ignoring previous message. sorry... So, it is NOT possible to decreasing the CPU usage of the massive UDP handling in the linux kernel ? any comments would be nice to me. thanks in advance. Cheers. > msn wrote: >> Hi, I'm trying to dropping all UDP packets from specific address but >> it still has higher CPU usages. anyone has ideas for this >> issues ? here's example >> >> A --+---> F >> B --+ >> C --+ >> >> A/B/C sending massive UDP packets to F, also it has address dropping >> rules fro A/B/C. Yes, it is works fine. But if i see the CPU usages of >> 'F' some of cases it is using more than 20-30% when its(A/B/C) sending >> 100M to F. is there any best way to decreasing the CPU usage of the >> 'F' ? thanks in advance. >> >> Cheers. >> >> P.S : >> 1. INPUT filter dropping very higher CPU usages >> 2. TARPIT and prestate PREROUTING dropping less higher but not >> satisfied. >> >> > > TARPITTING does not work on UDP, it's for TCP only. Just DROP in the raw > table. > > HTH, > M4 - To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
