RE450 (V1) not connection to Archer C7 (v2) after firmware upgrades

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RE450 (V1) not connection to Archer C7 (v2) after firmware upgrades

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
RE450 (V1) not connection to Archer C7 (v2) after firmware upgrades
RE450 (V1) not connection to Archer C7 (v2) after firmware upgrades
2019-05-07 11:57:12
Model: Archer C7  
Hardware Version: V2
Firmware Version: 3.15.3 Build 180114 Rel.39265n

About 5 weeks ago - I upgraded my Archer C7 (v2) to the current firmware (3.15.3 Build 180114 Rel.39265n).   I also realized during the C7 firmware upgrade that my TP-LINK  RE-450 (v1) extender also had outdated firmware - so I upgraded that as well (1.0.0 Build 20171215 Rel. 55534) - not too long after the firmware upgrades I realized the RE450 was NOT connecting to the router on the 5ghz link - after much wasted time with TP-LINK phone support -  I found that when I turned the C7's  MAC filter off - the 5ghz link would connect between the router & extender.  This does not duplicate with the 2.4ghz link - it will connect whether MAC filtering is enabled, or not.

 

Additionally, if 5ghz MAC filtering is enabled on the C7 - any device (Android, Apple, Windows) can connect directly to the C7 and the same for the RE450 if its MAC filtering is enabled (whitelist) - however, the RE450 & C7 will not make a 5ghz connection. So I bought a Netgear Nighthawk AC2200 range extender to test - and it connected perfectly to the C7 with MAC filtering enabled (or disabled) thus it appears there is a firmware conflict  between the RE450 and  C7 when used in conjunction and MAC filtering enabled (only on 5ghz).  

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Re:RE450 (V1) not connection to Archer C7 (v2) after firmware upgrades
2019-05-07 16:58:59 - last edited 2019-05-08 17:23:49

@Sonic 

 

It seems you were already in contact with our support team. The issue was the virtual MAC address the extender changed for the connected device was not updated on the router MAC filtering so it was blocking the 5Ghz band.

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