On Wed, May 05, 2004 at 12:42:48PM +0200, Pawel Jakub Dawidek wrote: +> Hi. +> +> I've problems with em(4) and IPSEC/FAST_IPSEC and TCP_STREAM netperf test. +> While running netperf tests between two FreeBSD machines directly connected +> em0 goes down once every few minutes and I've no idea why. +> Without IPSEC everything works just fine, with IPSEC/FAST_IPSEC it also +> works fine but for other tests (UDP_STREAM, TCP_RR, UDP_RR). +> +> client# ifconfig em0 +> em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 +> options=3<RXCSUM,TXCSUM> +> inet 192.168.50.2 netmask 0xffff0000 broadcast 192.168.255.255 +> ether 00:04:23:88:63:10 +> media: Ethernet autoselect (1000baseTX <full-duplex>) +> status: active +> client# netstat -in +> Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll +> em0 0 <Link#1> 00:04:23:88:63:10 0 4852203 0 0 342995372 +> em0 0 192.168.0/16 192.168.50.2 8166424 - 4852201 - - +> +> server# ifconfig em0 +> em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 +> options=3<RXCSUM,TXCSUM> +> inet 192.168.0.1 netmask 0xffff0000 broadcast 192.168.255.255 +> ether 00:0c:76:20:b9:bb +> media: Ethernet autoselect (1000baseTX <full-duplex>) +> status: active +> server# netstat -in +> Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll +> em0 0 <Link#1> 00:0c:76:20:b9:bb 0 2722131 0 0 2880618854 +> em0 0 192.168.0/16 192.168.0.1 14556076 - 2722142 - - +> +> Any ideas? This could be also helpful: client# sysctl hw.em0.stats=1 hw.em0.stats: -1em0: Excessive collisions = 0 em0: Symbol errors = 0 em0: Sequence errors = 0 em0: Defer count = 0 em0: Missed Packets = 0 em0: Receive No Buffers = 0 em0: Receive length errors = 0 em0: Receive errors = 0 em0: Crc errors = 0 em0: Alignment errors = 0 em0: Carrier extension errors = 0 em0: XON Rcvd = 0 em0: XON Xmtd = 0 em0: XOFF Rcvd = 0 em0: XOFF Xmtd = 0 em0: Good Packets Rcvd = 4852197 em0: Good Packets Xmtd = 2722144 -> -1 server# sysctl hw.em0.stats=1 hw.em0.stats: -1em0: Excessive collisions = 0 em0: Symbol errors = 0 em0: Sequence errors = 0 em0: Defer count = 0 em0: Missed Packets = 0 em0: Receive No Buffers = 0 em0: Receive length errors = 0 em0: Receive errors = 0 em0: Crc errors = 0 em0: Alignment errors = 0 em0: Carrier extension errors = 0 em0: XON Rcvd = 0 em0: XON Xmtd = 0 em0: XOFF Rcvd = 0 em0: XOFF Xmtd = 0 em0: Good Packets Rcvd = 2722143 em0: Good Packets Xmtd = 4852203 -> -1 -- Pawel Jakub Dawidek http://www.FreeBSD.org pjd_at_FreeBSD.org http://garage.freebsd.pl FreeBSD committer Am I Evil? Yes, I Am!
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