[FS#1259] PPPoE disconnects under high upstream load

[LEDE Bugs]

The following task has a new comment added:

FS#1259 - PPPoE disconnects under high upstream load
User who did this - Felix Fietkau (nbd)

----------
The relevant option is already set by default since some time around 2014.
----------

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=1259#comment4455