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    Keep loosing WAN IP Address - dhclient does not seem to do update

    Scheduled Pinned Locked Moved
    DHCP and DNS
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    • K
      Krakke
      last edited by

      @sullrich:

      @Krakke:

      1.0.1-SNAPSHOT-02-21-2007

      Uptime 3 days, 16:21

      Still running :)

      Great!  Please continue to let us know the progress.  We really think its nailed.

      Still working, updated to 1.0.1-SNAPSHOT-02-27-2007

      1 Reply Last reply Reply Quote 0
      • T
        ThomasF
        last edited by

        It seems to be working just fine now, thanks!

        1 Reply Last reply Reply Quote 0
        • F
          freax
          last edited by

          I've done a clean install with the latest official update from 08/03/2007 but my logs registeres the following rc.linkup message:

          Last 50 system log entries
          Mar 9 18:13:30 php: : Incorrect number of arguments passed rc.linkup…exiting.
          Mar 9 18:13:30 php: : Arguments passed rc.linkup. ''
          Mar 9 18:13:28 check_reload_status: rc.linkup starting
          Mar 9 18:13:23 php: : phpDynDNS: No Change In My IP Address and/or 25 Days Has Not Past. Not Updating Dynamic DNS Entry.

          It's normal ?

          []'s

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          • S
            sullrich
            last edited by

            Yes, those are debugging statements and looks fine.

            1 Reply Last reply Reply Quote 0
            • K
              Krakke
              last edited by

              1.0.1-SNAPSHOT-02-27-2007
              Uptime 7 days, 16:51

              Still running, updating to pfSense-Full-Update-1.0.1-SNAPSHOT-03-08-2007

              1 Reply Last reply Reply Quote 0
              • S
                sullrich
                last edited by

                @Krakke:

                1.0.1-SNAPSHOT-02-27-2007
                Uptime 7 days, 16:51

                Still running, updating to pfSense-Full-Update-1.0.1-SNAPSHOT-03-08-2007

                Great!  Thanks for the update.

                1 Reply Last reply Reply Quote 0
                • V
                  Veni
                  last edited by

                  Don't know if this is the same issue, but i noticed this yesterday.
                  Running 1.0.1-SNAPSHOT-03-18-2007 built on Thu Mar 8 22:14:44 EST 2007.

                  For some unknown reason, my pfSense box lost it's WAN dhcp ipaddress, but my
                  WatchGuard box connected to the same ISP outlet(i use a switch to get several ports)
                  did not have any problems recorded, and it to runs on a WAN dhcp. The WatchGuard box
                  uses something called udhcpc. I don't know if it's better, worse or the same as dhclient.

                  Pressing the Renew button in Status–>Interfaces had no problem of getting a ipaddress.
                  I pressed the button around 20:15.

                  Got this from the syslog(if was not at home when this happened):

                  | Mar 12 17:35:24 dhclient[261]: DHCPREQUEST on xl1 to 81.228.3.186 port 67                                                                                                                                    |
                  | Mar 12 17:41:13 last message repeated 3 times                                                                                                                                                                |
                  | Mar 12 17:44:02 dhclient[261]: DHCPDISCOVER on xl1 to 255.255.255.255 port 67 interval 6                                                                                                                    |
                  | Mar 12 17:44:02 dhclient[261]: DHCPOFFER from 81.236.128.1                                                                                                                                                  |
                  | Mar 12 17:44:04 dhclient[261]: DHCPREQUEST on xl1 to 255.255.255.255 port 67                                                                                                                                |
                  | Mar 12 17:44:04 dhclient[261]: DHCPACK from 81.236.128.1                                                                                                                                                    |
                  | Mar 12 17:44:04 dhclient[261]: bound to 81.236.134.30 – renewal in 600 seconds.                                                                                                                            |
                  | Mar 12 17:44:34 SnortStartup[55432]: Ram free BEFORE starting Snort: 108M – Ram free AFTER starting Snort: 107M -- Mode ac-sparsebands -- Snort memory usage:                                              |
                  | Mar 12 17:44:51 SnortStartup[55465]: Ram free BEFORE starting Snort: 107M – Ram free AFTER starting Snort: 108M -- Mode ac-sparsebands -- Snort memory usage:                                              |
                  | Mar 12 17:54:04 dhclient[261]: DHCPREQUEST on xl1 to 81.228.3.186 port 67                                                                                                                                    |
                  | Mar 12 17:54:43 last message repeated 3 times                                                                                                                                                                |
                  | Mar 12 17:56:45 last message repeated 7 times                                                                                                                                                                |
                  | Mar 12 18:00:44 last message repeated 9 times                                                                                                                                                                |
                  | Mar 12 18:01:39 dnsmasq[572]: reading /etc/resolv.conf                                                                                                                                                      |
                  | Mar 12 18:01:39 dnsmasq[572]: using nameserver 195.67.199.41#53                                                                                                                                              |
                  | Mar 12 18:01:39 dnsmasq[572]: using nameserver 195.67.199.40#53                                                                                                                                              |
                  | Mar 12 18:01:39 dnsmasq[572]: using nameserver 195.67.199.39#53                                                                                                                                              |
                  | Mar 12 18:02:17 dhclient[261]: DHCPREQUEST on xl1 to 255.255.255.255 port 67                                                                                                                                |
                  | Mar 12 18:02:17 dhclient[261]: DHCPACK from 81.236.128.1                                                                                                                                                    |
                  | Mar 12 18:02:17 dhclient[261]: short write: wanted 21 got 0 bytes                                                                                                                                            |
                  | Mar 12 18:02:17 dhclient[261]: exiting.                                                                                                                                                                      |
                  | Mar 12 20:13:17 login: login on ttyv0 as root                                                                                                                                                                |
                  | Mar 12 20:15:57 dhclient[81132]: DHCPDISCOVER on xl1 to 255.255.255.255 port 67 interval 5                                                                                                                  |
                  | Mar 12 20:16:02 dhclient[81132]: DHCPDISCOVER on xl1 to 255.255.255.255 port 67 interval 6                                                                                                                  |
                  | Mar 12 20:16:08 dhclient[81132]: DHCPDISCOVER on xl1 to 255.255.255.255 port 67 interval 7                                                                                                                  |
                  | Mar 12 20:16:08 dhclient[81132]: DHCPOFFER from 81.236.128.1                                                                                                                                                |
                  | Mar 12 20:16:10 dhclient[81132]: DHCPREQUEST on xl1 to 255.255.255.255 port 67                                                                                                                              |
                  | Mar 12 20:16:10 dhclient[81132]: DHCPACK from 81.236.128.1                                                                                                                                                  |
                  | Mar 12 20:16:10 dhclient[81132]: bound to 81.236.134.30 – renewal in 600 seconds.                                                                                                                          |

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                  • S
                    sullrich
                    last edited by

                    Remove snort and see if the problem persists.

                    1 Reply Last reply Reply Quote 0
                    • S
                      Selective
                      last edited by

                      removing snort won´t change a thing, he got the same error i do,and i don´t use snort. And as i said it only happens one time after reboot, pressing the renew button clears the problem.

                      the dhclient error is not fixed !

                      1 Reply Last reply Reply Quote 0
                      • V
                        Veni
                        last edited by

                        I removed Snort a couple of hours ago, and will give it a go
                        try to reproduce the issue by rebooting the pfSense computer
                        and not reinstalling Snort for a while.

                        1 Reply Last reply Reply Quote 0
                        • S
                          sullrich
                          last edited by

                          @Selective:

                          removing snort won´t change a thing, he got the same error i do,and i don´t use snort. And as i said it only happens one time after reboot, pressing the renew button clears the problem.

                          the dhclient error is not fixed !

                          Calm down there pal.  Snort gets RELOADED at the same time that dhclient invokes… So you don't know what your talking about quite frankly.

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                          • V
                            Veni
                            last edited by

                            Alright, it happened again a couple of minutes ago.
                            Pressing the Renew button gave me back my ipaddress within 5 seconds.
                            Checked traffic on my WatchGuard box and it did not record any problem with the internet.

                            I pressed the Renew button around 08:27.

                            This is what i have from syslog:

                            Mar 15 07:00:57 last message repeated 4 times
                            Mar 15 07:01:30 dhclient[269]: DHCPREQUEST on xl1 to 255.255.255.255 port 67
                            Mar 15 07:01:30 dhclient[269]: DHCPACK from 81.236.128.1
                            Mar 15 07:01:31 dhclient[269]: bound to 81.236.134.30 – renewal in 600 seconds.
                            Mar 15 07:11:30 dhclient[269]: DHCPREQUEST on xl1 to 81.228.3.186 port 67
                            Mar 15 07:12:01 last message repeated 3 times
                            Mar 15 07:14:07 last message repeated 4 times
                            Mar 15 07:18:51 last message repeated 12 times
                            Mar 15 07:19:58 dhclient[269]: DHCPREQUEST on xl1 to 255.255.255.255 port 67
                            Mar 15 07:19:58 dhclient[269]: DHCPACK from 81.236.128.1
                            Mar 15 07:19:59 dhclient[269]: bound to 81.236.134.30 – renewal in 600 seconds.
                            Mar 15 07:29:58 dhclient[269]: DHCPREQUEST on xl1 to 81.228.3.186 port 67
                            Mar 15 07:30:26 last message repeated 2 times
                            Mar 15 07:32:35 last message repeated 4 times
                            Mar 15 07:36:11 last message repeated 3 times
                            Mar 15 07:39:59 dhclient[269]: DHCPDISCOVER on xl1 to 255.255.255.255 port 67 interval 7
                            Mar 15 07:40:06 dhclient[269]: DHCPDISCOVER on xl1 to 255.255.255.255 port 67 interval 15
                            Mar 15 07:40:06 dhclient[269]: DHCPOFFER from 81.236.128.1
                            Mar 15 07:40:08 dhclient[269]: DHCPREQUEST on xl1 to 255.255.255.255 port 67
                            Mar 15 07:40:08 dhclient[269]: DHCPACK from 81.236.128.1
                            Mar 15 07:40:08 dhclient[269]: bound to 81.236.134.30 – renewal in 600 seconds.
                            Mar 15 07:42:02 dnsmasq[529]: reading /etc/resolv.conf
                            Mar 15 07:42:02 dnsmasq[529]: using nameserver 195.67.199.41#53
                            Mar 15 07:42:02 dnsmasq[529]: using nameserver 195.67.199.40#53
                            Mar 15 07:42:02 dnsmasq[529]: using nameserver 195.67.199.39#53
                            Mar 15 07:50:08 dhclient[269]: DHCPREQUEST on xl1 to 81.228.3.186 port 67
                            Mar 15 07:50:38 last message repeated 3 times
                            Mar 15 07:52:41 last message repeated 5 times
                            Mar 15 07:55:06 dhclient[269]: DHCPREQUEST on xl1 to 81.228.3.186 port 67
                            Mar 15 08:00:10 dhclient[269]: DHCPDISCOVER on xl1 to 255.255.255.255 port 67 interval 3
                            Mar 15 08:00:10 dhclient[269]: DHCPOFFER from 81.236.128.1
                            Mar 15 08:00:12 dhclient[269]: DHCPREQUEST on xl1 to 255.255.255.255 port 67
                            Mar 15 08:00:12 dhclient[269]: DHCPACK from 81.236.128.1
                            Mar 15 08:00:12 dhclient[269]: bound to 81.236.134.30 – renewal in 600 seconds.
                            Mar 15 08:01:33 dnsmasq[529]: reading /etc/resolv.conf
                            Mar 15 08:01:33 dnsmasq[529]: using nameserver 195.67.199.41#53
                            Mar 15 08:01:33 dnsmasq[529]: using nameserver 195.67.199.40#53
                            Mar 15 08:01:33 dnsmasq[529]: using nameserver 195.67.199.39#53
                            Mar 15 08:10:12 dhclient[269]: DHCPREQUEST on xl1 to 81.228.3.186 port 67
                            Mar 15 08:10:33 last message repeated 2 times
                            Mar 15 08:11:41 last message repeated 4 times
                            Mar 15 08:15:34 last message repeated 2 times
                            Mar 15 08:20:13 dhclient[269]: short write: wanted 22 got 0 bytes
                            Mar 15 08:20:13 dhclient[269]: exiting.
                            Mar 15 08:27:37 dhclient[68835]: DHCPDISCOVER on xl1 to 255.255.255.255 port 67 interval 8
                            Mar 15 08:27:37 dhclient[68835]: DHCPOFFER from 81.236.128.1
                            Mar 15 08:27:39 dhclient[68835]: DHCPREQUEST on xl1 to 255.255.255.255 port 67
                            Mar 15 08:27:39 dhclient[68835]: DHCPACK from 81.236.128.1
                            Mar 15 08:27:40 dhclient[68835]: bound to 81.236.134.30 – renewal in 600 seconds.
                            Mar 15 08:27:42 login: login on ttyv0 as root
                            Mar 15 08:28:03 dnsmasq[529]: reading /etc/resolv.conf
                            Mar 15 08:28:03 dnsmasq[529]: using nameserver 195.67.199.41#53
                            Mar 15 08:28:03 dnsmasq[529]: using nameserver 195.67.199.40#53
                            Mar 15 08:28:03 dnsmasq[529]: using nameserver 195.67.199.39#53

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                            • S
                              sullrich
                              last edited by

                              We REALLY wish that we could reproduce this…  Everything we have tried does not reproduce it :(

                              1 Reply Last reply Reply Quote 0
                              • V
                                Veni
                                last edited by

                                Is there a way of asking dhclient to produce more info for debugging purposes?
                                I would glady run it in a mode like that :).

                                I don't really know what short write is, but from the looks of it, is it possible
                                to alter dhclient so that it does not invoke a shutdown of it self when the
                                short write event occurs?

                                ??? What is short write?
                                ??? What is the criteria for triggering that kind of response from the dhclient?

                                Selective, it would be interesting to know what country you are from and what
                                ISP you are using plus what type of physical connection the ISP delivers to you.

                                My ISP is TeliaSonera in Sweden and they deliver my internetaccess to a standard
                                RJ45 LAN Cat5(e?) port.

                                1 Reply Last reply Reply Quote 0
                                • S
                                  Selective
                                  last edited by

                                  im using telia as well, but through ADSL.

                                  The strange thing is that it only happens once, after reboot, so it must be something wrong with boot process..

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                                  • S
                                    sullrich
                                    last edited by

                                    I doubt it has anything to do with the boot sequence.

                                    Short writes in this case is the privilege separation code.  This appears to be a deep FreeBSD bug of some sort.

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                                    • K
                                      Krakke
                                      last edited by

                                      sullrich thank you  :D

                                      Version  1.0.1-SNAPSHOT-03-08-2007
                                      Uptime 7 days, 13:06

                                      Still running! Time to close this thread?

                                      Ethernet connection 100/10 megabits (ISP BBB Sweden)

                                      my own little world http://www.krakke.com/bilder/serverrum/IMG_6725_th_ex.jpg  ;)

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                                      • U
                                        UrbanSk
                                        last edited by

                                        Hi all!

                                        I just jumped in to this tread as i experience the same problem.
                                        After a reboot the wan interface looses its IP-adress. A renew fixes it until the next reboot.

                                        My version:
                                        1.0.1-SNAPSHOT-03-08-2007
                                        built on Sat Mar 10 00:05:34 EST 2007

                                        Selective and Veni uses Telia as ISP just as i am.

                                        Can the problem be related to our ISP hense you can not reproduce the problem.

                                        My knowledge of FreeBSD is limited but I will assist in any way I can if needed.

                                        Found some new information on this link:

                                        http://www.clavister.com/support/kb/10078/

                                        Regards,

                                        UrbanSk

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                                        • S
                                          sullrich
                                          last edited by

                                          Maybe one of you (or all) can call the ISP and ask them what is going on.

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                                          • S
                                            sai
                                            last edited by

                                            from the Clavister site:

                                            Symptom:
                                            The firewall fails to receive an IP address from DHCP.

                                            Note: The swedish ISP Telia has some servers that causes problems with the default settings. Changing the settings to the following is known to work in those cases:
                                              DHCP_MinimumLeaseTime 60
                                              DHCP_ValidateBcast NO
                                              DHCP_AllowGlobalBcast YES
                                              DHCP_UseLinkLocalIP NO
                                              DHCP_DisableArpOnOffer NO

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