[pox-dev] SDN

[shads s]

Hello All,

I have tried to execute misc.ip_loadbalancer example along with mininet.
But I am not able to ping between hosts. When i do a tcpdump -i s1-eth1 -n
i can see only ARP request packets going to the servers but no reply
packets coming back to the clients. I dont know what is the error. Kindly
advise.



*Following is the output of
POX:---------------------------------------------*./pox.py
misc.ip_loadbalancer --ip=10.1.2.3
--servers=10.0.0.5,10.0.0.6,10.0.0.7,10.0.0.8
POX 0.2.0 (carp) / Copyright 2011-2013 James McCauley, et al.
INFO:core:POX 0.2.0 (carp) is up.
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 10.0.0.5 up
INFO:iplb.00-00-00-00-00-01:Server 10.0.0.6 up
INFO:iplb.00-00-00-00-00-01:Server 10.0.0.7 up
INFO:iplb.00-00-00-00-00-01:Server 10.0.0.8 up


*Mininet Network details:*
*-----------------------------------*
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
h7 h7-eth0:s1-eth7
h8 h8-eth0:s1-eth8
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 s1-eth7:h7-eth0 s1-eth8:h8-eth0
c0



*TCPDUMP logs:------------------------*
# tcpdump -i s1-eth1 -n
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on s1-eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
12:24:31.983329 IP 10.0.0.1 > 10.0.0.5: ICMP echo request, id 6952, seq 8,
length 64
12:24:32.983326 IP 10.0.0.1 > 10.0.0.5: ICMP echo request, id 6952, seq 9,
length 64
12:24:33.056225 ARP, Request who-has 10.0.0.7 (Broadcast) tell 10.1.2.3,
length 28
12:24:33.983326 IP 10.0.0.1 > 10.0.0.5: ICMP echo request, id 6952, seq 10,
length 64
12:24:34.350903 ARP, Request who-has 10.0.0.8 (Broadcast) tell 10.1.2.3,
length 28

Thanks
Sharadhi


On Thu, Apr 10, 2014 at 11:05 AM, Weiyang Mo <moweiyang1988 at gmail.com>wrote:

> Hi,
>
> You may refer to misc.ip_loadbalancer in pox folder.
>
> Weiyang
>
>
> 2014-04-09 22:29 GMT-07:00 shads s <shasi0625 at gmail.com>:
>
> Hello all
>>
>> I am new to networking and SDN.
>> Although I have tried few examples in mininet using POX controller, I
>> need guidance in executing a simple Loadbalancer.
>> Hoping to get some solution
>>
>> Thanks
>> Sharadhi
>>
>
>
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