I don't know anything about anything having a predefined capacity of 10GBps. Are you talking about iperf? At least on my system, I was getting upwards of 20GBps.
-- Murphy On Apr 24, 2014, at 2:16 AM, shads s <shasi0...@gmail.com> wrote: > Hello > > Yes I am able to execute this example and getting the same output. Thank you. > I observed through the example that the server has a predefined capacity of > 10Gbps. > Is there any way to configure server bandwidth? > > > On Thu, Apr 24, 2014 at 11:54 AM, Murphy McCauley <murphy.mccau...@gmail.com> > wrote: > Ah, see inline. > > On Apr 23, 2014, at 11:02 PM, Murphy McCauley <murphy.mccau...@gmail.com> > wrote: > >> 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 <shasi0...@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: > > I don't think that makes any sense. Do you mean "h2 iperf h6"? That doesn't > make any sense either. h2 is one of the *servers* in this case. You want to > be running the iperf client from somewhere *else* and have it *access* the > servers. And you don't want to be using one of the servers' actual addresses > anyway -- you want to be using the "virtual" load balancer address -- > 10.1.2.3. > > I just fired up Mininet with single,3 topology, opened xterms for all three > hosts, and ran the servers in h1 and h2 with iperf -s. Then I ran iperf -c > 10.1.2.3 in h3 several times and saw it go to both h1 and h2. Seems to work > fine for me. Could also have probably run that as "h3 iperf 10.1.2.3" from > the mininet prompt, but I already was opening xterms anyway. > > -- Murphy > > >>> [root@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 >> > >