<div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;color:rgb(68,68,68)">Alternatively can we use a bridge to attach the nic interfaces(of n number of virtual machines) ?</div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(68,68,68)">If yes then is there any specific neutron command to add a bridge and attach nics to it, this is required since as far as i know nova needs a network to spawn an instance.</div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(68,68,68)"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(68,68,68)">if there is no specific neutron command to add bridge is there any plugin for that ( ML2 ?? )?</div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(68,68,68)">..</div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 16, 2017 at 11:21 PM, Kevin Benton <span dir="ltr"><<a href="mailto:kevin@benton.pub" target="_blank">kevin@benton.pub</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">If it's to carry some non-ethernet traffic you will need to setup a tunnel between the VMs yourself with L2TP or something similar.</div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 16, 2017 at 10:47 AM, Vivek Nirala <span dir="ltr"><<a href="mailto:nirala.vivek@gmail.com" target="_blank">nirala.vivek@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="auto">The connection should be like normal Ethernet wire connection, just like we plug an Ethernet wire between two hosts (Host1)nic---etherrnetwire---n<wbr>ic(Host2).<div dir="auto"><br></div></div><div class="m_-3835003311838663853HOEnZb"><div class="m_-3835003311838663853h5"><div class="gmail_extra"><br><div class="gmail_quote">On 16-Mar-2017 4:40 PM, "Kevin Benton" <kevin@benton.pub> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">What kind of cable? What protocol will be carried over it? <div dir="auto"><br></div><div dir="auto">Traffic between VMs on different hosts needs to be encapsulated by a protocol like GRE or VXLAN to carry it over the real network so that imposes some limitations on emulating a 'direct wire'. </div><div dir="auto"><br></div><div dir="auto">If you need to carry some other l2 protocol between two VMs, I suggest that you just establish and L2TP connection between the hypervisors. </div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mar 16, 2017 03:56, "Vivek Nirala" <<a href="mailto:nirala.vivek@gmail.com" target="_blank">nirala.vivek@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div style="font-family:georgia,serif;color:rgb(68,68,68)">I want the connection between the two VMs through nics or anyother way, such that the connection is like direct cable connection.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Mar 15, 2017 at 11:06 AM, Kevin Benton <span dir="ltr"><<a href="mailto:kevin@benton.pub" target="_blank">kevin@benton.pub</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">What type of L2 communication do they need to do? If it's ethernet, then just attaching two ports to a network using one of the reference ML2 drivers (i.e. OVS or LinuxBridge) will give you L2 ethernet connectivity via virtual switches.<div><br></div><div>If you want two VMs connected via a direct connect that passes arbitrary frames directly without switching so you can use non-ethernet protocols, then I don't believe any of the plugins support a model like that.</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="m_-3835003311838663853m_-2944052268599398905m_8893813681480234479m_-7944908638473211767h5">On Tue, Mar 14, 2017 at 9:46 PM, Vivek Nirala <span dir="ltr"><<a href="mailto:nirala.vivek@gmail.com" target="_blank">nirala.vivek@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="m_-3835003311838663853m_-2944052268599398905m_8893813681480234479m_-7944908638473211767h5"><div dir="ltr"><div style="font-family:georgia,serif;color:#444444">Hi,</div><div style="font-family:georgia,serif;color:#444444"><br></div><div style="font-family:georgia,serif;color:#444444">I have installed openstack using ansible on Ubuntu 16.04 Server.</div><div style="font-family:georgia,serif;color:#444444">I am able to successfully create VMs and launch instances however the requirement is to add one extra nic on both VMs(default is only once nic) so as the extra nics are connected as if they are physically connected via a wire i.e. L2 connectivity.</div><div style="font-family:georgia,serif;color:#444444"><br></div><div style="font-family:georgia,serif;color:#444444">Please let me know your suggestions.</div><div><br></div><div><br></div><div class="m_-3835003311838663853m_-2944052268599398905m_8893813681480234479m_-7944908638473211767m_2454124707369468950m_3570975154715304849gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><span style="color:rgb(0,0,0)"><font style="background-color:rgb(255,255,255)">Thanks<div style="font-family:georgia,serif;color:rgb(68,68,68);display:inline">,</div></font></span></div><div dir="ltr"><span style="color:rgb(0,0,0)"><font style="background-color:rgb(255,255,255)"><div style="font-family:georgia,serif;color:rgb(68,68,68);display:inline">Vivek</div></font></span><div style="background-color:rgb(255,255,255)"><br></div></div></div>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><span style="color:rgb(0,0,0)"><font style="background-color:rgb(255,255,255)">Thanks,</font></span><div style="background-color:rgb(255,255,255)"><span style="color:rgb(0,0,0)"><b>Vivek Nirala</b></span></div><div style="background-color:rgb(255,255,255)"><span style="color:rgb(0,0,0)">Mobile:+91-9278676843</span></div></div></div>
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