Re: [asio-users] Cannot assign requested address

[Andrew A. <and...@it...>]

On Mon, Jun 25, 2007 at 08:49:09PM +0200, Ruediger Berlich wrote:
> simultaneously. When I do this, after about 30000 - 50000 processed vectors
> (about 1 minute, 30 seconds), all clients terminate at once with the
> message "Cannot assign requested address" . The server keeps running.

You're running out of local ports.  This can happen easily when running
all clients on the same box, since this is bounded by your local port
range:

% cat /proc/sys/net/ipv4/ip_local_port_range
32768   61000

You can use multiple boxes for the clients or look into setting
tcp_tw_reuse.

Andrew.