Srinivas, you can also look at the following blog which explains how to
debug networking issues.
Its a bit old one referring to quantum, but explains the concepts well.
http://techbackground.blogspot.in/2013/05/debugging-quantum-dhcp-and-open-vswitch.html
Regards,
--Sridhar.
On 09/15/2014 09:26 PM, Jay Pipes wrote:
On 09/15/2014 07:04 AM, Srinivasreddy R wrote:
hi,
i have launched two instances using icehouse istall guide for 3 node
setup .
both instances are accessible to each other .
but not able to access from host compute node ..
how can i proceed further ..
i have attached ifconfig of my compute host and my instance ip s are
192.168.1.12, 192.168.1.14
Please pastebin your iptables output. I suspect the above is actually
the correct and desired behaviour. IIRC, by default, you are not be
able to connect to a VM's private IPs from the compute node itself due
to security group rules manifested as iptables rules on the compute
node, but you *can* from the network node (i.e. the node that is
running the neutron L3 agent) via the network namespace associated
with the instance.
Best,
-jay
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