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Re: [Xen-users] limit on the number of NICs per domU
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | Re: [Xen-users] limit on the number of NICs per domU |
| From: | Jerry Amundson <jerry@xxxxxxx> |
| Date: | Thu, 29 Jun 2006 10:04:31 -0500 |
| Delivery-date: | Thu, 29 Jun 2006 08:05:08 -0700 |
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On Thu June 29 2006 07:21, Goetz Bock wrote: > On Wed, Jun 28 '06 at 14:29, Jan Srzednicki wrote: > > Xen FAQ states that there's a limitation of 3 virtual network > > interfaces per domU: > > ... > > My question is: is there any way (like setting some #define or > > something in the sources) to rise this limit to 4 or 5? Why is the > > limit set to 3 actually? > > Not that I would know of. > > The problem is: the struct required for a virtual NIC is so big that > only three instances fit into one page of memory. And extending the > Xen interface to support more then one page of memory seams to > require major surgery. Do alias interfaces eth0:1, etc. count in the limitation? jerry _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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