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Forum Discussion
DHCP not working when connected to 5Ghz on EX7000 extender
I have a weird issue with DHCP on the 5Ghz band.
I am using the EX7000 as an extender to a CISCO E4200 which is the DHCP server. I extend both 2.4 and 5 Ghz bands. I have configured the DHCP server for a reduced range of address (a.b.c.100 to a.b.c.130)
On the Cisco, I can connect any device at will on the 2.4 or 5.8 Ghz networks.
On the Netgear Ex7000 extander, it is more tricky.
On the 2..4 Ghz, i can connect any device on the extender and it will be assigned an address within seconds.
On the 5 Ghz band, it is more unreliable. If I force a device to move from the 2.4 Ghz SSID to the 5 Ghz one, most of the time, the DHCP request will timeout after a minute or so and revert back to 2.4 Ghz. SOmetimes it will work.
Any idea how to get that to work ? Both the Cisco Router and the EX7000 are loaded with the latest firmware available.
2 Replies
It would be nice if someone from Netgear answered this.
i have the same problem, plus another. My TV had no problem getting an IP address through dhcp via the EX7000, but none of my iDevices will get a DHCP assigned address. They will access the internet when assigned a static ip.
everything else on my network works flawlessly. Suggestions?
Router is a Linksys WRT 1900AC
I spent a while running tests in this issue.
I do not have a solution but I isolated the issu e more
- if I setup fast lane 2.4g to 5.1g on the extender, i have no issues getting an IP address. Same if I reverse the frequency bands. Thus it is not an issue with the radios configuration, interference, blocking of protocol. It really has to do with running dual band extension.
Next step of investigation would be running wireshark and capture dhcp traffic and see where it fails. That could provide interesting info to the source of the issue, but not a fix.
