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networking: Correctly set MTU on all bridges

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Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
This commit is contained in:
Michael Tremer
2022-03-28 16:55:20 +00:00
parent 80a477466c
commit 90c988a6ee
1 changed files with 10 additions and 1 deletions
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11
config/udev/network-hotplug-bridges
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@@ -80,11 +80,17 @@ MODE="$(get_value "${ZONE}_MODE")"
# The name of the virtual bridge
BRIDGE="$(get_value "${ZONE}_DEV")"
MTU="$(get_value "${ZONE}_MTU")"
STP="$(get_value "${ZONE}_STP")"
STP_PRIORITY="$(get_value "${ZONE}_STP_PRIORITY")"
case "${MODE}" in
bridge)
# Set default MTU if nothing is set
if [ -z "${MTU}" ]; then
MTU=1500
fi
# We need to check if $STP_PRIORITY has a valid value if not set it
if [ -z "${STP_PRIORITY}" ]; then
STP_PRIORITY=16384
@@ -95,7 +101,7 @@ case "${MODE}" in
# We need to create the bridge if it doesn't exist, yet
if [ ! -d "/sys/class/net/${BRIDGE}" ]; then
ip link add "${BRIDGE}" address "${ADDRESS}" type bridge \
ip link add "${BRIDGE}" address "${ADDRESS}" mtu "${MTU}" type bridge \
$([ "${STP}" = "on" ] && echo "stp_state 1 priority ${STP_PRIORITY}" )
#ip link set "${BRIDGE}" up
fi
@@ -105,6 +111,9 @@ case "${MODE}" in
iw dev "${INTERFACE}" set type __ap
fi
# Attempt to set the MTU
ip link set dev "${INTERFACE}" mtu "${MTU}"
# Attach the physical device
logger "Attach ${INTERFACE} to ${BRIDGE}"
ip link set dev "${INTERFACE}" master "${BRIDGE}"