airport express cannot get valid IP address when extending network

nick_harambeenick_harambee
Posted:
in macOS edited January 2014
hi



i am trying to extend a network with an airport express but the airport express cannot get a valid IP address and flashes amber.



my setup is as follows: netgear router/modem which handles PPPoE connected via ethernet to time capsule which handles the wireless network.



time capsule is working fine and has a valid IP address but airport express doesn't.



i have checked 'allow this network to be extended' on the TC, and connection sharing is in bridge mode.



i wonder if someone could help me troubleshoot this



thanks



nick

Comments

  • Reply 1 of 2
    areseearesee Posts: 776member
    Quote:
    Originally Posted by nick_harambee View Post


    i have checked 'allow this network to be extended' on the TC, and connection sharing is in bridge mode.



    This is probably the problem. I do not know how standard wireless network extension is. But I would expect it, or Apples' implementation, is not very standard. You might get better results if you had your TC be the DHCP server instead of your Netgear modem.
  • Reply 2 of 2
    nick_harambeenick_harambee Posts: 100member
    Quote:
    Originally Posted by aresee View Post


    This is probably the problem. I do not know how standard wireless network extension is. But I would expect it, or Apples' implementation, is not very standard. You might get better results if you had your TC be the DHCP server instead of your Netgear modem.



    thanks, i solved this problem by running the TC in 'Share a Public IP address mode' and using a different DHCP range (i.e. 10.0.0.1 rather than 192.168.0.1), which prevents a double NAT issue, and all seems to be working fine.
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