4Address is Not Supported neither on my Host PC nor on the VM

[Osama Abu Hamdan]

Greetings,

I am trying to use 4address to connect APs to each other.

I tried to locally and on the VM but neither worked.

Supported interface modes:
                 * IBSS
                 * managed
                 * AP
                 * AP/VLAN
                 * monitor
                 * mesh point
                 * P2P-client
                 * P2P-GO

Should I follow this video to enable WDS?

https://www.youtube.com/watch?v=a27qWHO8JDM

If yes, examples/wds is not there anymore.

Or do you suggest any other thing?

Best

[Ramon Fontes]

> I am trying to use 4address to connect APs to each other.

> I tried to locally and on the VM but neither worked.

Please explain your statement further.

> Supported interface modes:

                 * IBSS
                 * managed
                 * AP
                 * AP/VLAN
                 * monitor
                 * mesh point
                 * P2P-client
                 * P2P-GO

from which interface?

> Should I follow this video to enable WDS?

No!

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[Osama Abu Hamdan]

Ignore the previous one please.

I found the problem, but It's more confusing now.

In this line:

    net.addLink(ap1, ap3, cls=_4address, port1=1, port2=1)

I want to connect ap1-ap3 separelty from ap1-ap2, this is why I want to use (port1=2, port2=1) to setup wlan3 to be used as the manager for this ap1-ap3 connection.

It seems that this is not an allowed behavior to have in one ap two managers.

Is it from mininet-wifi code? Because I don't see anything that prevent it from IW.

Full code:

def myNetwork():
    net = Mininet_wifi(link=wmediumd,
                       wmediumd_mode=interference,
                       autoSetMacs=True, config4addr=True,
                       ipBase='10.0.0.0/8')

    info('*** Adding controller\n')
    c0 = net.addController(name='c0',
                           controller=RemoteController,
                           ip='172.17.0.2',
                           protocol='tcp',
                           port=6653)

    info('*** Add switches/APs\n')
    ap_configs = dict(protocols="OpenFlow13", cls=OVSKernelAP, ssid='ap1-ssid', channel='1', mode='g')
    ap1 = net.addAccessPoint('ap1', ssid='ap1-ssid', position='505.0,390.0,0', wlans=3, **ap_configs)
    ap2 = net.addAccessPoint('ap2', ssid='ap2-ssid', position='750.0,383.0,0', wlans=2, **ap_configs)
    ap3 = net.addAccessPoint('ap3', ssid='ap3-ssid', position='632.0,602.0,0', wlans=2, **ap_configs)

    info('*** Add hosts/stations\n')
    sta1 = net.addStation('sta1', ip='10.0.0.1', position='329.0,212.0,0', range=120)
    sta2 = net.addStation('sta2', ip='10.0.0.2', position='931.0,239.0,0', range=120)
    sta3 = net.addStation('sta3', ip='10.0.0.3', position='627.0,836.0,0', range=120)

    info("*** Configuring Propagation Model\n")
    net.setPropagationModel(model="logDistance", exp=3)

    info("*** Configuring wifi nodes\n")
    net.configureWifiNodes()

    net.addLink(ap1, ap2, cls=_4address, port1=1, port2=1)
    net.addLink(ap1, ap3, cls=_4address, port1=1, port2=1)

    info('*** Add links\n')

    net.plotGraph(max_x=1500, max_y=1500)

    info('*** Starting network\n')
    net.build()
    info('*** Starting controllers\n')
    for controller in net.controllers:
        controller.start()

    info('*** Starting switches/APs\n')
    net.get('ap1').start([c0])
    net.get('ap2').start([c0])
    net.get('ap3').start([c0])

    info('*** Post configure nodes\n')

    CLI(net)
    net.stop()

[Ramon Fontes]

I didn't implement multiple interfaces for 4-address. PR are welcome! :)