Problems with SK and EM network cards/drivers on my system

[Maxim Tuliuk]

Yes, portfast is enabled, switchport mode trunk, spanning tree is enabled too.

On Thu, Sep 22, 2005 at 10:19 +1000, Dave+Seddon wrote:
> Greetings, 
> 
> There seems to be heaps of people on the list reporting errors with em 
> cards and FreeBSD 5.4 -stable-ish (as in cvsup-ed within the last couple of 
> months).  Are there many people running these ok?  Perhaps is not the 
> network card so much as some other element of the computer? 
> 
> Regarding the below issue- what about spanning tree?  Is portfast enabled? 
> 
> Regards,
> Dave 
> 
> 
> Maxim Tuliuk writes: 
> 
> >On Sun, Sep 18, 2005 at 14:15 -0400, Benjamin Rosenblum wrote:
> >...
> >>now the EM problem. 
> >>
> >>when i am running a very high network load (streaming video, dumping 
> >>ALOT of data across the network, etc) the network card disconnects (i 
> >>loose pings and all my transfers drop) and 15-20 seconds later it pops 
> >>up on the console with "em0: Link is up 1000 Mbps Full Duplex" and then 
> >>it starts working again.  again im at a dead wall and really want my 
> >>network to work properly so i can do what i need to do.
> >
> >Hello!
> >I've same problems on 5.4-STABLE:
> >/var/run/dmesg.boot:
> >FreeBSD 5.4-STABLE #5: Tue Sep 13 16:14:10 EEST 2005
> >em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port 
> >0xbc00-0xbc1f mem 0xff8e0000-0xff8fffff irq 18 at device 1.0 on pci1
> >em0: Ethernet address: 00:0c:f1:cf:7e:b6
> >em0:  Speed:N/A  Duplex:N/A 
> >
> >/etc/rc.conf:
> >ifconfig_em0="inet ... netmask ... media 100baseTX mediaopt full-duplex" 
> >
> >/var/log/messages:
> >Sep 20 15:51:40 tak kernel: em0: Link is up 100 Mbps Full Duplex
> >Sep 20 17:01:40 tak kernel: em0: Link is up 100 Mbps Full Duplex
> >Sep 20 18:48:16 tak kernel: em0: Link is up 100 Mbps Full Duplex 
> >
> >switch: Catalyst 3550
> >I changed ports: 100M to 1GB and back; changed cables, but...
> >no positive results :(
> >-- 
> >Maxim Tuliuk
> >WWW: http://primats.org.ua/~mt/
> >ICQ: 21134222 
> >
> >The bike is absolute freedom of moving
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> 
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-- 
Maxim Tuliuk, Network Engineer
ISP "TopNet": http://top.net.ua/
Phone: (+38044) 246 3669