CSEC_PUBLIC/securityonion
1
0
Fork 0
mirror of https://github.com/Security-Onion-Solutions/securityonion.git synced 2025-12-06 17:22:49 +01:00
Code Issues Packages Projects Releases Wiki Activity

Setup Script - Do something with the MTU

Browse Source
This commit is contained in:
Mike Reeves
2018-11-29 08:25:37 -05:00
parent be69d3629c
commit 15e2424dc8
1 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
so-setup-network.sh
View File

@@ -207,6 +207,11 @@ create_bond() {
# Create the bond interface
echo "Setting up Bond"
# Set the MTU
if [ $NSMSETUP != 'ADVANCED' ]; then
MTU=1500
fi
# Do something different based on the OS
if [ $OS == 'centos' ]; then
modprobe --first-time bonding
@@ -218,6 +223,7 @@ create_bond() {
echo "BOOTPROTO=none" >> /etc/sysconfig/network-scripts/ifcfg-bond0
echo "BONDING_OPTS=\"mode=0\"" >> /etc/sysconfig/network-scripts/ifcfg-bond0
echo "ONBOOT=yes" >> /etc/sysconfig/network-scripts/ifcfg-bond0
echo "MTU=$MTU" >> /etc/sysconfig/network-scripts/ifcfg-bond0
# Create Bond configs for the selected monitor interface
for BNIC in ${BNICS[@]}; do
@@ -226,6 +232,7 @@ create_bond() {
sed -i 's/ONBOOT=no/ONBOOT=yes/g' /etc/sysconfig/network-scripts/ifcfg-$BONDNIC
echo "MASTER=bond0" >> /etc/sysconfig/network-scripts/ifcfg-$BONDNIC
echo "SLAVE=yes" >> /etc/sysconfig/network-scripts/ifcfg-$BONDNIC
echo "MTU=$MTU" >> /etc/sysconfig/network-scripts/ifcfg-$BONDNIC
done
nmcli con reload
systemctl restart network
@@ -270,6 +277,7 @@ create_bond() {
echo " post-up ethtool -G \$IFACE rx 4096; for i in rx tx sg tso ufo gso gro lro; do ethtool -K \$IFACE \$i off; done" >> /etc/network/interfaces.d/$BNIC
echo " post-up echo 1 > /proc/sys/net/ipv6/conf/\$IFACE/disable_ipv6" >> /etc/network/interfaces.d/$BNIC
echo " bond-master bond0" >> /etc/network/interfaces.d/$BNIC
echo " mtu $MTU" >> /etc/network/interfaces.d/$BNIC
done
@@ -279,6 +287,7 @@ create_bond() {
echo "iface bond0 inet manual" >> /etc/network/interfaces.d/bond0
echo " bond-mode 0" >> /etc/network/interfaces.d/bond0
echo " bond-slaves $BN" >> /etc/network/interfaces.d/bond0
echo " mtu $MTU" >> /etc/network/interfaces.d/bond0
echo " up ip link set \$IFACE promisc on arp off up" >> /etc/network/interfaces.d/bond0
echo " down ip link set \$IFACE promisc off down" >> /etc/network/interfaces.d/bond0
echo " post-up ethtool -G \$IFACE rx 4096; for i in rx tx sg tso ufo gso gro lro; do ethtool -K \$IFACE \$i off; done" >> /etc/network/interfaces.d/bond0