Network expansion leads to erratic behavior

Here is my set upwards.  I have an Airport Extreme w/Time Capsule as my main router.   It is connected to a switch via ethernet.  My switch Cat6 cable goes in another Airport Extreme base station (on the WAN port) on the other end of the House.  I have used additional ethernet ports on this 2nd AE to connect to another PC.  I've set up the 2nd Airport Extreme as a "extend a wireless network.  This worked great until recently.  Both the Airport extreme has the 7.7.7 and 7.6.7 applied firmware update and since then, everything went to pot.

In the above scenario, I have very slow/limited/no wired and wireless connectivity.  When I do the 2nd AE just another switch by disabling its functionality wireless, everything works perfectly.  But once I turn on wireless, I lose connectivity on the two AE intermittently.  I'm starting to think that there is an IP address conflict or a kind of "collision" is going on, but do not know how to fix.

Any suggestions?  I also disabled the IPv6.  This has had no effect

AirPort Extreme which extends the network should NOT be configured to "extend a wireless network.  This parameter is used only when the airport connects to another airport use wireless... not Ethernet.

In other words, if you have set up the AirPort Extreme to "extend a wireless network" and you try to connect an Ethernet cable to the device, which will create a massive feedback loop that crashes the network quite well.

The right setting for the AirPort Extreme is "create a wireless network" which uses the exact same wireless network name and password as the Time Capsule network.  As a final step, make sure that the AirPort Extreme is set in Bridge Mode... before update you to save the new settings.

Might be easier all over again and reset the AirPort Extreme back to default settings and then use Apple installation "Wizard" to configure AirPort Extreme. Other that by assigning a name to the device, the wizard will take care of all the other parameters to automatically.

During installation, you will notice the display shows that the airport is set to "extend aid to Ethernet". But, if you go back after the installation and check the settings, you will see that the airport has been configured to "create a wireless network.

Tags: Wireless

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