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how can I get airport express to work on /31 subnet?

Posted on 2014-07-23
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Last Modified: 2016-06-05
255.255.255.254
This is my ISP subnet. Airport picking up perfectly DHCP details- shows green light but unfortunately not 'passing' any internet traffic.
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Question by:prfraczek
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by:smckeown777
ID: 40214284
Is it setup as a 'router'? I'm not that familiar with this product but its designed as an 'access point' so you may need to configure it to be in 'router' mode to allow devices connecting to it to get internet...

Is this a new device or a new connection to your ISP? Meaning have you had this working before?
So you have this device and its connected to the ISP's modem I assume?
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by:Akinsd
ID: 40215349
Please verify the subnet mask
/31 only allows 2 IP addresses,
I think your subnet mask should be /30 which is a normal point to point link. That allows 2 hosts, 1 network ID and 1 broadcast  
You will then have 1 IP while the ISP has the 2nd available IP
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prfraczek earned 0 total points
ID: 40215379
correct /31 - 255.255.255.254 and airport express not working. I've asked them (my provider) to change it to /29 - 255.255.255.248 and everything is up and running.
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by:Craig Beck
ID: 40215435
The Airport doesn't support a /31.
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