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[Xen-API] [XCP 1.5 Beta] Open vSwitch issues

  • To: xen-api@xxxxxxxxxxxxxxxxxxx
  • From: Eugene Chupriyanov <e.chupriyanov@xxxxxx>
  • Date: Mon, 20 Feb 2012 16:32:21 +0400
  • Delivery-date: Mon, 20 Feb 2012 12:32:40 +0000
  • List-id: Discussion of API issues surrounding Xen <xen-api.lists.xensource.com>


I'm having some obscure networking issues on XCP 1.5 beta. I have following configuration in my lab:
1) Pool 1, 2 hosts
Host A (IBM x3650), 2 BCM5708 NICs
Host B (HP Proliant DL320 G5) 2 BCM5714 NICs

NIC 0 on both hosts used exclusively for management
NIC 1 has several VLANs with attached VMs

Pool was upgraded from XCP 1.1 release to XCP 1.5beta
After upgrade I've noticed that VMs on Host A are working perfectly, but on Host B we have network probles: I can ping to/from VMs, but TCP sessions almost unusable (timeout all the time). If I switch Host B to bridge more (using /etc/xensource/network.conf) everything works perfectly.

2) Also I have a standalone clean XCP 1.5 beta install from scratch on a Host identical to Host be in case 1. It also has the same network problems. But if I try to switch bridge mode in network.conf it boots without network setup at all.

Does it mean, that bridge mode will not supported anymore? How can I tune open vSwitch to fix these issues.

Thanks in advance,

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