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I sometimes have to switch between two WiFi networks on my Windows 7 machine, A (192.168.1.*) and B (192.168.3.*). Both networks use DHCP and my network properties are set to use a DHCP address ("Obtain an IP address automatically").

Most of the time I'm connected to network A. When I connect to network B my IP address from network A (192.168.1.123) remains, so of course, I cannot connect to anything until I manually run ipconfig /release and ipconfig /renew to get an IP on the network B subnet. This is quite annoying! How do I get this to happen automatically?

When I connect back to network A, or to any other WiFi network, my IP address is assigned from DHCP automatically, as expected.

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  • Are you using these two wifi connections as separate networks, or to extend one network?
    – K.Dᴀᴠɪs
    Feb 15, 2018 at 16:41
  • Do the networks have different names (SSIDs)?
    – u1686_grawity
    Feb 15, 2018 at 16:48
  • @grawity Yes they have different SSIDs.
    – EM0
    Feb 16, 2018 at 11:10
  • @K.Davis I'm not sure what you mean by "extend one network". They connect to different subnets on the same physical network with the same router - but my machine wouldn't know that.
    – EM0
    Feb 16, 2018 at 11:10
  • Why not configure the second router as repeater and keep the original IPs across the whole network ?
    – Overmind
    Feb 16, 2018 at 13:14

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