From ef3e622dc86cf8c23cb643a3c1850ca8edaec27a Mon Sep 17 00:00:00 2001 From: Holger Levsen Date: Thu, 30 Mar 2017 16:27:23 +0200 Subject: reproducible Debian: set eth's MTU to 1500 on boot, if it's not set to 1500 Signed-off-by: Holger Levsen --- hosts/rpi2c-armhf-rb/etc/rc.local | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'hosts/rpi2c-armhf-rb') diff --git a/hosts/rpi2c-armhf-rb/etc/rc.local b/hosts/rpi2c-armhf-rb/etc/rc.local index 7a3ac282..9248a7a7 100755 --- a/hosts/rpi2c-armhf-rb/etc/rc.local +++ b/hosts/rpi2c-armhf-rb/etc/rc.local @@ -42,6 +42,16 @@ fixup_shm() { chmod 1777 /dev/shm } +fixup_mtu() { + # only act on systems which have eth0 + if ip link show eth0 >/dev/null 2>&1 ; then + # if MTU != 1500 set it to 1500 + if [ "$(ip link show eth0 | sed -n '/LOOPBACK\|NOARP/!s/.* mtu \([0-9]*\) .*/\1/p' )" != "1500" ] ; then + ip link set dev eth0 mtu 1500 + fi + fi +} + # # init, notify about reboots # @@ -78,6 +88,10 @@ esac # fixup_shm +# +# fixup eth0's MTU if needed +fixup_mtu + # # put schroots on tmpfs for non debian hosts # -- cgit v1.2.3-70-g09d2