Hi, all, I installed xen 3.0.3 on Ubuntu 7.10, and I set up VM dapper using xen-tools. Now, my VM can be boot successfully but without network. I used wireshark and tcpdump to trace, I found that the vm sent requests to xenbr0, but xenbr0 didn''t send them out ! In dom0, I can''t see any request from domU. In xend.conf, I use network-bridge and vif-bridge as default. Maybe this problem is very simple, but as a beginner, it puzzled me a lot! I do appreciate if someone can help me out. ! Best, -- Fangfei Zhou ---------------------------------------------------- I have a dream, fly to the sky _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
I''m no expert on bridged networking under Xen (I only use routed networking in production), but start by making sure "bridge=xenbr0" is in your domU vif config file (make sure you have a vif setup too....), and check the dom0 to make sure the bridge is bridging your domU to the physical NIC using "brctl show". -Ray On Tue, Jun 17, 2008 at 10:11 AM, you_bear zhou <youbear.zhou@gmail.com> wrote:> Hi, all, > > I installed xen 3.0.3 on Ubuntu 7.10, and I set up VM dapper using > xen-tools. Now, my VM can be boot successfully but without network. > > I used wireshark and tcpdump to trace, I found that the vm sent requests to > xenbr0, but xenbr0 didn''t send them out ! In dom0, I can''t see any request > from domU. > > In xend.conf, I use network-bridge and vif-bridge as default. > > Maybe this problem is very simple, but as a beginner, it puzzled me a lot! > > I do appreciate if someone can help me out. ! > > Best, > > -- > Fangfei Zhou > ---------------------------------------------------- > I have a dream, fly to the sky > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xensource.com > http://lists.xensource.com/xen-users >_______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
thank you for quick answer ! I set "bridge=xenbr0" in domU, but I didn''t check "brctl show" I''ll check it tomorrow ( the computer is not at hand right now :( ) On 6/17/08, Ray Barnes <tical.net@gmail.com> wrote:> > I''m no expert on bridged networking under Xen (I only use routed networking > in production), but start by making sure "bridge=xenbr0" is in your domU vif > config file (make sure you have a vif setup too....), and check the dom0 to > make sure the bridge is bridging your domU to the physical NIC using "brctl > show". > > -Ray > > > > On Tue, Jun 17, 2008 at 10:11 AM, you_bear zhou <youbear.zhou@gmail.com> > wrote: > >> Hi, all, >> >> I installed xen 3.0.3 on Ubuntu 7.10, and I set up VM dapper using >> xen-tools. Now, my VM can be boot successfully but without network. >> >> I used wireshark and tcpdump to trace, I found that the vm sent requests >> to xenbr0, but xenbr0 didn''t send them out ! In dom0, I can''t see any >> request from domU. >> >> In xend.conf, I use network-bridge and vif-bridge as default. >> >> Maybe this problem is very simple, but as a beginner, it puzzled me a lot! >> >> >> I do appreciate if someone can help me out. ! >> >> Best, >> >> -- >> Fangfei Zhou >> ---------------------------------------------------- >> I have a dream, fly to the sky >> _______________________________________________ >> Xen-users mailing list >> Xen-users@lists.xensource.com >> http://lists.xensource.com/xen-users >> > >-- Fangfei Zhou ---------------------------------------------------- I have a dream, fly to the sky _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
brctl show : bridge name bridge id STP enabled interfaces xenbr0 8000.feffffffffff no vif 9.0 it seems xenbr0 is started, any other suggestions? On Tue, Jun 17, 2008 at 5:13 PM, you_bear zhou <youbear.zhou@gmail.com> wrote:> thank you for quick answer ! > > I set "bridge=xenbr0" in domU, but I didn''t check "brctl show" > > I''ll check it tomorrow ( the computer is not at hand right now :( ) > > > On 6/17/08, Ray Barnes <tical.net@gmail.com> wrote: >> >> I''m no expert on bridged networking under Xen (I only use routed >> networking in production), but start by making sure "bridge=xenbr0" is in >> your domU vif config file (make sure you have a vif setup too....), and >> check the dom0 to make sure the bridge is bridging your domU to the physical >> NIC using "brctl show". >> >> -Ray >> >> >> >> On Tue, Jun 17, 2008 at 10:11 AM, you_bear zhou <youbear.zhou@gmail.com> >> wrote: >> >>> Hi, all, >>> >>> I installed xen 3.0.3 on Ubuntu 7.10, and I set up VM dapper using >>> xen-tools. Now, my VM can be boot successfully but without network. >>> >>> I used wireshark and tcpdump to trace, I found that the vm sent requests >>> to xenbr0, but xenbr0 didn''t send them out ! In dom0, I can''t see any >>> request from domU. >>> >>> In xend.conf, I use network-bridge and vif-bridge as default. >>> >>> Maybe this problem is very simple, but as a beginner, it puzzled me a >>> lot! >>> >>> I do appreciate if someone can help me out. ! >>> >>> Best, >>> >>> -- >>> Fangfei Zhou >>> ---------------------------------------------------- >>> I have a dream, fly to the sky >>> _______________________________________________ >>> Xen-users mailing list >>> Xen-users@lists.xensource.com >>> http://lists.xensource.com/xen-users >>> >> >> > > > -- > Fangfei Zhou > ---------------------------------------------------- > I have a dream, fly to the sky >-- Fangfei Zhou ---------------------------------------------------- I have a dream, fly to the sky _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
_____ From: xen-users-bounces@lists.xensource.com [mailto:xen-users-bounces@lists.xensource.com] On Behalf Of you_bear zhou Sent: woensdag 18 juni 2008 15:34 To: Ray Barnes Cc: xen-users@lists.xensource.com Subject: Re: [Xen-users] Xenbr0 doesn''t talk to outside brctl show : bridge name bridge id STP enabled interfaces xenbr0 8000.feffffffffff no vif 9.0 it seems xenbr0 is started, any other suggestions? On Tue, Jun 17, 2008 at 5:13 PM, you_bear zhou <youbear.zhou@gmail.com> wrote: thank you for quick answer ! I set "bridge=xenbr0" in domU, but I didn''t check "brctl show" I''ll check it tomorrow ( the computer is not at hand right now :( ) On 6/17/08, Ray Barnes <tical.net@gmail.com> wrote: I''m no expert on bridged networking under Xen (I only use routed networking in production), but start by making sure "bridge=xenbr0" is in your domU vif config file (make sure you have a vif setup too....), and check the dom0 to make sure the bridge is bridging your domU to the physical NIC using "brctl show". -Ray On Tue, Jun 17, 2008 at 10:11 AM, you_bear zhou <youbear.zhou@gmail.com> wrote: Hi, all, I installed xen 3.0.3 on Ubuntu 7.10, and I set up VM dapper using xen-tools. Now, my VM can be boot successfully but without network. I used wireshark and tcpdump to trace, I found that the vm sent requests to xenbr0, but xenbr0 didn''t send them out ! In dom0, I can''t see any request from domU. In xend.conf, I use network-bridge and vif-bridge as default. Maybe this problem is very simple, but as a beginner, it puzzled me a lot! I do appreciate if someone can help me out. ! Best, -- Fangfei Zhou ---------------------------------------------------- I have a dream, fly to the sky _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
you_bear zhou wrote:> brctl show : > > bridge name bridge id STP enabled interfaces > > xenbr0 8000.feffffffffff > no vif 9.0 > > it seems xenbr0 is started, any other suggestions? > > > On Tue, Jun 17, 2008 at 5:13 PM, you_bear zhou <youbear.zhou@gmail.com > <mailto:youbear.zhou@gmail.com>> wrote: > > thank you for quick answer ! > > I set "bridge=xenbr0" in domU, but I didn''t check "brctl show" > > I''ll check it tomorrow ( the computer is not at hand right now :( ) > > > On 6/17/08, *Ray Barnes* <tical.net <http://tical.net>@gmail.com > <http://gmail.com>> wrote: > > I''m no expert on bridged networking under Xen (I only use > routed networking in production), but start by making sure > "bridge=xenbr0" is in your domU vif config file (make sure you > have a vif setup too....), and check the dom0 to make sure the > bridge is bridging your domU to the physical NIC using "brctl > show". > > -Ray > > > > On Tue, Jun 17, 2008 at 10:11 AM, you_bear zhou > <youbear.zhou@gmail.com <mailto:youbear.zhou@gmail.com>> wrote: > > Hi, all, > > I installed xen 3.0.3 on Ubuntu 7.10, and I set up VM > dapper using xen-tools. Now, my VM can be boot > successfully but without network. > > I used wireshark and tcpdump to trace, I found that the vm > sent requests to xenbr0, but xenbr0 didn''t send them out > ! In dom0, I can''t see any request from domU. > > In xend.conf, I use network-bridge and vif-bridge as default. > > Maybe this problem is very simple, but as a beginner, it > puzzled me a lot! > > I do appreciate if someone can help me out. ! > > Best, > > -- > Fangfei Zhou > ---------------------------------------------------- > I have a dream, fly to the sky > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xensource.com > <mailto:Xen-users@lists.xensource.com> > http://lists.xensource.com/xen-users > > > > > > -- > Fangfei Zhou > ---------------------------------------------------- > I have a dream, fly to the sky > >Hi, Sorry for my empty mail... Wrong button ;-) The xenbr0 is started, but is not connected to a physical interface somewhere. So the traffic is on the bridge, but it cannot get out. You should try something like brctl addif xenbr0 eth0 Or search the logs why the xen startup scripts did not do this for you. Jeroen _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users