Issues getting Linksys E3000 working properly
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My original network setup used a ClarkeConnect linux install as a gateway on 192.168.0.1 with a Linksys E3000 on 192.168.0.254.
The dhcp server on the gateway worked with everything, including wireless clients on the E3000, and the network itself worked fine.
Now pfsense is installed in place of ClarkeConnect and it only partially works.
At first, nothing, wired or wireless, attached to the E3000 would get an ip from pfsense.
After I made a static dhcp server entry on pfsense for the E3000, with a static arp table entry as well, then wireless clients attached were able to get an ip.
Internet connectivity still would not work for the wireless clients.
Turning the dhcp leases for the wireless clients into static entries, with static arp entries as well, will then allow the wireless clients to work.
I don't understand why this is the case, and have seen nothing mentioned in anything I have read about getting a wireless AP to work on the lan. There must be something I am missing, or just don't understand.
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What you are describing should work fine… the "normal" config with a wireless access point should be something like...
pfSense setup as the gateway and DHCP server with WAN port connected to your ISP modem. AP connected to LAN interface on pfSense and LAN interface on AP. AP given a static address outside of the dynamically assigned range that is set in the DHCP server. On your e3000 (since it is really a router) you need to disable all routing functions (firewall, dhcp, port forwarding, etc.).
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That's just it, it does not work completely.
Devices connected to the E3000 at first could not get an IP until after I created a static dhcp entry in pfsense for the E3000 itself, giving it's mac id and ip of 192.168.0.254, with a static arp entry as well.
That worked only far enough enough to allow devices connected to the E3000 to then get an ip from pfsense, but not reach the internet.
Going back into pfsense after the device has been given an ip, and turning that dhcp entry into a static entry, with static arp entry as well, will then allow the device to reach the internet.
I have 3 other routers attached to pfsense, and all devices attached to them work fine, when it comes to the E3000, everything, including wired connections have issues unless a static dhcp/arp entry is made for them.
Since the linux install that pfsense replaced worked fine with this setup, I'm assuming I'm missing something in pfsense. If fact, pfsense is running on the same hardware, just a new drive since the old one died.