I tried to click the screenshot result to the no detailed data page opened.:(

ER5120 can support the load balance feature while no concentration enabled, which means we cannot just regard 3 connection as 1 to increase the Internet speed.

the latest firmware for ER6120 has optimized the function for L2TP over IPSec VPN, maybe you can upgrade this one to have a try.

the index for the virtual server entry is defined by the firmware and i'm afraid we cannot expand this value. Maybe you can set more port segment so as to to decrease the number of entries.

according to the instruction on the website of TP-LINK, i think version 1.X still belongs to V1. For example, if your camera is POE class 3, SF1008P may output the maximum power within class 3 as...

from the datasheet and the feature in website, this model cannot support 802.3ad support. As it mentioned this will be added in further firmware update, maybe you can just wait, otherwise some other...