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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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  • S
    sullrich
    last edited by Feb 19, 2007, 4:03 AM

    Good news!

    I was able to replicate this problem thanks to sdale and Vescovo.

    Vescovo had the final fix and it has been commited.  Please upgrade to a snapshot about an hour from this message.

    1 Reply Last reply Reply Quote 0
    • Y
      yoda715
      last edited by Feb 19, 2007, 5:28 AM Feb 19, 2007, 5:24 AM

      @sullrich:

      Good news!

      I was able to replicate this problem thanks to sdale and Vescovo.

      Vescovo had the final fix and it has been commited.  Please upgrade to a snapshot about an hour from this message.

      I think you forgot to wave your magic voodoo wand, problem still exists  ;). I think the problem lies in the rc.newwanip not catching the interface being assigned 0.0.0.0 IP address.

      1 Reply Last reply Reply Quote 0
      • S
        Selective
        last edited by Feb 19, 2007, 6:54 AM

        i did a workaround for that problem a couple of months ago:

        rc.newwanip:
        –---------------------------
        if($curwanip == "0.0.0.0") {
                log_error("Failed to update WAN IP, restarting dhclient.");
                exec("dhclient {$interface_real}");
                /* die now, dhclient will kick off rc.newwanip again? */
                exit;
        }

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        • F
          freax
          last edited by Feb 19, 2007, 10:00 AM

          Is not the real deal but if you disconnect the cable and connect it again you won't have link.
          I have both ends with fixed ip (the router and firewall interface) and it should have link again like it should.

          Like I said, i think it's a good way to debug whenever you want. Tests always available.

          Sorry if i'm wrong.

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          • K
            Krakke
            last edited by Feb 19, 2007, 1:45 PM

            Tried this  "fetch -o /etc/inc http://www.pfsense.com/~sullrich/filter.inc"

            Now i have to reinstall pfsense  :'(

            1 Reply Last reply Reply Quote 0
            • S
              sullrich
              last edited by Feb 20, 2007, 4:46 AM

              I have added a workaround and verified that it does indeed seem to work.

              Update to the latest snapshot at least an hour from now.  Currently 11:46PM EST.

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              • S
                Selective
                last edited by Feb 20, 2007, 10:44 PM

                im sorry to say this but, the new snapshot (02-18) is not working :(
                –------------------------------

                Feb 20 23:40:20 php: : rc.newwanip working with IP address 0.0.0.0 wan rl0.
                Feb 20 23:40:20 php: : Informational: rc.newwanip is starting rl0.
                Feb 20 23:40:19 dhclient: exit_with_hooks()
                Feb 20 23:40:19 dhclient: PREINIT
                Feb 20 23:40:19 dhclient: netstat
                Feb 20 23:40:19 dhclient[21934]: DHCPOFFER from 90.224.168.1
                Feb 20 23:40:19 dhclient[21934]: DHCPDISCOVER on rl0 to 255.255.255.255 port 67 interval 8
                Feb 20 23:40:19 dhclient: exit_with_hooks()
                Feb 20 23:40:19 check_reload_status: rc.newwanip starting
                Feb 20 23:40:19 dhclient: PREINIT
                Feb 20 23:40:19 dhclient: netstat
                Feb 20 23:40:19 dhclient: exit_with_hooks()
                Feb 20 23:40:18 dhclient: Deleting old routes
                Feb 20 23:40:18 dhclient: EXPIRE FAIL
                Feb 20 23:40:18 dhclient: netstat
                Feb 20 23:40:18 dhclient: exit_with_hooks()
                Feb 20 23:40:18 dhclient: PREINIT
                Feb 20 23:40:18 dhclient: netstat
                Feb 20 23:18:20 dhclient[280]: exiting.
                Feb 20 23:18:20 dhclient[280]: exiting.
                Feb 20 23:18:20 dhclient[280]: short write: wanted 21 got 0 bytes
                Feb 20 23:18:20 dhclient[280]: short write: wanted 21 got 0 bytes
                Feb 20 23:18:20 dhclient[280]: DHCPACK from 90.224.168.1
                Feb 20 23:18:20 dhclient[280]: DHCPREQUEST on rl0 to 255.255.255.255 port 67
                Feb 20 23:16:07 last message repeated 6 times
                Feb 20 23:12:37 last message repeated 7 times
                Feb 20 23:10:43 last message repeated 4 times
                Feb 20 23:10:13 dhclient[280]: DHCPREQUEST on rl0 to 213.67.15.234 port 67
                Feb 20 23:00:37 php: : FTP proxy disabled for interface opt2 - ignoring.
                Feb 20 23:00:37 php: : FTP proxy disabled for interface opt1 - ignoring.
                Feb 20 23:00:37 php: : FTP proxy disabled for interface LAN - ignoring.
                Feb 20 23:00:36 check_reload_status: reloading filter
                Feb 20 23:00:30 check_reload_status: updating dyndns
                Feb 20 23:00:27 php: : FTP proxy disabled for interface opt2 - ignoring.
                Feb 20 23:00:27 php: : FTP proxy disabled for interface opt1 - ignoring.
                Feb 20 23:00:27 php: : FTP proxy disabled for interface LAN - ignoring.
                Feb 20 23:00:23 check_reload_status: reloading filter
                Feb 20 23:00:23 php: : Configuring slbd
                Feb 20 23:00:23 php: : Resyncing configuration for all packages.
                Feb 20 23:00:19 php: : Creating rrd update script

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                • S
                  sullrich
                  last edited by Feb 21, 2007, 1:03 AM

                  I really don't see how it could not work.

                  Run this from a shell:

                  cat /sbin/dhclient | grep reload

                  What does the results say?

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                  • S
                    Selective
                    last edited by Feb 21, 2007, 7:04 AM

                    it does not say anything:
                    –----------------------------

                    Enter an option: 8

                    cat /sbin/dhclient | grep reload

                    Binary file (standard input) matches

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                    • S
                      sullrich
                      last edited by Feb 21, 2007, 6:14 PM

                      Can someone else please test?  This absolutely works for me after 20 hours when normally it would break in 30 minutes…

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                      • K
                        Krakke
                        last edited by Feb 21, 2007, 7:05 PM

                        @sullrich:

                        Can someone else please test?  This absolutely works for me after 20 hours when normally it would break in 30 minutes…

                        Works fine for me, only lost my ip 2 times, and that was before the latest snapshot.

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                        • S
                          sullrich
                          last edited by Feb 21, 2007, 7:11 PM

                          @Krakke:

                          Works fine for me, only lost my ip 2 times, and that was before the latest snapshot.

                          Great!  Almost started to go insane, because I know this fixed my issue.  Please, someone else test?

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                          • K
                            Krakke
                            last edited by Feb 21, 2007, 8:12 PM

                            @sullrich:

                            @Krakke:

                            Works fine for me, only lost my ip 2 times, and that was before the latest snapshot.

                            Great!  Almost started to go insane, because I know this fixed my issue.  Please, someone else test?

                            Im sorry sullrich, went out for a while, when i came back

                            Feb 21 20:01:24 dhclient[300]: DHCPREQUEST on fxp0 to 172.21.249.50 port 67
                            Feb 21 20:01:24 dhclient[300]: DHCPACK from 172.21.249.50
                            Feb 21 20:01:24 dhclient[300]: short write: wanted 21 got 0 bytes
                            Feb 21 20:01:24 dhclient[300]: short write: wanted 21 got 0 bytes
                            Feb 21 20:01:24 dhclient[300]: exiting.
                            Feb 21 20:01:24 dhclient[300]: exiting.

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                            • H
                              hoba
                              last edited by Feb 21, 2007, 8:46 PM

                              Atm there is a workaround in pllace that will restart the dhclient when it exits. Does it get restarted?

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                              • K
                                Krakke
                                last edited by Feb 21, 2007, 8:55 PM

                                @hoba:

                                Atm there is a workaround in pllace that will restart the dhclient when it exits. Does it get restarted?

                                Nope at 20:01:24 it exited, at 21:01 i lost my ip, then i had to do a renew.

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                                • S
                                  sullrich
                                  last edited by Feb 21, 2007, 10:31 PM Feb 21, 2007, 10:29 PM

                                  It can take up to 5 minutes to restart dhclient depending on if check_reload_status is running.

                                  So if you still have trouble please check that check_reload_status is running from a shell by doing:

                                  ps awux | grep check_reload_status

                                  Also, cat /etc/crontab | grep check

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                                  • S
                                    sullrich
                                    last edited by Feb 21, 2007, 11:01 PM

                                    I found yet another problem.  This WAN DHCP issue has been nothing but fun!

                                    Try out a recent snapshot atleast an hour from now.

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                                    • S
                                      Selective
                                      last edited by Feb 22, 2007, 7:18 PM

                                      damn! snapshot 02-21 is not working  :'( :'( :'(
                                      –----------------

                                      Feb 22 20:02:39 dhclient[283]: exiting.
                                      Feb 22 20:02:39 dhclient[283]: exiting.
                                      Feb 22 20:02:39 dhclient[283]: short write: wanted 21 got 0 bytes
                                      Feb 22 20:02:39 dhclient[283]: short write: wanted 21 got 0 bytes
                                      Feb 22 20:02:39 dhclient[283]: DHCPACK from 90.224.168.1
                                      Feb 22 20:02:39 dhclient[283]: DHCPREQUEST on rl0 to 255.255.255.255 port 67
                                      Feb 22 19:59:46 last message repeated 5 times
                                      Feb 22 19:56:08 last message repeated 6 times
                                      Feb 22 19:54:11 last message repeated 4 times
                                      Feb 22 19:53:39 dhclient[283]: DHCPREQUEST on rl0 to 213.67.15.234 port 67
                                      Feb 22 19:44:03 php: : FTP proxy disabled for interface opt2 - ignoring.
                                      Feb 22 19:44:03 php: : FTP proxy disabled for interface opt1 - ignoring.
                                      Feb 22 19:44:03 php: : FTP proxy disabled for interface LAN - ignoring.
                                      Feb 22 19:44:02 check_reload_status: reloading filter

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                                      • S
                                        sullrich
                                        last edited by Feb 22, 2007, 9:03 PM

                                        @Selective:

                                        damn! snapshot 02-21 is not working  :'( :'( :'(

                                        Yes the problem still exists and we have been racking our brains out – literally.

                                        1 Reply Last reply Reply Quote 0
                                        • S
                                          sullrich
                                          last edited by Feb 23, 2007, 8:39 PM

                                          Please try http://snapshots.pfsense.com/FreeBSD6/RELENG_1/updates/pfSense-Full-Update-1.0.1-SNAPSHOT-02-21-2007.tgz

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