Man, I wish. But thus far no luck.

On Fri, Aug 22, 2008 at 11:54 PM, elventear <[EMAIL PROTECTED]> wrote:
> I am having the same problem with Xen. Have you been able to find any
> workarounds?
>
> --
> networking stalls between domU using vif
> https://bugs.launchpad.net/bugs/246789
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in "xen-3.2" source package in Ubuntu: New
>
> Bug description:
> I can't get networking to work properly between any two domU when using vif 
> on hardy 8.04.1 using xen-3.2.
>
> I set up two domU on private IPs in 192.168.1.0/24 using network-nat and 
> vif-nat, and observed the following behavior.
>
> *) Networking to and from the outside world worked just fine.
>
> *) Transferring a large file (50M) from one of the domU to dom0 worked fine 
> using several protocols (ssh, ftp, etc).
>
> *) Transferring a large file (50M) between the two domU stalls out after a 
> few megs have gone through, also seen using any protocol.
>
>
> As a test, I then set up several domU using public IPs, using network-bridge 
> and vif-bridge. I saw exactly the same behavior as wtih the private IPs. 
> However, with the public IPs, if I stopped using vif, then networking worked 
> just fine. Meaning, if in the .cfg files for the domU, I set
>
> vif   = [ '' ]
>
> and just set up the interfaces directly in the domU then I could transfer the 
> large file (50M) between the domU without trouble.
>
> I should also note that if I disable tcp checksumming on the interfaces in 
> the domU by uncommenting the line that reads
>
> # post-up  ethtool -K eth0 tx off
>
> then I can transfer the file around. Though this causes all sorts of other 
> things to break.
>
>
> SUMMARY:
>
> When using vif, I cannot reliably transfer files of any material size between 
> domU using any protocol I know how to test.
>
> Transferring files between domU and dom0, or between domU and any outside 
> server works just fine.
>
> I expected to be able to scp / ftp / etc files between two domU when using 
> vif to bridge.
>
> What I actually see is that if I'm using vif, a few megabytes will transfer 
> and then the transfer will stall, and I see this using many different 
> protocols.
>
> All of this was tested on HP proliant servers using the tg3 network driver.
>


-- 
chris lea
310-709-4021
gpg key: http://www.chrislea.com/gpgkey.txt

-- 
networking stalls between domU using vif
https://bugs.launchpad.net/bugs/246789
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