RE: [Xen-users] Xen 3.3.0 on Gentoo Kernel 2.6.18, Bridge-Setup Problems

[Maresa Nirwan <parampat@xxxxxxxxxxx>]

If you're using Xen 3.2+, you don't need to use xenbr anymore. See http://wiki.xensource.com/xenwiki/XenNetworking#head-708d4c55f42b5e2b866c06e1ae69530e8c748799 and compare 3.1 vs 3.2 networking.

I was pulling my hairs out about this issue until I found out that Xen 3.2's bridge name is eth0. So do create it as eth0. That change, at least for me, solved my issue.

MSN

> From: andreas.westermaier@xxxxxx
> To: Xen-users@xxxxxxxxxxxxxxxxxxx
> Date: Mon, 17 Nov 2008 15:09:30 +0100
> CC:
> Subject: [Xen-users] Xen 3.3.0 on Gentoo Kernel 2.6.18, Bridge-Setup Problems
>
> Hi,
>
> I'm new to this list. The last days I messed a bit around with Xen on Gentoo (2.6.18, emerged xen-sources) and after disabling IPv6 support in the kernel I also got the network-bridge script almost working I think. There are no error messages anymore.
>
> Reading the Xen Wiki [1] I found that the network-bridge script should perform the following actions:
> 1. creates a new bridge named xenbr0
> 2. "real" ethernet interface eth0 is brought down
> 3. the IP and MAC addresses of eth0 are copied to virtual network interface veth0
> 4. real interface eth0 is renamed peth0
> 5. virtual interface veth0 is renamed eth0
> 6. peth0 and vif0.0 are attached to bridge xenbr0
> 7. the bridge, peth0, eth0 and vif0.0 are brought up
>
> In my case it successfully creates the bridge xenbr0 and renames the real interface eth0 to peth0. ifconfig shows up:
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> UP LOOPBACK RUNNING MTU:16436 Metric:1
> RX packets:64 errors:0 dropped:0 overruns:0 frame:0
> TX packets:64 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:4096 (4.0 KiB) TX bytes:4096 (4.0 KiB)
>
> peth0 Link encap:Ethernet HWaddr XX:XX:XX:XX:XX:XX
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:100766 errors:0 dropped:0 overruns:0 frame:0
> TX packets:91552 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:48721126 (46.4 MiB) TX bytes:85752042 (81.7 MiB)
> Interrupt:16 Memory:f8000000-f8011100
>
> xenbr0 Link encap:Ethernet HWaddr XX:XX:XX:XX:XX:XX
> inet addr:192.168.0.84 Bcast:192.168.1.255 Mask:255.255.254.0
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:71132 errors:0 dropped:0 overruns:0 frame:0
> TX packets:73847 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:3392032 (3.2 MiB) TX bytes:84049770 (80.1 MiB)
>
> xenbr0 and peth0 have the same mac addresses. No new (virtual) eth0 and vif0.0 device is created (also verified by trying to get them manually up with 'ifconfig XXX up').
>
> My xend-config.sxp looks like this:
>
> (network-script 'network-bridge netdev=eth0 bridge=xenbr0 vifnum=0')
> (vif-script vif-bridge)
> (dom0-min-mem 196)
> (enable-dom0-ballooning yes)
> (dom0-cpus 0)
>
>
> Any ideas on this issue?
>
>
> [1] http://wiki.xensource.com/xenwiki/XenNetworking
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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