[pox-dev] executing the ip_loadbalancer

[Murphy McCauley]

And you're running the iperf server on 10.0.0.1 and 10.0.0.2?  And where are you running the client from?  With what commandline?

-- Murphy

On Apr 23, 2014, at 10:49 PM, shads s <shasi0625 at gmail.com> wrote:

> Hello all,
> 
> Actually from last few days I am trying to run ip_loadbalancer example using POX and mininet. 
> After introducing TCP flow using iperf in mininet, it is showing "DEBUG:iplb.00-00-00-00-00-01:No client for (IPAddr('10.0.0.2'), IPAddr('10.0.0.6'), 56422, 5001)".
> Even tcpdump shows only ARP request packets.
> 
> It will be great help if you send me the steps to run ip_loadbalancer. 
> 
> Below is the mininet topology:
> mininet> net
> h1 h1-eth0:s1-eth1
> h2 h2-eth0:s1-eth2
> h3 h3-eth0:s1-eth3
> h4 h4-eth0:s1-eth4
> h5 h5-eth0:s1-eth5
> h6 h6-eth0:s1-eth6
> s1 lo:  s1-eth1:h1-eth0 s1-eth2:h2-eth0 s1-eth3:h3-eth0 s1-eth4:h4-eth0 s1-eth5:h5-eth0 s1-eth6:h6-eth0
> c0
> 
> Below is the POX output when TCP flow start using "iperf h2 h6" in Mininet:
> [root at localhost pox]# ./pox.py log.level --DEBUG misc.ip_loadbalancer --ip=10.1.2.3 --servers=10.0.0.1,10.0.0.2
> POX 0.2.0 (carp) / Copyright 2011-2013 James McCauley, et al.
> DEBUG:core:POX 0.2.0 (carp) going up...
> DEBUG:core:Running on CPython (2.7.5/Feb 19 2014 13:47:40)
> DEBUG:core:Platform is Linux-3.13.10-200.fc20.i686+PAE-i686-with-fedora-20-Heisenbug
> INFO:core:POX 0.2.0 (carp) is up.
> DEBUG:openflow.of_01:Listening on 0.0.0.0:6633
> INFO:openflow.of_01:[00-00-00-00-00-01 1] connected
> INFO:iplb:IP Load Balancer Ready.
> INFO:iplb:Load Balancing on [00-00-00-00-00-01 1]
> INFO:iplb.00-00-00-00-00-01:Server 10.0.0.2 up
> INFO:iplb.00-00-00-00-00-01:Server 10.0.0.1 up
> DEBUG:iplb.00-00-00-00-00-01:No client for (IPAddr('10.0.0.2'), IPAddr('10.0.0.6'), 56422, 5001)
> DEBUG:iplb.00-00-00-00-00-01:No client for (IPAddr('10.0.0.2'), IPAddr('10.0.0.6'), 56422, 5001)
> DEBUG:iplb.00-00-00-00-00-01:No client for (IPAddr('10.0.0.2'), IPAddr('10.0.0.6'), 56422, 5001)
> DEBUG:iplb.00-00-00-00-00-01:No client for (IPAddr('10.0.0.2'), IPAddr('10.0.0.6'), 56422, 5001)
> DEBUG:iplb.00-00-00-00-00-01:No client for (IPAddr('10.0.0.2'), IPAddr('10.0.0.6'), 56422, 5001)
> DEBUG:iplb.00-00-00-00-00-01:No client for (IPAddr('10.0.0.2'), IPAddr('10.0.0.6'), 56422, 5001)
> 
> 
> TCPDUMP output:
> 
> 17:52:29.244757 ARP, Request who-has 10.0.0.1 (Broadcast) tell 10.1.2.3, length 28
> 17:52:31.760936 ARP, Request who-has 10.0.0.2 (Broadcast) tell 10.1.2.3, length 28
> 17:52:32.067594 IP6 fe80::dc3a:bdff:feb7:4b58 > ff02::2: ICMP6, router solicitation, length 8
> 17:52:34.293540 ARP, Request who-has 10.0.0.1 (Broadcast) tell 10.1.2.3, length 28
> 17:52:36.809811 ARP, Request who-has 10.0.0.2 (Broadcast) tell 10.1.2.3, length 28
> 17:52:39.355686 ARP, Request who-has 10.0.0.1 (Broadcast) tell 10.1.2.3, length 28
> 17:52:41.886370 ARP, Request who-has 10.0.0.2 (Broadcast) tell 10.1.2.3, length 28
> 
> Thanks & Regards,
> Shads

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