The providers set this on their side and we should not use
any defaults because selecting those is just unfounded and
arbitrary.
Fixes #11071
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
HOOK_SETTINGS="${HOOK_SETTINGS} MONITOR_DEVICE"
# Maximum transmission unit.
-MTU=1492
+MTU=
HOOK_SETTINGS="${HOOK_SETTINGS} MTU"
# User credentials.
SERVICE_NAME=""
# Maximum Transmission Unit.
-# 1492 is a very common value for that.
-MTU=1492
+MTU=
# This hook can work with all authentication methods supported by pppd.
PPPOE_SUPPORTED_AUTH_METHODS="${PPP_SUPPORTED_AUTH_METHODS}"