+
+ # By default, configure the MTU of the management interface to the
+ # conservative value of 1500: this will reduce the risk to get an
+ # unmanageable VM in some setups.
+ #
+ # To set the MTU to a different value, configure the INTF_MGMT_MTU variable
+ # in /etc/nfvbenchvm.conf. If INTF_MGMT_MTU is set to the special value
+ # "auto", the MTU will not be configured and it will keep the value set by
+ # the hypervisor ("legacy" nfvbenchvm behavior). If INTF_MGMT_MTU is unset,
+ # the MTU will be set to 1500. In other cases, the MTU will be set to the
+ # value of INTF_MGMT_MTU.
+ #
+ if [[ -z "$INTF_MGMT_MTU" ]]; then
+ ip link set $ETH_PORT mtu 1500
+ elif [[ "$INTF_MGMT_MTU" != "auto" ]]; then
+ ip link set $ETH_PORT mtu $INTF_MGMT_MTU
+ fi
+