11:26 p.m.
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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(a)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=
=0A> Assaf Muller, Cloud Networking Engineer =0A> Red Hat
=0A> =0A> =0A> =
----- Original Message -----=0A> From: "William
Kwan" <potatok(a)yahoo.com>=
=0A> To: users(a)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=
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.
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<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 &lt;danken(a)redhat.com&gt; 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>
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