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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

      @fireseller:

      running great now for around 1 day!

      Thanks a lot for the great work!

      Awesome!  Anyone else?

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      • S
        Selective
        last edited by

        Works great ! I think you hit the spot !  ;D

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        • S
          sullrich
          last edited by

          @Selective:

          Works great ! I think you hit the spot !  ;D

          Great!  That's 3-4 people that is now fixed.  FreeBSD REALLY needs to take a look at their dhclient.  It's obvious that it's subpar to ISC's.

          Anyone else?

          Merry Xmas and happy holidays!

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          • F
            fireseller
            last edited by

            Just updated to the latest cvs… No issue for 2 days. I think the right spot was hit ;)

            Happy holidays and again - big thanks for the great work!

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            • A
              adrianhensler
              last edited by

              I'm new here; so it could be me; but I'm also experiencing the issue. I have to ifconfig up / down every couple hours.  I don't see any logs that are showing me errors - any tips on where to look? I installed from the 12-23 build with squid and snort. I also ran the fetch command from above.

              I'm all for suggesting it's user error; any tips are welcome. I had a build from early December running and it was up for a couple weeks without issue.

              edit with a tiny bit more info - I've looked at the system.log; and it seems to be corrupted near the end.I'm on my second old clunker hard drive; maybe this one's been around the block too many times as well. There's some weird duplication at the end of the log before it turns into an ASCII mess:

              Dec 27 02:44:31 chunder snort[775]: Var 'SMTP_SERVERS' defined, value len = 28 chars
              Dec 27 02:44:31 chunder snort[775]: Var 'SMTP_SERVERS' defined, value len = 28 chars
              Dec 27 02:44:31 chunder snort[775]: , value = [24.89.123.123,192.168.1.1,]
              …skipping...
              Dec 27 21:53:26 chunder dhclient: execve (/sb, ...): No such file or directory
              Dec 27 21:53:26 chunder dhclient: execve (/sb, ...): No such file or directory
              Dec 27 21:53:26 chunder dhclient: Listening on BPF/ed0/00:50:8d:f1:3a:9d
              Dec 27 21:53:26 chunder dhclient: Sending on  BPF/ed0/00:50:8d:f1:3a:9d
              Dec 27 21:53:26 chunder dhclient: Can't bind to dhcp address: Address already in use
              Dec 27 21:53:26 chunder dhclient: Can't bind to dhcp address: Address already in use
              Dec 27 21:53:26 chunder dhclient: Please make sure there is no other dhcp server
              Dec 27 21:53:26 chunder dhclient: Please make sure there is no other dhcp server
              Dec 27 21:53:26 chunder dhclient: running and that there's no entry for dhcp or
              Dec 27 21:53:26 chunder dhclient: running and that there's no entry for dhcp or
              Dec 27 21:53:26 chunder dhclient: bootp in /etc/inetd.conf.  Also make sure you
              Dec 27 21:53:26 chunder dhclient: bootp in /etc/inetd.conf.  Also make sure you
              Dec 27 21:53:26 chunder dhclient: are not running HP JetAdmin software, which
              Dec 27 21:53:26 chunder dhclient: are not running HP JetAdmin software, which
              Dec 27 21:53:26 chunder dhclient: includes a bootp server.
              Dec 27 21:53:26 chunder dhclient: includes a bootp server.

              Does that suggest anything? I'm not aware of any bootp servers running anywhere. Hm.

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              • H
                hoba
                last edited by

                Any chance that you are using dhcp on more than 1 interface? The current dhclient-switch doesn't handle multiple dhcp interfaces correctly atm. We need to improve this a bit to handle these kind of situations.

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                • S
                  sullrich
                  last edited by

                  @hoba:

                  Any chance that you are using dhcp on more than 1 interface? The current dhclient-switch doesn't handle multiple dhcp interfaces correctly atm. We need to improve this a bit to handle these kind of situations.

                  Bad news.  Looks like we are going to have to revert back to the previous code.  This newer code breaks our multi-wan dhcp.

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                  • A
                    adrianhensler
                    last edited by

                    Just to follow up on my previous information; I see this in the system.log:

                    Dec 28 08:39:40 chunder dhclient: execve (/usr/local/sbin/dhclient-script, …): No such file or directory
Dec 28 08:39:40 chunder dhclient: execve (/usr/local/sbin/dhclient-script, ...): No such file or directory
Dec 28 08:39:40 chunder dhclient: /y: not found
Dec 28 08:39:40 chunder dhclient: /y: not found

                    dhclient-script is in /sbin ?

                    I'm still using the install from 12-23 and I used the fetch from another thread. Maybe I just made a mess…. Maybe I'll copy that over and see what happens; or maybe I'll get a chance to take a better look at it and see what put it there.

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                    • H
                      hoba
                      last edited by

                      Investigating this error is riding a dead horse. We have to go back to the previous dhclient due to multi interface dhclient issues with the isc client that can't be worked around. The next snapshot will be back at the "old" openbsd dhclient.

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                      • F
                        freax
                        last edited by

                        Hi !

                        Does the following code work to workaround temporarily this problem ?

                        /etc/rc.newwanip

                        if($curwanip == "0.0.0.0") {
                                log_error("Failed to update WAN IP, restarting dhclient.");
                                exec("dhclient fxp0");

                        Thanks in advance.

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                        • F
                          freax
                          last edited by

                          I don't want to stress anybody but I didn't received any answer and this topic seems to be stopped.
                          This issue is being solved ?
                          I'm having this problem too.

                          Thanks in advance.

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

                            @freax:

                            I don't want to stress anybody but I didn't received any answer and this topic seems to be stopped.
                            This issue is being solved ?
                            I'm having this problem too.

                            Thanks in advance.

                            No, work has halted.  Sorry.

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

                              I have commited some work around code to this bug.  Please test a snapshot in about an hour from now and see if it works around the issue.

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

                                Hi again.

                                I did the update but I lost my connection at this moment again where it didn't happened with an old pfsense with the same hardware:

                                php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                Jan 30 10:28:24 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                Jan 30 10:28:23 check_reload_status: rc.linkup starting
                                Jan 30 10:28:23 mpd: [pt1] LCP: no reply to 1 echo request(s)
                                Jan 30 10:28:22 kernel: vr0: link state changed to UP
                                Jan 30 10:28:19 kernel: vr0: link state changed to DOWN
                                Jan 30 10:28:19 mpd: [pt0] LCP: no reply to 1 echo request(s)
                                Jan 30 10:28:08 php: : DEVD Ethernet attached event for fxp0
                                Jan 30 10:28:08 kernel: vr0: link state changed to UP
                                Jan 30 10:28:08 check_reload_status: rc.linkup starting
                                Jan 30 10:28:04 kernel: fxp0: link state changed to UP
                                Jan 30 10:28:03 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                Jan 30 10:28:03 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                Jan 30 10:28:03 php: : DEVD Ethernet detached event for fxp0
                                Jan 30 10:28:03 check_reload_status: rc.linkup starting
                                Jan 30 10:28:00 kernel: vr0: link state changed to DOWN
                                Jan 30 10:27:59 kernel: vr0: link state changed to UP
                                Jan 30 10:27:58 kernel: fxp0: link state changed to DOWN
                                Jan 30 10:27:58 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                Jan 30 10:27:58 check_reload_status: rc.linkup starting
                                Jan 30 10:27:53 kernel: vr0: link state changed to DOWN
                                Jan 30 10:21:44 mpd: [pt1] IFACE: Up event
                                Jan 30 10:21:44 mpd: [pt1] exec: /usr/local/sbin/vpn-linkup ng2 inet 172.16.99.1 172.16.99.97 USERXXX
                                Jan 30 10:21:44 mpd: [pt1] exec: command returned 256
                                Jan 30 10:21:44 mpd: [pt1] exec: /sbin/route add 172.16.99.1 -iface lo0
                                Jan 30 10:21:44 mpd: [pt1] no interface to proxy arp on for 172.16.99.97
                                Jan 30 10:21:44 mpd: [pt1] exec: /sbin/ifconfig ng2 172.16.99.1 172.16.99.97 netmask 0xffffffff -link0
                                Jan 30 10:21:44 mpd: [pt1] setting interface ng2 MTU to 1396 bytes
                                Jan 30 10:21:44 mpd: [pt1] IFACE: Up event
                                Jan 30 10:21:44 mpd: 172.16.99.1 -> 172.16.99.97
                                Jan 30 10:21:44 mpd: [pt1] IPCP: LayerUp
                                Jan 30 10:21:44 mpd: [pt1] IPCP: state change Ack-Sent –> Opened
                                Jan 30 10:21:44 mpd: IPADDR 172.16.99.1
                                Jan 30 10:21:44 mpd: [pt1] IPCP: rec'd Configure Ack #13 link 0 (Ack-Sent)
                                Jan 30 10:21:44 mpd: [pt1] IPCP: state change Req-Sent –> Ack-Sent
                                Jan 30 10:21:44 mpd: IPADDR 172.16.99.97
                                Jan 30 10:21:44 mpd: [pt1] IPCP: SendConfigAck #7
                                Jan 30 10:21:44 mpd: 172.16.99.97 is OK
                                Jan 30 10:21:44 mpd: IPADDR 172.16.99.97
                                Jan 30 10:21:44 mpd: [pt1] IPCP: rec'd Configure Request #7 link 0 (Req-Sent)
                                Jan 30 10:21:44 mpd: [pt1] setting interface ng2 MTU to 1396 bytes
                                Jan 30 10:21:44 mpd: Decompress using: MPPE, 128 bit, stateless
                                Jan 30 10:21:44 mpd: Compress using: MPPE, 128 bit, stateless
                                Jan 30 10:21:44 mpd: [pt1] CCP: LayerUp
                                Jan 30 10:21:44 mpd: [pt1] CCP: state change Ack-Rcvd –> Opened
                                Jan 30 10:21:44 mpd: 0x01000040: MPPE, 128 bit, stateless
                                Jan 30 10:21:44 mpd: MPPC
                                Jan 30 10:21:44 mpd: [pt1] CCP: SendConfigAck #6
                                Jan 30 10:21:44 mpd: [pt1] CCP: Checking whether 128 bits are acceptable -> yes
                                Jan 30 10:21:44 mpd: 0x01000040: MPPE, 128 bit, stateless

                                Thanks.

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                                • F
                                  freax
                                  last edited by

                                  Don't know if this help but here it is another log from today.

                                  Don't know if is coincidence but the same vpn user is present in logs trying to connect when this appens:

                                  php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                  Jan 31 14:30:26 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                  Jan 31 14:30:26 check_reload_status: rc.linkup starting
                                  Jan 31 14:30:24 kernel: vr0: link state changed to UP
                                  Jan 31 14:30:22 kernel: vr0: link state changed to DOWN
                                  Jan 31 14:30:11 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                  Jan 31 14:30:11 check_reload_status: rc.linkup starting
                                  Jan 31 14:30:10 kernel: vr0: link state changed to UP
                                  Jan 31 14:30:06 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                  Jan 31 14:30:06 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                  Jan 31 14:30:05 check_reload_status: rc.linkup starting
                                  Jan 31 14:30:03 kernel: vr0: link state changed to DOWN
                                  Jan 31 14:30:01 kernel: vr0: link state changed to UP
                                  Jan 31 14:30:00 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                  Jan 31 14:30:00 check_reload_status: rc.linkup starting
                                  Jan 31 14:29:56 kernel: vr0: link state changed to DOWN
                                  Jan 31 14:07:54 mpd: pptp0: killing connection with XXX.XXX.XXX.XXX:4160
                                  Jan 31 14:07:54 mpd: [pt0] device is now in state DOWN
                                  Jan 31 14:07:54 mpd: [pt0] device: CLOSE event in state DOWN
                                  Jan 31 14:07:54 mpd: [pt0] LCP: LayerFinish
                                  Jan 31 14:07:54 mpd: [pt0] LCP: state change Starting –> Initial
                                  Jan 31 14:07:54 mpd: [pt0] LCP: Close event
                                  Jan 31 14:07:54 mpd: [pt0] link: CLOSE event
                                  Jan 31 14:07:54 mpd: [pt0] device is now in state DOWN
                                  Jan 31 14:07:54 mpd: [pt0] pausing 9 seconds before open
                                  Jan 31 14:07:54 mpd: [pt0] device: OPEN event in state DOWN
                                  Jan 31 14:07:54 mpd: [pt0] closing link "pt0"…
                                  Jan 31 14:07:54 mpd: [pt0] bundle: CLOSE event in state OPENED
                                  Jan 31 14:07:54 mpd: [pt0] LCP: LayerDown
                                  Jan 31 14:07:54 mpd: [pt0] CCP: LayerFinish
                                  Jan 31 14:07:54 mpd: [pt0] CCP: state change Starting –> Initial
                                  Jan 31 14:07:54 mpd: [pt0] CCP: Close event
                                  Jan 31 14:07:54 mpd: [pt0] CCP: LayerDown
                                  Jan 31 14:07:54 mpd: [pt0] CCP: state change Opened –> Starting
                                  Jan 31 14:07:54 mpd: [pt0] CCP: Down event
                                  Jan 31 14:07:54 mpd: [pt0] IPCP: state change Closing –> Initial
                                  Jan 31 14:07:54 mpd: [pt0] IPCP: LayerFinish
                                  Jan 31 14:07:54 mpd: [pt0] IPCP: Down event
                                  Jan 31 14:07:54 mpd: [pt0] RADIUS: Down Event
                                  Jan 31 14:07:54 mpd: [pt0] up: 0 links, total bandwidth 9600 bps
                                  Jan 31 14:07:54 mpd: [pt0] setting interface ng1 MTU to 1500 bytes
                                  Jan 31 14:07:54 mpd: [pt0] RADIUS: RadiusSendRequest: RAD_ACCOUNTING_RESPONSE for user userXXX
                                  Jan 31 14:07:54 mpd: [pt0] RADIUS: RadiusAccount: Sending accounting data (Type: 2)
                                  Jan 31 14:07:54 mpd: [pt0] RADIUS: Termination cause: , RADIUS: 10
                                  Jan 31 14:07:54 mpd: [pt0] RADIUS: RadiusAddServer Adding 192.168.99.1
                                  Jan 31 14:07:54 mpd: [pt0] RADIUS: RadiusAccount for: userXXX
                                  Jan 31 14:07:54 mpd: [pt0] LCP: phase shift NETWORK –> DEAD
                                  Jan 31 14:07:54 mpd: [pt0] LCP: state change Opened –> Starting
                                  Jan 31 14:07:54 mpd: [pt0] LCP: Down event
                                  Jan 31 14:07:54 mpd: [pt0] link: DOWN event

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                                  • F
                                    freax
                                    last edited by

                                    Hi again.

                                    There is another log but the symptom seems the same: the interface vr0 that is connected to a router goes down then it can't goe up again:

                                    php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                    Feb 2 11:09:46 check_reload_status: rc.linkup starting
                                    Feb 2 11:09:41 kernel: vr0: link state changed to UP
                                    Feb 2 11:09:41 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                    Feb 2 11:09:41 check_reload_status: rc.linkup starting
                                    Feb 2 11:09:39 kernel: vr0: link state changed to DOWN
                                    Feb 2 11:09:31 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                    Feb 2 11:09:30 check_reload_status: rc.linkup starting
                                    Feb 2 11:09:27 kernel: vr0: link state changed to UP
                                    Feb 2 11:09:20 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                    Feb 2 11:09:20 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                    Feb 2 11:09:20 check_reload_status: rc.linkup starting
                                    Feb 2 11:09:19 kernel: vr0: link state changed to DOWN
                                    Feb 2 11:09:18 kernel: vr0: link state changed to UP
                                    Feb 2 11:09:15 php: : Hotplug event detected for vr0 but ignoring since interface is not set for DHCP
                                    Feb 2 11:09:15 check_reload_status: rc.linkup starting
                                    Feb 2 11:09:13 kernel: vr0: link state changed to DOWN
                                    Feb 2 10:51:31 mpd: pptp0: killing connection with 87.103.50.134:2118
                                    Feb 2 10:51:31 mpd: [pt0] LCP: Down event
                                    Feb 2 10:51:31 mpd: [pt0] link: DOWN event
                                    Feb 2 10:51:31 mpd: [pt0] LCP: phase shift ESTABLISH –> DEAD
                                    Feb 2 10:51:31 mpd: [pt0] LCP: state change Closed –> Initial
                                    Feb 2 10:51:31 mpd: [pt0] LCP: Down event
                                    Feb 2 10:51:31 mpd: [pt0] link: DOWN event
                                    Feb 2 10:51:31 mpd: [pt0] device is now in state DOWN
                                    Feb 2 10:51:31 mpd: [pt0] device: DOWN event in state DOWN
                                    Feb 2 10:51:31 mpd: [pt0] LCP: state change Stopped –> Closed
                                    Feb 2 10:51:31 mpd: [pt0] LCP: Close event
                                    Feb 2 10:51:31 mpd: [pt0] link: CLOSE event
                                    Feb 2 10:51:31 mpd: [pt0] device is now in state DOWN
                                    Feb 2 10:51:31 mpd: [pt0] device: DOWN event in state CLOSING
                                    Feb 2 10:51:31 mpd: [pt0] closing link "pt0"…
                                    Feb 2 10:51:31 mpd: [pt0] bundle: CLOSE event in state OPENED
                                    Feb 2 10:51:31 mpd: [pt0] device is now in state CLOSING
                                    Feb 2 10:51:31 mpd: [pt0] IFACE: Close event
                                    Feb 2 10:51:31 mpd: pptp0: closing connection with 87.103.50.134:2118
                                    Feb 2 10:51:31 mpd: [pt0] IFACE: Close event
                                    Feb 2 10:51:31 mpd: [pt0] IPCP: LayerFinish
                                    Feb 2 10:51:31 mpd: [pt0] IPCP: state change Starting –> Initial
                                    Feb 2 10:51:31 mpd: [pt0] IPCP: Close event
                                    Feb 2 10:51:31 mpd: [pt0] IFACE: Close event
                                    Feb 2 10:51:31 mpd: [pt0] PPTP call terminated
                                    Feb 2 10:51:31 mpd: pptp0-0: killing channel
                                    Feb 2 10:51:31 mpd: pptp0-0: clearing call
                                    Feb 2 10:51:31 mpd: [pt0] device: CLOSE event in state UP
                                    Feb 2 10:51:31 mpd: [pt0] LCP: LayerFinish
                                    Feb 2 10:51:31 mpd: [pt0] LCP: phase shift TERMINATE –> ESTABLISH
                                    Feb 2 10:51:31 mpd: [pt0] LCP: state change Stopping –> Stopped
                                    Feb 2 10:51:31 mpd: [pt0] LCP: SendTerminateAck #138
                                    Feb 2 10:51:31 mpd: [pt0] LCP: rec'd Terminate Request #10 link 0 (Stopping)

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                                    • S
                                      sullrich
                                      last edited by

                                      Is that interface marked for DHCP?  It thinks that it is not.

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

                                        No, it's not.

                                        No dhcp in vr0.
                                        The dhcp on router is deactivated too.

                                        Thanks in advance.

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                                        • S
                                          sullrich
                                          last edited by

                                          Then I am confused… What is vr0?

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                                          • F
                                            freax
                                            last edited by

                                            The vr0 is the network interface of the firewall of our second link to workstations. It is connected to a router.

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