VPN GLobal Protect on BSNL BroadBand FTTH Issue Solved

I have faced this issue with global protect over the BSNL broadband FTTH (Fiber to the home) connections via ONT (Optical Network Termination). In Linux OS use below mentioned code snippet to rectify this.

$ ifconfig | grep "mtu"
$ sudo ifconfig wlp5s0 mtu 1460 up