udp sockets and proxy servers

[Arran Cudbard-Bell]

> On Jul 20, 2015, at 1:15 PM, Sergey Komarov <sergey.komaroff at gmail.com> wrote:
> 
> Hello,
> 
> 
> I'm tring to run 3.0.9 configuration with about ~1500 clients and home
> servers (as I have about 1500 WLCs in the network and I try to proxy CoA
> packet to WLCs via radius).
> 
> Radius server tries to open as many sockets as possible doing like that:
> 
> Info:  ... adding new socket proxy address * port 46527
> Info:  ... adding new socket proxy address * port 38003
> 
> It happens slowly or fast and it depends of load as I see it... And then
> after about 256 sockets server quits from running with error:
> 
> "Error: Failed adding event handler for socket: Too many readers ".
> 
> Server stops after that. I checked under CentOS 6 and under FreeBSD. Its
> same effect and OS doesn't matter.
> 
> Does this means I need number of sockets equal to number of home servers
> and it is impossible to run FR with more than 256 home servers now or I
> missed something and FR able to reuse/limit udp sockets somehow?
> 
> In case someone could show me correct idea and how to solve my problem I
> will be glad to follow. Thank you in advance for your help!

Hmmm, well that's problematic.  Could you open a GitHub issue.

-Arran
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