Date: Mon, 17 May 2010 10:32:03 -0700 From: Pyun YongHyeon <pyunyh@gmail.com> To: list@cykotix.com Cc: freebsd-net@freebsd.org Subject: Re: Packet Loss on FW1 but not FW2 (CARP + PF on FBSD8) Message-ID: <20100517173203.GA1413@michelle.cdnetworks.com> In-Reply-To: <20100514172725.1937468ajpjekhog@webmail.lahni.com> References: <20100514145612.14566x4tj40yhyos@webmail.lahni.com> <20100514192239.GC24686@michelle.cdnetworks.com> <20100514155638.21116k5xymc7cb8c@webmail.lahni.com> <20100514210342.GD24686@michelle.cdnetworks.com> <20100514172725.1937468ajpjekhog@webmail.lahni.com>
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On Fri, May 14, 2010 at 05:27:25PM -0400, list@cykotix.com wrote: > Quoting Pyun YongHyeon <pyunyh@gmail.com>: > >>>Show me the output of "sysctl dev.vr.0.stats=1" and "netstat -ndI vr0". > >> > >>soekris1# sysctl dev.vr.0.stats=1 > >>dev.vr.0.stats: -1 -> -1 > >> > > > >Please check the output of console. It would have printed some MAC > >counters maintained in driver. > > >>soekris1# netstat -ndI vr0 > >>Name Mtu Network Address Ipkts Ierrs Opkts > >>Oerrs Coll Drop > >>vr0 1500 <Link#1> 00:00:24:cc:cb:94 17491 0 14993 > >> 0 0 0 > >>vr0 1500 98.xxx.xxx.56 98.xxx.xxx.59 992 - 9374 > >> - - - > >> > > FW1: > vr0 statistics: > Outbound good frames : 14992 > Inbound good frames : 17486 > Outbound errors : 0 > Inbound errors : 0 > Inbound no buffers : 0 > Inbound no mbuf clusters: 0 > Inbound FIFO overflows : 0 > Inbound CRC errors : 0 > Inbound frame alignment errors : 0 > Inbound giant frames : 0 > Inbound runt frames : 0 > Outbound aborted with excessive collisions : 0 > Outbound collisions : 0 > Outbound late collisions : 0 > Outbound underrun : 0 > PCI bus errors : 0 > driver restarted due to Rx/Tx shutdown failure : 0 > I thought it could be a bug in vr(4) but it seems vr(4) had zero dropped packets. Let pf(4) log dropped packet with pflog(4) and see why pf(4) dropped packets. > > >No Ierrs, so MAC counters would be more helpful here. > > >>soekris2# sysctl dev.vr.0.stats=1 > >>dev.vr.0.stats: -1 -> -1 > >> > >>soekris2# netstat -ndI vr0 > >>Name Mtu Network Address Ipkts Ierrs Opkts > >>Oerrs Coll Drop > >>vr0 1500 <Link#1> 00:00:24:ca:40:60 575909 0 588703 > >> 0 0 0 > >>vr0 1500 98.xxx.xxx.56 98.xxx.xxx.60 10029 - 53106 > >> - - - > > FW2: > vr0 statistics: > Outbound good frames : 588054 > Inbound good frames : 575353 > Outbound errors : 0 > Inbound errors : 0 > Inbound no buffers : 0 > Inbound no mbuf clusters: 0 > Inbound FIFO overflows : 0 > Inbound CRC errors : 0 > Inbound frame alignment errors : 0 > Inbound giant frames : 0 > Inbound runt frames : 0 > Outbound aborted with excessive collisions : 0 > Outbound collisions : 0 > Outbound late collisions : 0 > Outbound underrun : 0 > PCI bus errors : 0 > driver restarted due to Rx/Tx shutdown failure : 0 > > Patrick
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