@ken22 Hi Your PC can ping 8.8.8.8, it should be able to access internet as well. So you can ping 8.8.8.8 even if the PC shows no internet? If so, please try to ping google.com. If you can ping...

@Carlos_Ramirez This is a international community. It's recommended to use English. Do you mean that you client cannot access each other when the routr offline? If yes, you should check if your...

@Tony_Tony Hi Tony Firstly I don't suggest to connect the switch like unit1----unit2----unit3----unit4. Because if unit1 offline, other switches cannot work. If unit4 need to access network, it needs...

@ken22 Hi ken22 In addition to web filter, did you set any access control item? When your PC shows no internet access, please check if your PC has IP address and whether can ping its gateway, DNS...

NAT Transversal is the feature that designed to solve the problems inherent in using IPSec with NAT. As I know, TP-Link VPN router enable this feature by default. IPsec VPN need to set many...

Can you access the bootutil for T2600? If yes, you can try to reset the switch or upgrade the firmware. Please note that T2600 V1 can upgrade from V1 to V2/V3,