Re: [vserver] Question on the FAQ

From: Martin <inkubus_at_interalpha.co.uk>
Date: Tue 18 Dec 2007 - 21:59:39 GMT
Message-Id: <1198015179.30341.3.camel@michael.lh45.org>

On Tue, 2007-12-18 at 11:56 -0800, Ng, Cheon-woei wrote:
> Hi All,
>
> This is my first time visiting the vserver site. Upon reading the
> FAQ, I came across this question:
>
> http://linux-vserver.org/Frequently_Asked_Questions#Trying_to_connect_to_a_vserver_from_the_host_or_another_vserver_on_the_same_host_fails
>
> Below is the copy of the question and answer:
>
> Trying to connect to a vserver from the host or another vserver on the
> same host fails
> strace shows
>
> sin_addr=inet_addr("xx.xx.xx.xx")}, yy) = -1 EINVAL (Invalid argument)
>
> A: The host/guest cannot communicate with another guest on same host.
>
> · check all netmasks on all interfaces (do they overlap) ?
> · check policy routing (disable it temporary) ?
> · check that lo is up (Networking within a host/guest always
> uses lo interface)
>
> The answer has this line:
>
> The host/guest cannot communicate with another guest on same host
>
> Is this answer just a rephrasing of the question? Or is this a true
> vserver˙s limitation?

It is a rephrasing of the question. Last time I tried (< 5 minutes ago)
it was possible to connect from one guest to another; it is not a design
limitation. The bullet points suggest configuration errors / omissions
that commonly cause this problem.

HTH

Cheers,
 - Martin

PS If you find the wording confusing - why not rephrase it; it's in the
wiki...
Received on Tue Dec 18 21:45:15 2007

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