[zeromq-dev] does 0mq keep-alive for connections?

Martin Sustrik sustrik at 250bpm.com
Sun Jan 22 02:06:47 CET 2012

Hi Sergey,

> I have a ZMQ_PUB server (FreeBSD) and many (~300) ZMQ_SUB clients
> (FreeBSD and Linux). Sometimes I see a wierd problem on some Linux
> clients. netstat -a on server shows no connection with a client, but on
> the client netstat -a shows an established connection:

Strange. That should not happen unless the network is disconnected or 
similar. Sounds more link an OS problem than 0MQ problem to me.


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