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From Wei ZHOU <ustcweiz...@gmail.com>
Subject Re: Redundant VR Guest IPs
Date Tue, 18 Jun 2019 07:24:49 GMT
Hi Rohit,

We have some changes to use gateway IP for
userdata/metadata/dhcp/dns/password server in cloudstack 4.7.1
I can port these changes to 4.11 or 4.13 if possible.

-Wei

Rohit Yadav <rohit.yadav@shapeblue.com> 于2019年6月17日周一 下午3:02写道:

> Hi Richard,
>
>
> You've probably found an implementational bug. I think the VIP should be
> used for both source NAT, password, user-data and dhcp/dns services.
>
>
> Regards,
>
> Rohit Yadav
>
> Software Architect, ShapeBlue
>
> https://www.shapeblue.com
>
> ________________________________
> From: Richard Lawley <richard@richardlawley.com>
> Sent: Monday, June 17, 2019 6:18:46 PM
> To: dev@cloudstack.apache.org
> Subject: Redundant VR Guest IPs
>
> Hi,
>
> When using RVRs, the guest VMs still see the VR IP instead of the VIP
> for a number of things:
> * DHCP Server
> * Static NAT source IP for hairpin NAT
>
> Just wondering what the reason is for this, as it causes a number of
> issues:
> * Password reset doesn't work if active VR has changed since VM boot
> * Issues with DHCP renewals if VR has changed since VM boot (will discuss
> later)
> * Some static NAT connections confusingly (for the end user) come from
> the VR IP rather than the VIP
>
> It seems to me that it would be better if anything referencing the VR
> IP actually used the VIP, but I'm assuming someone has made a decision
> not to do this at some point - just wondered what that reason is, and
> whether it's still valid.
>
> Regards,
>
> Richard
>
> rohit.yadav@shapeblue.com
> www.shapeblue.com
> Amadeus House, Floral Street, London  WC2E 9DPUK
> @shapeblue
>
>
>
>

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