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Forum Discussion

dmckibbin's avatar
dmckibbin
Aspirant
Jul 02, 2019

LB1121 Randomly Changing MAC address

I have a LB1121 4G-LTE modem which is mostly great, but there is one annoyance. The MAC address does not appear to be static. It seems to randomly change. Sometimes once a day which causes connectivi...
schumaku's avatar
schumaku
Guru - Experienced User
Jul 02, 2019

Based on the description one would assoume you talk of the LB1121 router mode.

 

Can't help much, as the Swiss mobile providers don't offer any IPv6, and we deploy our units in pure Modem mode.

  • dmckibbin's avatar
    dmckibbin
    Aspirant
    Jul 02, 2019

    Yes, it's running in router mode. Maybe I'll try it in bridge mode and see if that works any better.

     

    • schumaku's avatar
      schumaku
      Guru - Experienced User
      Jul 02, 2019

      This is delegating all NAT and routing jobs to an additional device then.

      • dmckibbin's avatar
        dmckibbin
        Aspirant
        Jul 02, 2019

        Yes, I have a firewall behind it.