=0A> Assaf Muller, Cloud Networking Engineer =0A> Red Hat =0A> =0A> =0A> = ----- Original Message -----=0A> From: "William Kwan" <potatok@yahoo.com>= =0A> To: users@ovirt.org=0A> Sent: Wednesday, January 8, 2014 8:47:51 PM=0A= Subject: [Users] no VM network connection=0A> =0A> Hi all, =0A> =0A> Need= some pointers here. I created one VM successfully with network connection.= New VMs and clone can't seem to get network connections. =0A> =0A> I have = ovirt 3.3.2-1.el6 on CentOS6.5. Two virtualization nodes are on 6.5 with Gl= usterFS. =0A> Both nodes have bond0 on management subnet and bond1 on subne= t1. =0A> bond0 has an IP assigned and bond1 has no IP assigned (just link u=
--1100272424-1419109368-1389302810=:87790 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Thanks for the tips. Yes, after tcpdump left and right, we found an issue.= =A0 It is definitely an user error.=0A=0ABTW, thanks for all the assistance= .=A0 We have a promising setup working so far.=A0 We are running tests and = putting more stress to test it.=0A=0AThanks=0AWill=0A=0A=0A=0A=0AOn Thursda= y, January 9, 2014 11:53 AM, Dan Kenigsberg <danken@redhat.com> wrote:=0A = =0AOn Thu, Jan 09, 2014 at 09:18:15AM -0500, Assaf Muller wrote:=0A> Hi Wil= l,=0A> =0A> Do these new faulty VMs get IP from the DHCP server on subnet1?= If so, can they ping their default gateway?=0A> =0A> If you SSH into the h= ypervisor that hosts the new VM, do you see a new 'vnetX' device for it? If= you type brctl showmacs <name of VM bridge>, do you see the MAC of the NIC= of the VM that is connected to the VM network?=0A> =0A> If you tcpdump bon= d1, do you see any outgoing VM traffic?=0A=0AAlso, if you set an explicit I= P address within the guest and try to ping=0Aoutside of it - cun you see pa= ckets travelling out of the vnetX and into=0Athe connected bridge?=0A=0A=0A= p) =0A> =0A> I created a VM with two NICs attached to two the logical netwo= rks. This VM1 works fine with both network connections. This VM can be star= ted on either node fine with network connections. =0A> =0A> When I tried to= build a new VM or build one from the template of VM1, I can't seem to get = another network connection working on these new VMs. Yes, they have logical= network attached to them. --1100272424-1419109368-1389302810=:87790 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"color:#000; background-color:#fff; font-family:He= lveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;fo= nt-size:12pt">Thanks for the tips. Yes, after tcpdump left and right, we fo= und an issue. It is definitely an user error.<br><br>BTW, thanks for = all the assistance. We have a promising setup working so far. W= e are running tests and putting more stress to test it.<br><br>Thanks<br>Wi= ll<br><div style=3D"display: block;" class=3D"yahoo_quoted"> <br> <br> <div= style=3D"font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Luc= ida Grande, sans-serif; font-size: 12pt;"> <div style=3D"font-family: Helve= ticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font= -size: 12pt;"> <div dir=3D"ltr"> <font face=3D"Arial" size=3D"2"> On Thursd= ay, January 9, 2014 11:53 AM, Dan Kenigsberg <danken@redhat.com> wrot= e:<br> </font> </div> <div class=3D"y_msg_container">On Thu, Jan 09, 2014 = at 09:18:15AM -0500, Assaf Muller wrote:<br clear=3D"none">> Hi Will,<br c= lear=3D"none">> <br clear=3D"none">> Do these new faulty VMs get IP f= rom the DHCP server on subnet1? If so, can they ping their default gateway?= <br clear=3D"none">> <br clear=3D"none">> If you SSH into the hypervi= sor that hosts the new VM, do you see a new 'vnetX' device for it? If you t= ype brctl showmacs <name of VM bridge>, do you see the MAC of the NIC= of the VM that is connected to the VM network?<br clear=3D"none">> <br = clear=3D"none">> If you tcpdump bond1, do you see any outgoing VM traffi= c?<br clear=3D"none"><br clear=3D"none">Also, if you set an explicit IP add= ress within the guest and try to ping<br clear=3D"none">outside of it - cun= you see packets travelling out of the vnetX and into<br clear=3D"none">the= connected bridge?<div class=3D"yqt3768733248" id=3D"yqtfd44078"><br clear= =3D"none"><br clear=3D"none">> <br clear=3D"none">> Assaf Muller, Clo= ud Networking Engineer <br clear=3D"none">> Red Hat <br clear=3D"none">> <br clear=3D"none">>= ; <br clear=3D"none">> ----- Original Message -----<br clear=3D"none">&g= t; From: "William Kwan" <<a shape=3D"rect" ymailto=3D"mailto:potatok@yah= oo.com" href=3D"mailto:potatok@yahoo.com">potatok@yahoo.com</a>><br clea= r=3D"none">> To: <a shape=3D"rect" ymailto=3D"mailto:users@ovirt.org" hr= ef=3D"mailto:users@ovirt.org">users@ovirt.org</a><br clear=3D"none">> Se= nt: Wednesday, January 8, 2014 8:47:51 PM<br clear=3D"none">> Subject: [= Users] no VM network connection<br clear=3D"none">> <br clear=3D"none">&= gt; Hi all, <br clear=3D"none">> <br clear=3D"none">> Need some point= ers here. I created one VM successfully with network connection. New VMs an= d clone can't seem to get network connections. <br clear=3D"none">> <br = clear=3D"none">> I have ovirt 3.3.2-1.el6 on CentOS6.5. Two virtualizati= on nodes are on 6.5 with GlusterFS. <br clear=3D"none">> Both nodes have= bond0 on management subnet and bond1 on subnet1. <br clear=3D"none">> bond0 has an IP assigned and bon= d1 has no IP assigned (just link up) <br clear=3D"none">> <br clear=3D"n= one">> I created a VM with two NICs attached to two the logical networks= . This VM1 works fine with both network connections. This VM can be started= on either node fine with network connections. <br clear=3D"none">> <br = clear=3D"none">> When I tried to build a new VM or build one from the te= mplate of VM1, I can't seem to get another network connection working on th= ese new VMs. Yes, they have logical network attached to them. <br clear=3D"= none"></div><br><br></div> </div> </div> </div> </div></body></html> --1100272424-1419109368-1389302810=:87790--