Sunday, May 27, 2012

OpenVSwitch Installation Notes: OpenFlow Toolbelt

In the lab, I quite often find my self installing Open vSwitch instances, configuring network parameters for certain functionality and probing network interfaces to check connectivity. You know, the daily routines in an OpenFlow research laboratory. To ease the workflow, I put together a small toolbelt.

$ of-toolbelt.sh
Usage: of-toolbelt.sh <ACTION>
Actions: ofctl
         vsctl
         vswitchd
         insmod
         db_create
         db_start
         get_controller
         set_controller
         del_controller
         get_dpid
         set_dpid
         get_stp
         set_stp
         dl_ovs
         install_ovs
         ethtool_help
         arping_help
$ of-toolbelt.sh dl_ovs
$ of-toolbelt.sh install_ovs openvswitch-1.4.1.tar.gz
$ of-toolbelt.sh db_create
$ of-toolbelt.sh db_start
$ of-toolbelt.sh vsctl add-br br0
$ of-toolbelt.sh set_dpid br0 1
$ of-toolbelt.sh get_dpid br0
"0000000000000001"
$ of-toolbelt.sh get_stp br0
false
$ of-toolbelt.sh set_stp br0 true
$ of-toolbelt.sh insmod
$ of-toolbelt.sh vswitchd
$ of-toolbelt.sh ethtool_help
ethtool eth0
ethtool -s eth0 speed 10 duplex full autoneg off
ethtool -s eth0 autoneg on
ethtool -s eth0 autoneg on adver 0x001    # 10 Half
                                 0x002    # 10 Full
                                 0x004    # 100 Half
                                 0x008    # 100 Full
                                 0x010    # 1000 Half(not supported by IEEE standards)
                                 0x020    # 1000 Full
                                 0x8000   # 2500 Full(not supported by IEEE standards)
                                 0x1000   # 10000 Full
                                 0x03F    # Auto
$ sudo ethtool -s eth0 speed 10 duplex half autoneg off
$ of-toolbelt.sh vsctl add-port br0 eth0

You can find the sources in the following gist. Feel free to use it for your own purpose. (Free as in free beer.) No need to say but here it goes: Comments/Contributions are highly welcome.

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