Subject: Strange Trouble with the network on NetBSD 1.6.2 STABLE
To: None <netbsd-users@netbsd.org>
From: MAHE, Franck <fmahe@jemspartners.com>
List: netbsd-users
Date: 02/27/2006 18:01:26
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Hello,
=20
It is a strange problem I got a few days ago after a reboot of my box.
=20
Here is the result of some troubleshooting tasks:
=20
1- After a reboot, the system is not up on the network (Not at =
all,
because the other systems see the MAC Address of this box after a ping =
but
without reply)
2- On the NetBSD system, ifconfig & netstat are OK (With a little =
alias
on it), but unable to ping other system, but the MAC Address of other =
systems
are OK.
3- Launch of tcpdump on the affected NIC, and surprise, the =
network is
UP & Running
=20
So, it's very strange because the network is running when the interface =
is in
Promiscuous mode.
=20
My Kernel is NetBSD 1.6.2_STABLE (MYKERNEL) #0: Sat Jan 1 21:19:41 CET =
2005
(No trouble before the last reboot)
Ipfilter is not activated on this host.
=20
My NIC is a:
rtk0 at pci1 dev 6 function 0: RealTek 8139 10/100BaseTX
rtk0: interrupting at irq 15
rtk0: Ethernet address 00:30:1b:ad:aa:40
ukphy0 at rtk0 phy 7: Generic IEEE 802.3u media interface
ukphy0: OUI 0x000000, model 0x0000, rev. 0
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
=20
on MainBoard (Intel 82801BA Hub-to-PCI Bridge)
=20
Do you have a clue for me? Next step is to put a PCI 3COM NIC to see if =
the
problem persists.
=20
Strange isn't it, because the IP Layer seems to work fine.
=20
Thanks for your help.
=20
Regards
=20
Franck
=20
=20
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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt'>Hello,</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>It is a strange problem I got a few days ago after a reboot of =
my box.</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>Here is the result of some troubleshooting =
tasks:</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal =
style=3D'margin-left:36.0pt;text-indent:-18.0pt'><font size=3D2
face=3DArial><span lang=3DEN-GB style=3D'font-size:10.0pt'>1-<font =
size=3D1
face=3D"Times New Roman"><span style=3D'font:7.0pt "Times New =
Roman"'>
</span></font></span></font><span lang=3DEN-GB>After a reboot, the =
system is not
up on the network (Not at all, because the other systems see the MAC =
Address of
this box after a ping but without reply)</span></p>
<p class=3DMsoNormal =
style=3D'margin-left:36.0pt;text-indent:-18.0pt'><font size=3D2
face=3DArial><span lang=3DEN-GB style=3D'font-size:10.0pt'>2-<font =
size=3D1
face=3D"Times New Roman"><span style=3D'font:7.0pt "Times New =
Roman"'>
</span></font></span></font><span lang=3DEN-GB>On the NetBSD system, =
ifconfig &
netstat are OK (With a little alias on it), but unable to ping other =
system,
but the MAC Address of other systems are OK.</span></p>
<p class=3DMsoNormal =
style=3D'margin-left:36.0pt;text-indent:-18.0pt'><font size=3D2
face=3DArial><span lang=3DEN-GB style=3D'font-size:10.0pt'>3-<font =
size=3D1
face=3D"Times New Roman"><span style=3D'font:7.0pt "Times New =
Roman"'>
</span></font></span></font><span lang=3DEN-GB>Launch of tcpdump on the =
affected
NIC, and surprise, the network is UP & Running</span></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>So, it’s very strange because the network is running when =
the
interface is in Promiscuous mode.</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>My Kernel is NetBSD 1.6.2_STABLE (MYKERNEL) #0: Sat Jan 1 =
</span></font><span lang=3DEN-GB>21:19:41</span><span lang=3DEN-GB> CET =
2005 (No trouble before the last
reboot)</span></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>Ipfilter is not activated on this host.</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>My NIC is a:</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>rtk0 at pci1 dev 6 function 0: RealTek 8139 =
10/100BaseTX</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>rtk0: interrupting at irq 15</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>rtk0: Ethernet address </span></font><span =
lang=3DEN-GB>00:30</span><span
lang=3DEN-GB>:1b:ad:aa:40</span></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>ukphy0 at rtk0 phy 7: Generic IEEE 802.3u media =
interface</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>ukphy0: OUI 0x000000, model 0x0000, rev. 0</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, =
auto</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>on MainBoard (Intel 82801BA </span></font><span =
lang=3DEN-GB>Hub-to-PCI</span><span
lang=3DEN-GB> </span><span lang=3DEN-GB>Bridge</span><span =
lang=3DEN-GB>)</span></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>Do you have a clue for me? Next step is to put a PCI 3COM NIC to =
see if
the problem persists.</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>Strange isn’t it, because the IP Layer seems to work =
fine.</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>Thanks for your help.</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>Regards</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt'>Franck</span></font></p>
<p class=3DMsoAutoSig><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt'> </span></font></p>
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