Toggling ipv6 on or off resets ppp username

[aetonsi]

Device Model

DGA ( DGA4132 ) AGTHP_2.2.0 DGA4132 Version Cobalt (18.3.k)

Gui Version

9.5.41-8a0d8c04

Description of problem

Toggling IPV6 in the "Internet Access" card causes a reset of the ppp username to the default one (and hence disconnects from the internet), until i set it back to the previously set value.

How to reproduce (if possible)

Just enable or disable IPv6

Media/Photos (if possible)

before

after