new 5.1 install network problem.
clabrown at granitepost.com
Mon Dec 22 09:47:19 PST 2003
Thanks for the Reply:
No, I hadn't checked, but the autosensing looks good.
Both the card and switch are at 100 and full-duplex.
Thanks again, Cla.
----- Original Message -----
From: "Mike Gruen" <magruen at comcast.net>
To: "Clarence Brown" <clabrown at granitepost.com>
Cc: <freebsd-questions at freebsd.org>
Sent: Monday, December 22, 2003 12:35 PM
Subject: Re: new 5.1 install network problem.
> Clarence Brown wrote:
> > Thanks for the Reply:
> > I believe that the DNS timeout is a symptom rather than cause
> > of the problem, because I'm getting an 80% packet loss when
> > pinging the IP address of the DNS server. I'm running the DNS
> > servers, and they are on the same LAN.
> I've seen this type of response when there is a mismatch of autosensing
> network adapters. Try forcing your network card to whatever speed and
> duplex setting you prefer to run at and make sure that the switch port
> your connected to is set the same. The machine you're configuring is at
> full-duplex, but the switch may be at half duplex.
> > resolv.conf is same on this machine as on other machines that
> > do work.
> > The LAN does have DHCP, but I assigned this FreeBSD
> > machine a static IP at an unused address in a range of addresses
> > that I have reserved for servers.
> > in rc.conf (the ip addresses are the values I expect):
> > defaultrouter="###.###.###.###"
> > hostname="fbsd04.fakeDOMAINname.com"
> > ifconfig_xl0="inet ###.###.###.### netmask ###.###.###.###"
> > in hosts, I had to add the correct domain to localhost, and add
> > entries for the machine's own name, but this didn't seem to help.
> > With further testing, still getting 60%-80% packet loss when trying
> > to ping IP address of other machines on network from problem
> > machine, but some DO get through. Other machines are getting
> > similar results when trying to ping the IP address of the problem
> > Thanks again, Cla.
> > ----- Original Message -----
> > From: "fbsd_user" <fbsd_user at a1poweruser.com>
> > To: "Clarence Brown" <clabrown at granitepost.com>;
> > <freebsd-questions at freebsd.org>
> > Sent: Monday, December 22, 2003 11:07 AM
> > Subject: RE: new 5.1 install network problem.
> >>You are correct, sure sounds like DNS time out problem.
> >>Do you have hostname='gateway.fakeDOMAINname.com' in rc.conf
> >>Do you have entry in /etc/hosts file for ip address of Nic card and
> >>it's FQDN IE: 'gateway.fakeDOMAINname.com'
> >>If this PC is connected to lan, does the lan use DHCP, and if so do
> >>you have ifconfig_xl0="DHCP" in rc.conf?
> >>Check /etc/resolv.conf to see that it has the IP address of your ISP
> >>DNS severs.
> >>-----Original Message-----
> >>From: owner-freebsd-questions at freebsd.org
> >>[mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Clarence
> >>Sent: Monday, December 22, 2003 10:16 AM
> >>To: freebsd-questions at freebsd.org
> >>Subject: new 5.1 install network problem.
> >>Please help me troubleshoot a network problem. In the past,
> >>after installing, it has all just worked, so I'm not sure exactly
> >>how to best proceed. When the PC was formatted as Win98
> >>the network connection worked fine, and the cabling is on
> >>my work bench and works fine on other test systems, so I don't
> >>suspect a hardware problem.
> >>I just installed 5.1 from the CD's on to an IBM Aptiva E96.
> >>It has a 3Com 3C905B-TXNM card, which seems to have
> >>been correctly identified. On Boot things seem to proceed
> >>normally until the Sendmail message where the boot seems to
> >>stop for several minutes. (I thought I selected to not enable
> >>sendmail .... )
> >>Name resolution is not working and the network connection
> >>seems to be timing out a lot as all network functions are
> >>very sluggish. For instance, I CAN ping the IP of my
> >>name server, however even though the response is less
> >>than 1ms, there is about 80% packet loss.
> >>nslookup can't connect to the name server, even using IP,
> >>and again I suspect that it is timing out.
> >>Was able to connect to my FTP server using its IP to try to
> >>transfer some files, for this email, but the connection timed out
> >>nd was reset when trying to cd to the "input" directory.
> >>Here are what I think are the relevant lines from my messages
> >>log where the card is found on boot:
> >>Dec 22 09:16:27 fbsd04 kernel: xl0: <3Com 3c905B-TX Fast Etherlink
> >>XL> port
> >>0x7080-0x70ff mem 0x80100000-0x8010007f irq 10 at device 13.0 on
> >>Dec 22 09:16:27 fbsd04 kernel: xl0: Ethernet address:
> >>Dec 22 09:16:27 fbsd04 kernel: miibus0: <MII bus> on xl0
> >>Dec 22 09:16:27 fbsd04 kernel: xlphy0: <3Com internal media
> >>interface> on
> >>Dec 22 09:16:27 fbsd04 kernel: xlphy0: 10baseT, 10baseT-FDX,
> >>100baseTX-FDX, auto
> >>Here is output from ifconfig with the IPs obscured, but the IP looks
> >>good to
> >>xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> >> options=3<RXCSUM,TXCSUM>
> >> inet ###.###.###.### netmask 0xXXXXXXXX broadcast
> >> inet6 fe80::210:5aff:fea0:ce0b%xl0 prefixlen 64 scopeid 0x1
> >> ether 00:10:5a:a0:ce:0b
> >> media: Ethernet autoselect (100baseTX <full-duplex>)
> >> status: active
> >>lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
> >>lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> >> inet6 ::1 prefixlen 128
> >> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
> >> inet 127.0.0.1 netmask 0xff000000
> >>Any ideas/suggestions?
> >>Thanks, Cla.
More information about the freebsd-questions