From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vlad Yasevich Date: Wed, 20 Mar 2013 12:40:31 +0000 Subject: Re: [Lksctp-developers] ARP request being sent every 20 seconds or so Message-Id: <5149AE3F.50000@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sctp@vger.kernel.org On 03/20/2013 06:40 AM, upma gandhi wrote: > Hi Vlad, > I am using linux kernel 2.6.32 and wondering if the fix you are > referring is after that ? > I would like to know if MIB variable SCTP_MIB_OUTSCTPPACKS is picked > up by ICMP to figure out if neighbour is stale/unreachable/delay etc. > ? Can you pls. point me to variable which is being set by SCTp on > successful packet out and pickup by ARP to figure out if resolution is > required or not ? I am sorry for writing personal mail but I am in > need of solution faster. I just checked, and we don't appear to have this fix. Let me see if I can cook something up for you to test. -vlad > > Thanks > Upma > > On Tue, Mar 19, 2013 at 5:37 PM, Vlad Yasevich wrote: >> On 03/19/2013 05:03 AM, upma gandhi wrote: >>> Hello All, >>> I have one basic SCTP client and server ( having single network >>> connection) and client is continuously sending data to server every 1 >>> second. I am seeing that server is sending ARP request every 20 >>> seconds or so ( see below logs) for client IP address. If I use TCP >>> client/ server instead of SCTP, I see that ARP request is being sent >>> every 4 minute. Can somebody clarify why its happening or if my >>> observation is wrong ? >> >> There was an old bug that SCTP didn't update the route forward progress >> thus causing NUD to kick in even though reachability was configured >> through SCTP. I thought it was fixed a long time ago. Which kernel >> version are you using? >> >> -vlad >> >>> >>> Thanks >>> >>> ------------------------------------------------------------------------------ >>> Everyone hates slow websites. So do we. >>> Make your web apps faster with AppDynamics >>> Download AppDynamics Lite for free today: >>> http://p.sf.net/sfu/appdyn_d2d_mar >>> _______________________________________________ >>> Lksctp-developers mailing list >>> Lksctp-developers@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/lksctp-developers >>> >> >> >> ------------------------------------------------------------------------------ >> Everyone hates slow websites. So do we. >> Make your web apps faster with AppDynamics >> Download AppDynamics Lite for free today: >> http://p.sf.net/sfu/appdyn_d2d_mar >> _______________________________________________ >> Lksctp-developers mailing list >> Lksctp-developers@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/lksctp-developers