Netgate Discussion Forum
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Search
    • Register
    • Login

    Gateway send by operator but not set in Pfsense

    Scheduled Pinned Locked Moved DHCP and DNS
    7 Posts 2 Posters 225 Views
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • E
      ewok2
      last edited by ewok2

      Hello
      My conf :

      • A Netgate 2100 (Pfsense latest version) with a SFP and directly link to my "Orange" operator.
      • I am trying to make the DHCP (V4) working.
      • I have set the DHCP advance parameter with "Send options" "Request options" and "option modifiers" to act as the operator box.

      I get an IP form my Operator and this IP is set in pfsense
      But I receive a gateway from my operator in the DHCP exchange (seen in the tcpdump)
      => But Pfsense did not set the gateway?
      I need to perform a "add route with the IP of the gateway" to get the connection working.

      Any idea where to search ?

      V 1 Reply Last reply Reply Quote 0
      • V
        viragomann @ewok2
        last edited by

        @ewok2
        Check the Status > System Logs > DHCP log for regarding dhcpclient lines. Possibly you find out the reason there.

        1 Reply Last reply Reply Quote 0
        • E
          ewok2
          last edited by

          Oups I thought the dhcpd.log fil was only fot the dhcp server on the LAN :-)
          Thanks indeed there are some strange line related to the dhclient (I presume the dialogue between my netgate and the operator.

          dhclient[78226]: DHCPREQUEST on mvneta0.832 to 80.10.232.229 port 67
dhclient[78226]: DHCPACK from 80.10.232.229
dhclient[78226]: unknown dhcp option value 0x5a
dhclient[78226]: unknown dhcp option value 0x7d
dhclient[51793]: RENEW
dhclient[52869]: Creating resolv.conf
dhclient[78226]: bound to **MyIP** -- renewal in 84672 seconds.

          Some information...
          I have folow a tuto thath work for Pfsense "Opensource" which is not in the same version of freebsd...

          V 1 Reply Last reply Reply Quote 0
          • V
            viragomann @ewok2
            last edited by

            @ewok2
            Isn't there something regarding the gateway?
            Maybe after you go to Status > Interfaces and renew the WAN IP manually?

            E 1 Reply Last reply Reply Quote 0
            • E
              ewok2 @viragomann
              last edited by ewok2

              @viragomann
              I have made a reboot of the pfsense to be sure to get all gatteway information

              here is the output below

              dhclient[21748]: PREINIT
dhclient[20994]: DHCPREQUEST on mvneta0.832 to 255.255.255.255 port 67
dhclient[20994]: DHCPREQUEST on mvneta0.832 to 255.255.255.255 port 67
dhclient[20994]: DHCPACK from 80.10.232.229
dhclient[20994]: unknown dhcp option value 0x5a
dhclient[20994]: unknown dhcp option value 0x7d
dhclient[37477]: REBOOT
dhclient[40032]: Starting add_new_address()
dhclient[40978]: ifconfig mvneta0.832 inet 92.145.116.**X** netmask 255.255.254.0 broadcast 92.145.117.255 
dhclient[41938]: New IP Address (mvneta0.832): 92.145.116.**X**
dhclient[42621]: New Subnet Mask (mvneta0.832): 255.255.254.0
dhclient[43364]: New Broadcast Address (mvneta0.832): 92.145.117.255
dhclient[44124]: New Routers (mvneta0.832): 92.145.116.1
dhclient[45095]: Adding new routes to interface: mvneta0.832
dhclient[45496]: Creating resolv.conf
dhclient[20994]: bound to 92.145.116.**X** -- renewal in 84672 seconds.

              and 3 seconds later :

              dhclient[20994]: connection closed
dhclient[20994]: exiting.
dhclient[63391]: PREINIT
dhclient[62308]: DHCPREQUEST on mvneta0.832 to 255.255.255.255 port 67
dhclient[62308]: DHCPACK from 80.10.232.229
dhclient[62308]: unknown dhcp option value 0x5a
dhclient[62308]: unknown dhcp option value 0x7d
dhclient[67030]: REBOOT
dhclient[67961]: Starting add_new_address()
dhclient[68375]: ifconfig mvneta0.832 inet 92.145.116.**X** netmask 255.255.254.0 broadcast 92.145.117.255 
dhclient[68783]: New IP Address (mvneta0.832): 92.145.116.**X**
dhclient[69453]: New Subnet Mask (mvneta0.832): 255.255.254.0
dhclient[69991]: New Broadcast Address (mvneta0.832): 92.145.117.255
dhclient[71101]: New Routers (mvneta0.832): 92.145.116.1
dhclient[71810]: Adding new routes to interface: mvneta0.832
dhclient[72612]: Creating resolv.conf
dhclient[62308]: bound to 92.145.116.145 -- renewal in 84672 seconds.

              In both sequence I seems I get the gateway ???

              PS : The unknown dhcp 0x5a is the option 90, but dispite the message my provider seem's to get what he want as I send me back IP and Gateway

              Any idea why the gateway is not set in pfsense?

              PPS : X is within 0 - 255 ;-)

              V 1 Reply Last reply Reply Quote 0
              • V
                viragomann @ewok2
                last edited by

                @ewok2
                According the logs, the DHCP client gets a gateway IP and add routes:

                dhclient[71101]: New Routers (mvneta0.832): 92.145.116.1
dhclient[71810]: Adding new routes to interface: mvneta0.832

                The gateway IP is within the WAN subnet. So I expect that the routes can be added properly.

                If you check out Diagnostic > Routes don't you see an IPv4 default route?

                However, you logs look weird. The log lines seem to be from many different dhclient processes, since they have different PIDs.
                I don't think, that they are shown in the correct sequence.
                Can you include the time stamp to get a better clue, what's going on?

                E 1 Reply Last reply Reply Quote 0
                • E
                  ewok2 @viragomann
                  last edited by

                  @viragomann
                  Thanks for asking question, problem solved....

                  Some information :
                  The interval between the 2 parts of log where only 3 seconds
                  no gateway display in the pfsense...

                  But in System->Routing menu, the default gateway IPV4 was in "automatic"
                  If I set it to WAN_DHCP it works!!!

                  1 Reply Last reply Reply Quote 0
                  • First post
                    Last post
                  Copyright 2025 Rubicon Communications LLC (Netgate). All rights reserved.