Date: Mon, 22 Dec 2003 12:46:34 -0500 From: "Clarence Brown" <clabrown@granitepost.com> To: <freebsd-questions@freebsd.org> Subject: Re: new 5.1 install network problem. Message-ID: <004401c3c8b3$8c828110$906896d1@SAGER> References: <MIEPLLIBMLEEABPDBIEGIEIHFBAA.fbsd_user@a1poweruser.com> <003f01c3c8af$895050c0$906896d1@SAGER> <3FE72B5C.3050309@comcast.net>
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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@comcast.net> To: "Clarence Brown" <clabrown@granitepost.com> Cc: <freebsd-questions@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 machine. > > > > Thanks again, Cla. > > > > ----- Original Message ----- > > From: "fbsd_user" <fbsd_user@a1poweruser.com> > > To: "Clarence Brown" <clabrown@granitepost.com>; > > <freebsd-questions@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@freebsd.org > >>[mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Clarence > >>Brown > >>Sent: Monday, December 22, 2003 10:16 AM > >>To: freebsd-questions@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 > >>pci0 > >>Dec 22 09:16:27 fbsd04 kernel: xl0: Ethernet address: > >>00:10:5a:a0:ce:0b > >>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 > >>miibus0 > >>Dec 22 09:16:27 fbsd04 kernel: xlphy0: 10baseT, 10baseT-FDX, > >>100baseTX, > >>100baseTX-FDX, auto > >> > >>Here is output from ifconfig with the IPs obscured, but the IP looks > >>good to > >>me: > >> > >>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. > >> > >
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