Dear David I increased the hold on Queue to size 3500 but the input error and input queue drops are there . May be the frequency of increasing is reduced but it is still there.
> From: [email protected] > To: [email protected]; [email protected] > CC: [email protected] > Subject: RE: [c-nsp] Input errors, overrun & unknown protocols drops on LAN > interface > Date: Tue, 13 Sep 2011 09:40:49 -0400 > > To minimize the input drops you can increase the hold-queue. Another issue > to look at is the buffers as well, most likely have misses and failures > there. The flushes are caused by SPD, which are control plane packets that > need to make it to the processor so they are put ahead of everything else in > the input queue. > > David, a different one. > > -- > http://dcp.dcptech.com > > > > -----Original Message----- > > From: [email protected] [mailto:cisco-nsp- > > [email protected]] On Behalf Of Farooq Razzaque > > Sent: Tuesday, September 13, 2011 9:18 AM > > To: [email protected] > > Cc: [email protected] > > Subject: Re: [c-nsp] Input errors, overrun & unknown protocols drops on > > LAN interface > > > > > > Dear David > > > > How can we resolve this then > > > > > > > > > > > > > > > > > > > > > Subject: Re: [c-nsp] Input errors, overrun & unknown protocols drops > > on LAN interface > > > From: [email protected] > > > Date: Tue, 13 Sep 2011 14:04:57 +0100 > > > CC: [email protected]; [email protected] > > > To: [email protected] > > > > > > Input drops are usually caused by the input queue filling up and then > > tail drops occurring because there is no more space for new packets in > > the queue. > > > > > > I've seen this happen where you have an upstream device trying to > > send packets faster than the downstream device can process them. > > > > > > > > > On 13 Sep 2011, at 13:54, Farooq Razzaque wrote: > > > > > > > > > > > Dear Nick > > > > > > > > Thanks for your reply. > > > > > > > > What does input error means ? > > > > > > > > I am also having the drops in Input queue > > > > > > > > > > > > > > > > Input queue: 0/75/3267688/769 (size/max/drops/flushes); Total > > output drops: 0 > > > > > > > > > > > > > > > > > > > > > > > > > > > >> Date: Tue, 13 Sep 2011 12:18:05 +0100 > > > >> From: [email protected] > > > >> To: [email protected] > > > >> CC: [email protected] > > > >> Subject: Re: [c-nsp] Input errors, overrun & unknown protocols > > drops on LAN interface > > > >> > > > >> On 13/09/2011 10:13, Farooq Razzaque wrote: > > > >>> I am facing the input errors, overrun & unknown protocols drops > > on LAN > > > >>> interface-Gi0/0 (having sub-interface) on MPLS router. > > > >> > > > >> port overruns mean that your router is receiving data faster than > > it can > > > >> handle. You either need a faster router than a 3800 series or else > > larger > > > >> input buffers. > > > >> > > > >> Unknown protocols means that your switch is sending data that the > > router > > > >> doesn't understand. Maybe LLDP or something? Or some other odd LAN > > protocol? > > > >> > > > >> Nick > > > > > > > > _______________________________________________ > > > > cisco-nsp mailing list [email protected] > > > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > > > > > _______________________________________________ > > cisco-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
