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From Jayapal Reddy Uradi <>
Subject Re: Support for SecurityGroup in OpenVSwitch mode in Xenserver
Date Thu, 16 Apr 2015 06:36:23 GMT
Hi Suresh,

Yes, for security groups expects network mode 'bridge' for xenserver.
This is because the security group rules  iptables/ebatables in host filters on the bridge

Please look at how we can achieve host level isolation of VM traffic for SG using openVswitch.


On 16-Apr-2015, at 10:14 AM, Suresh Ramamurthy <>

> Hi Security Group Experts,
> I am trying to play with SecurityGroup in XenServer setup.
> When I looked at the latest 4.5 code I found that the code expects Bridge
> module to be present in Xenserver.
> Is that true? Is Security Group supported using OpenVSwitch in Xenserver?
> Thanks,
> Suresh

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