Did you upgrade to 4.9 Did you run an earlier version with this router with this same configuration? Have you tried regressing to an earlier version?
Did you post this issue to the MT forum? Greg On May 27, 2010, at 1:19 AM, Kevin Sullivan wrote: > 4.9 > ----- Original Message ----- > From: "Josh Luthman" <j...@imaginenetworksllc.com> > To: "WISPA General List" <wireless@wispa.org> > Sent: Wednesday, May 26, 2010 12:18 PM > Subject: Re: [WISPA] Mikrotik routing/queing problem > > > Also what firmware (sys routerboar pr)? > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > “Success is not final, failure is not fatal: it is the courage to continue > that counts.” > --- Winston Churchill > > > On Wed, May 26, 2010 at 3:15 PM, Greg Ihnen <os10ru...@gmail.com> wrote: > >> What version of RouterOS are you running? >> >> Greg >> >> On May 26, 2010, at 12:46 PM, Kevin Sullivan wrote: >> >>> I think I have found a legitimate bug. I'm running an RB1000 that >>> we put in service about 2 weeks ago (it replaced another RB1000 that was >>> having similar problems). Here is what is going on: >>> >>> Linux router "A" <---------> [ether1] RB1000 [ether3] <-----------> >> Linux router "B" >>> >>> >>> The RB1000 above is connected to the two hosts shown. >>> Each link A < > RB1000 < > B has latency ~1ms. We are not using any >>> Mikrotik wireless. >>> >>> A and B both know that they can reach each other through the RB1000 >> (thanks >>> to OSPF). >>> >>> A and B are Linux routers. When I ping B from A (traffic going through >> the >>> RB1000), I get no response. When I log into B and tcpdump traffic, I >>> can >>> see icmp echo request packets coming in from A, and echo reply packets >> going >>> out to A. Fine. I then log into the RB1000 and packet sniff ether1 and >>> ether3. >>> >>> ether1 packet sniff shows icmp request packets coming in. ether3 shows >> icmp >>> request packets going out, and icmp reply packets coming in. However, >> the >>> replies are not going out ether1. >>> >>> BUT.... after several minutes, A starts seeing replies. >>> >>> 64 bytes from x.x.x.x: icmp_seq=1049 ttl=63 time=671216 ms >>> 64 bytes from x.x.x.x: icmp_seq=1095 ttl=63 time=628217 ms >>> 64 bytes from x.x.x.x: icmp_seq=1142 ttl=63 time=584217 ms >>> 64 bytes from x.x.x.x: icmp_seq=1188 ttl=63 time=541218 ms >>> 64 bytes from x.x.x.x: icmp_seq=1235 ttl=63 time=497234 ms >>> >>> the RB1000 has been queuing my ICMP packets for ~500 seconds!! >>> >>> I STOP pinging from A and packet sniff ether1 on the RB1000 again. It >>> is >>> STILL sending out queued ICMP replies from A, even though I am >>> not sending requests anymore. >>> >>> Several minutes after I stop pinging from A, the RB1000 stops sending >>> replies on ether1. >>> >>> Clients have been complaining for months about slow speeds passing >> traffic >>> through this router. I've also noticed high CPU utilization, even when >>> normal CPU hungry tasks were turned off (one mangle rule, no queues, no >>> proxy, no DNS, etc). During the day, we see 70-80% CPU utilization. >> The >>> previous router (same config) went to 100% utilization, which is why we >>> replaced it. >>> >>> Regards, >>> >>> Kevin >>> >>> >>> >>> >>> >>> >>> >>> >> -------------------------------------------------------------------------------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> >> -------------------------------------------------------------------------------- >>> >>> WISPA Wireless List: wireless@wispa.org >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
