>> >>> >>> >>> >>> >>> >>> -- >>> >>> Andy Ballingall >>> >>> Senior Software Engineer >>> >>> >>> >>> The Foundry >>> >>> 6th Floor, The Communications Building, >>> >>> 48, Leicester Square, >>> >>> London, WC2H 7LT, UK >>> >>> Tel: +44 (0)20 7968 6828 - Fax: +44 (0)20 7930 8906 >>> >>> Web: http://www.thefoundry.co.uk/ >>> >>> >>> >>> The Foundry Visionmongers Ltd. >>> >>> Registered in England and Wales No: 4642027 >>> >>> _______________________________________________ >>> >>> zeromq-dev mailing list >>> >>> [email protected] >>> >>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>> >> >>> >> >>> >> >>> >> >>> >> -- >>> >> Nishant Mittal >>> >> Director, Product Development >>> >> Rosenblatt Securities Inc. >>> >> 20 Broad Street >>> >> New York, NY 10005 >>> >> >>> >> Direct: 212-607-3159 >>> >> Mobile: 646-504-2629 >>> >> >>> >> _______________________________________________ >>> >> zeromq-dev mailing list >>> >> [email protected] >>> >> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>> >> >>> > >>> > >>> > >>> > -- >>> > Andy Ballingall >>> > Senior Software Engineer >>> > >>> > The Foundry >>> > 6th Floor, The Communications Building, >>> > 48, Leicester Square, >>> > London, WC2H 7LT, UK >>> > Tel: +44 (0)20 7968 6828 - Fax: +44 (0)20 7930 8906 >>> > Web: http://www.thefoundry.co.uk/ >>> > >>> > The Foundry Visionmongers Ltd. >>> > Registered in England and Wales No: 4642027 >>> >>> >>> >>> -- >>> Andy Ballingall >>> Senior Software Engineer >>> >>> The Foundry >>> 6th Floor, The Communications Building, >>> 48, Leicester Square, >>> London, WC2H 7LT, UK >>> Tel: +44 (0)20 7968 6828 - Fax: +44 (0)20 7930 8906 >>> Web: http://www.thefoundry.co.uk/ >>> >>> The Foundry Visionmongers Ltd. >>> Registered in England and Wales No: 4642027 >>> _______________________________________________ >>> zeromq-dev mailing list >>> [email protected] >>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>> >> >> >> >> -- >> *Nishant Mittal* >> Director, Product Development >> *Rosenblatt Securities Inc*. >> 20 Broad Street >> New York, NY 10005 >> >> Direct: 212-607-3159 >> Mobile: 646-504-2629 >> > > > > -- > *Nishant Mittal* > Director, Product Development > *Rosenblatt Securities Inc*. > 20 Broad Street > New York, NY 10005 > > Direct: 212-607-3159 > Mobile: 646-504-2629 > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > > -- Andy Ballingall Senior Software Engineer The Foundry 6th Floor, The Communications Building, 48, Leicester Square, London, WC2H 7LT, UK Tel: +44 (0)20 7968 6828 - Fax: +44 (0)20 7930 8906 Web: http://www.thefoundry.co.uk/ The Foundry Visionmongers Ltd. Registered in England and Wales No: 4642027
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