How to set the MTU to 1200 in The DB node

grep -q '^MTU=' /etc/sysconfig/network-scripts/ifcfg-eth0 && \ sudo sed -i 's/^MTU=.*/MTU=1200/' /etc/sysconfig/network-scripts/ifcfg-eth0 || \ echo 'MTU=1200' | sudo tee -a /etc/sysconfig/network-scripts/ifcfg-eth0