<div dir="ltr"><div>I changed<span class="im"><br><br>neutron subnet-create --name public_subnet --enable_dhcp=False --allocation_pool start=10.16.37.225,end=10.16.<div>37.254 --gateway=10.16.37.1 public <a href="http://10.16.37.0/27" target="_blank">10.16.37.0/27</a><br><br></div></span>to<span class="im"><br><br>neutron subnet-create --name public_subnet --enable_dhcp=False --allocation_pool start=10.16.37.225,end=10.16.</span><div>37.254 --gateway=10.16.37.1 public <a href="http://10.16.37.0/27" target="_blank">10.16.37.0/24</a><br><br></div><div>and it successfully created.<br><br></div><div>But
 I'm still not able to ping to instance. I launched an instance using 
demo user. Defined custom TCP and custom ICMP rule in security policy.<br><br></div>Please help...<br><br>The error is<br>[root@localhost ~]# ping 10.16.37.228<br>PING 10.16.37.228 (10.16.37.228) 56(84) bytes of data.<br>From 10.16.37.222 icmp_seq=1 Destination Host Unreachable<br><br></div>10.16.37.228 is the floating IP address of instance.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 19, 2015 at 6:53 PM, Vedsar Kushwaha <span dir="ltr"><<a href="mailto:vedsarkushwaha@gmail.com" target="_blank">vedsarkushwaha@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I changed<span class=""><br><br>neutron subnet-create --name public_subnet --enable_dhcp=False --allocation_pool start=10.16.37.225,end=10.16.<div>37.254 --gateway=10.16.37.1 public <a href="http://10.16.37.0/27" target="_blank">10.16.37.0/27</a><br><br></div></span>to<span class=""><br><br>neutron subnet-create --name public_subnet --enable_dhcp=False --allocation_pool start=10.16.37.225,end=10.16.</span><div>37.254 --gateway=10.16.37.1 public <a href="http://10.16.37.0/27" target="_blank">10.16.37.0/24</a><br><br></div><div>and successfully created.<br><br></div><div>But I'm still not able to ping to instance. I launched an instance using demo user. Defined custom TCP and custom ICMP rule in security policy.<br><br></div><div>Please help...<br></div><br></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 19, 2015 at 6:43 PM, Vedsar Kushwaha <span dir="ltr"><<a href="mailto:vedsarkushwaha@gmail.com" target="_blank">vedsarkushwaha@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hi Jason <br></div>I followed the link<br><a href="http://community.redhat.com/blog/2015/01/rdo-quickstart-doing-the-neutron-dance/" target="_blank">http://community.redhat.com/blog/2015/01/rdo-quickstart-doing-the-neutron-dance/</a><br><div><br>And it struck at the command:<br>neutron subnet-create --name public_subnet --enable_dhcp=False --allocation_pool start=10.16.37.225,end=10.16.37.254 --gateway=10.16.37.1 public <a href="http://10.16.37.0/27" target="_blank">10.16.37.0/27</a><br><br>Bad Request (HTTP 400) (Request-ID: req-668832aa-67a1-4b0d-ad6e-7a2c8aae905f)<br><br></div><div>Can you please guide me, what should I do next?<br></div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Feb 18, 2015 at 11:57 PM, Jason Brooks <span dir="ltr"><<a href="mailto:jbrooks@redhat.com" target="_blank">jbrooks@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span><br>
<br>
----- Original Message -----<br>
> From: "Vedsar Kushwaha" <<a href="mailto:vedsarkushwaha@gmail.com" target="_blank">vedsarkushwaha@gmail.com</a>><br>
> To: "<a href="mailto:Rdo-list@redhat.com" target="_blank">Rdo-list@redhat.com</a>" <<a href="mailto:rdo-list@redhat.com" target="_blank">rdo-list@redhat.com</a>><br>
> Sent: Wednesday, February 18, 2015 10:13:20 AM<br>
> Subject: [Rdo-list] (no subject)<br>
><br>
> Can anyone explain me the meaning of below line taken from the page "<br>
> <a href="https://openstack.redhat.com/Neutron_with_existing_external_network" target="_blank">https://openstack.redhat.com/Neutron_with_existing_external_network</a>":<br>
><br>
> "You need to recreate the public subnet with an allocation range outside of<br>
> your external DHCP range and set the gateway to the default gateway of the<br>
> external network. "<br>
><br>
> My IP address is 10.16.37.222 and I'm on institute network with proxy.<br>
><br>
> What if I give allocation range from the external DHCP?<br>
<br>
</span>If the range from your external dhcp and the range for your floating IPs<br>
overlap, you can end up w/ multiple machines getting the same IP.<br>
<span><br>
><br>
> Also guide me some good links to setup the network of openstack. The<br>
> default network I got after rdo installation is <a href="http://172.24.4.0/24" target="_blank">172.24.4.0/24</a>.<br>
<br>
</span>This may help you:<br>
<br>
<a href="http://community.redhat.com/blog/2015/01/rdo-quickstart-doing-the-neutron-dance/" target="_blank">http://community.redhat.com/blog/2015/01/rdo-quickstart-doing-the-neutron-dance/</a><br>
<br>
Regards, Jason<br>
<span><br>
<br>
> --<br>
> Vedsar Kushwaha<br>
> M.Tech-Computational Science<br>
> Indian Institute of Science<br>
><br>
</span>> _______________________________________________<br>
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</blockquote></div><br><br clear="all"><br>-- <br><div><div dir="ltr"><div><div dir="ltr">Vedsar Kushwaha<div>M.Tech-Computational Science</div><div>Indian Institute of Science</div></div></div></div></div>
</div>
</div></div></blockquote></div><br><br clear="all"><br>-- <br><div><div dir="ltr"><div><div dir="ltr">Vedsar Kushwaha<div>M.Tech-Computational Science</div><div>Indian Institute of Science</div></div></div></div></div>
</div>
</div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Vedsar Kushwaha<div>M.Tech-Computational Science</div><div>Indian Institute of Science</div></div></div></div></div>
</div>