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opx-vport.sh
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opx-vport.sh
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#!/bin/bash
# Copyright (c) 2018 Dell Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR
# CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
# LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS
# FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
#
# See the Apache Version 2.0 License for specific language governing
# permissions and limitations under the License.
# This files creates a separate network name space for simulated front panel ports.
# It renames standard network interfaces to 'vport<N>', and sets the default state to 'down'
IFNAME="$1"
MGMTIF="eth0"
IFPREFIX="eth"
VNICPREFIX="vport"
# Virtual front panel ports namespace
SIMNS="vportnetns"
echo "Creating namespace ${SIMNS}"
/sbin/ip netns add ${SIMNS}
/sbin/ip netns exec ${SIMNS} /sbin/ip link set dev lo up
IFLIST=`find /sys/class/net/ -name "eth*" -printf " %f"`
for IFNAME in ${IFLIST/$MGMTIF/}; do
VNIC="${IFNAME/$IFPREFIX/$VNICPREFIX}"
echo "Move $IFNAME to ${SIMNS}::$VNIC"
/sbin/ip link set dev ${IFNAME} down
/sbin/ip link set dev ${IFNAME} name ${VNIC}
/sbin/ip link set dev ${VNIC} promisc on
/sbin/ip link set dev ${VNIC} netns ${SIMNS}
if [ $? -ne 0 ]; then
echo "Cannot move $IFNAME to ${SIMNS}::$VNIC"
fi
done