RE: [Xen-users] xen bridged network config woes [repost w/apology]

[Curtis Doty <Curtis@xxxxxxxxxxxx>]

7:19pm Gary W. Smith said:

> > I spent some time on the phone with a tech a few days ago, trying to
> > figure out if anything looked misconfigured to him, but he said my
> > domU's /etc/interfaces and its xen config file looked fine to him. MAC
> > addresses didn't come up in our conversation at all. However, they
> don't
> > support Xen officially, and it may not have occurred to him to look
> for
> > that. I've put in an email, asking them about that.
> > 
> 
> It really shouldn't matter.  When you are getting ranges of IP's from
> your ISP they shouldn't care weather or not the server behind it is a
> xen box or a physical box.  
> 

Actually it can. If his upstream/ISP was designed by a Cisco engineer for 
single-server-per-port hosting, then it is conceivable they use "port 
security" to restrict access.

Since Xen is a bridge by default and each DomU makes up MACs as needed, 
then they appear as multiple layer two hosts rather than just one. Thus my 
suggestion to try routing instead.

Ali, are the other addresses in your /29 netblock also for use only on 
your one server? (vips)

../C


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