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
[EMAIL PROTECTED]                           http://garage.freebsd.pl
FreeBSD committer                         Am I Evil? Yes, I Am!

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