TP-Link requires a username and password to access this interface.
Even if you change the letters to numbers to get "161.168.1.1", you will likely still run into issues. In networking, IP addresses are split into two categories: public and private. 161.168.l.l tp link
The number 161 is a public IP address space. Home routers use specific private IP networks, almost always starting with 192 . The Correct IP Addresses for TP-Link TP-Link requires a username and password to access