Date: Thu, 19 Feb 2015 15:17:38 +0000 From: Karl Pielorz <kpielorz_lst@tdx.co.uk> To: Michael MacLeod <mikemacleod@gmail.com>, Miguel Clara <miguelmclara@gmail.com> Cc: freebsd-xen@freebsd.org Subject: Re: [Bug 188261] [xen] FreeBSD DomU PVHVM guests cannot 'route' traffic for other Xen PV guests on same Dom0 Host. Message-ID: <96E16668BD46052D41141B94@[10.12.30.106]> In-Reply-To: <CAM-FeoEiy3%2BQxRaHvv-uEQFVh58_VvDPdn2qQnBi9nVAKB%2BXwA@mail.gmail.com> References: <bug-188261-23905@https.bugs.freebsd.org/bugzilla/> <bug-188261-23905-ex4KZu4rIz@https.bugs.freebsd.org/bugzilla/> <54E4D37A.7010905@pdsvelebit.hr> <CADGo8CVAQiVsujpu5mi9=B-Z_dBremZtQEt=RwZ-cDakXia5ZA@mail.gmail.com> <CAM-FeoEiy3%2BQxRaHvv-uEQFVh58_VvDPdn2qQnBi9nVAKB%2BXwA@mail.gmail.com>
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--On 18 February 2015 14:49 -0500 Michael MacLeod <mikemacleod@gmail.com> wrote: > I've been using the OSS Xen releases for years, and have never been able > to get PVM domU to be functional as a gateway - I've either had to use > HVM or setup a separate box as the router. This has been the case since > at least FBSD8 I think, or whenever XENHVM became an option. As the original bug filer... I've tried FBSD 9, 10 and 11 - I was hoping (under the "you never know" banner) that XS 6.5 with updated Xen etc. might make a difference - but sadly it doesn't, as people have pointed out - it's a likely issue with netfront/back code in FBSD. This is a real pain for us - apart from the hours initially wasted figuring it out - and the 'accidents' when people forget, we either have a bunch of non-agile machines polluting our main pools, or a secondary "pool of shame" where all the FBSD boxes that do things like VPN, routing, DHCP, firewalling are running in HVM mode [and again, not agile]. Performance of HVM NIC's and disk isn't as good as PV either (as you'd expect). I have the stuff to test this setup in house here - I just don't know where to start to look at it :( - but open to suggestions ;) Cheers, -Karl
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