Take a look at the rl_set_dbg command: http://www.kamailio.org/docs/modules/1.5.x/ratelimit.html#id2506196 Enable debug mode and you will see in the logs what ratelimit is doing internally.
Regards, Ovidiu Sas -- VoIP Embedded, Inc. http://www.voipembedded.com On Fri, Dec 2, 2011 at 2:56 PM, Fabian Borot <fbo...@hotmail.com> wrote: > > Hello, > > I am trying to use the rate limit module using Kamailio 1.5.2. I feel that I > got it but I would > like some pointers and recommendations. > > These are my settings: (this is a lab of course), I used 1 on the > timer_interval because I am > generating the calls manually and wanted to see it in action quickly: > > > # ---- ratelimit ------- > modparam("ratelimit", "timer_interval", 1) > modparam("ratelimit", "reply_code", 506) > modparam("ratelimit", "reply_reason", "Rejecting due to high load") > modparam("ratelimit", "queue", "0:INVITE") > modparam("ratelimit", "pipe", "0:TAILDROP:1") > > > then in the route section: > > > if (method=="INVITE") { > xlog("L_INFO","mylog: RL found INVITE.\n"); > if (!rl_check()) { > xlog("L_INFO","mylog: RL dropped message.\n"); > rl_drop(); > exit; > }; > xlog("L_INFO","mylog: RL found INVITE but did not drop > it.\n"); > }; > > > The TAILDROP algorithm seems to work better than the RED, based on what I > expected of course (with 1 sec timer interval and 1 calls/sec on the pipe). > Making manual calls one right after the other almost always triggered the > protecting when there was another call on the same second. > > > But these lines (1.6.3. pipe) on the doc got me kind of confused: > > " When specifying a limit, the unit depends on the algorithm used and > doesn't need to be specified also (eg, for TAILDROP or RED, limit means > packets/sec, whereas with the FEEDBACK > algorithm, it means [CPU] load factor). > > For these 2 lines below, does this mean that the interval =10 will be > overridden by the 100 calls/sec on the TAILDROP algorithm? > > modparam("ratelimit", "timer_interval", 10) > modparam("ratelimit", "pipe", "0:TAILDROP:100") > > I made a quick test and with timer_interval = 10 and TAILDROP:1, it looks > like the protection kicks in almost every 10 secs: (Dec 2 19:44:07 and Dec > 2 19:43:57), > > tail -f proxy.log | grep RL > Dec 2 19:43:53 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:43:53 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:53 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:43:53 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:53 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:43:53 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:53 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:43:53 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:54 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:43:54 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:55 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:43:55 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:56 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:43:56 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:56 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:43:56 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:56 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:43:56 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:57 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:43:57 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:57 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:43:57 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL dropped message. > Dec 2 19:43:58 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:43:58 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:59 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:43:59 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:43:59 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:43:59 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:44:01 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:44:01 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:44:02 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:44:02 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:44:02 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:44:02 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:44:04 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:44:04 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:44:06 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:44:06 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:44:06 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:44:06 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:44:07 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE. > Dec 2 19:44:07 AW-ATL-PROXY-01 ./kamailio[17449]: mylog: RL found INVITE but > did not drop it. > Dec 2 19:44:07 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:44:07 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL dropped message. > Dec 2 19:44:10 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE. > Dec 2 19:44:10 AW-ATL-PROXY-01 ./kamailio[17450]: mylog: RL found INVITE but > did not drop it. > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
