From: Brian (brian_ffm_at_hotmail.com)
Date: Tue 21 Sep 2004 - 18:22:24 BST
----- Original Message -----
From: "Brian" <brian_ffm_at_hotmail.com>
To: "Herbert Poetzl" <herbert_at_13thfloor.at>
Cc: <say_at_psoft.net>; <umka_at_sevinter.net>
Sent: Tuesday, September 21, 2004 7:21 PM
Subject: Re: [Vserver] eth0 + dummy0
> the problem was solved. Thanx Herbert !! ;-)
>
> Alex you are on the wrong way .. the problem was a bad subnetmask in one
of
> the other vserver.
>
> thanx all,
>
> cheers, Brian
>
> ----- Original Message -----
> From: "Herbert Poetzl" <herbert_at_13thfloor.at>
> To: "Brian" <brian_ffm_at_hotmail.com>
> Sent: Tuesday, September 21, 2004 5:18 PM
> Subject: Re: [Vserver] eth0 + dummy0
>
>
> > On Tue, Sep 21, 2004 at 05:04:53PM +0200, Brian wrote:
> > > ping from outside to public interface of vserver4 is not responding ..
> > > all other IP's ok ..
> > >
> > > vserver 1 +2 +3 I can ping from the hostsystem . Private and Public
> IP's.
> > > vserver 1 +2 +3 I can ping from outside on the public PI's
> > >
> > > I ping the public IP address of vserver4 from hostsystem
> > >
> > > hostsystem:/# ping 83.xx.yy.zz
> > > I get
> > > 64 bytes from 10.49.0.1: icmp_seq=0 ttl=64 time=0.0 ms
> > >
> > >
> > > I ping from outside, I get timeout.
> > >
> > > note, the vserver4 is down .. it he up, exactly the same.
> > > vserver4 was running some hours normaly. I get a call, talking 10
> minutes
> > > and after the vserver was not responding on his public IP. possibly
> which
> > > must have happened.. ??
> >
> > okay, now that is something I consider an issue
> > if your routing (external and on the vserver) is
> > set up properly, the ICMP echo request arrives at
> > the host (check with tcpdump) and the echo reply
> > isn't sent back properly ...
> >
> > I'd be interested in the tcpdump output of such
> > a failing ping on the host system ...
> >
> > maybe you could visit the IRC channel and we do
> > some tests interactively? (#vserver @ irc.oftc.net)
> >
> > TIA,
> > Herbert
> >
> > >
> > > ----- Original Message -----
> > > From: "Herbert Poetzl" <herbert_at_13thfloor.at>
> > > To: "Brian" <brian_ffm_at_hotmail.com>
> > > Cc: <vserver_at_list.linux-vserver.org>
> > > Sent: Tuesday, September 21, 2004 3:40 PM
> > > Subject: Re: [Vserver] eth0 + dummy0
> > >
> > >
> > > > On Tue, Sep 21, 2004 at 02:51:22PM +0200, Brian wrote:
> > > > > Herbert,
> > > > >
> > > > > 83.xxx.yy.zz is the IP of the vserver number4 (the new one) ..
> > > > >
> > > > > ip of the host system is eth0:83.x.x.x.. and dummy0:10.49.0.1 ok
.
> all
> > > > > other verserver running well.
> > > > >
> > > > > vserver1 dummy0:10.49.0.2/255.255.255.0 running mysql
> > > > > vserver2 eth0:83.aa.bb.cc/255.255.255.255
> dummy0:10.49.0.3/255.255.255.0
> > > > > running apache
> > > > > vserver3 eth0:83.dd.ee.ff/255.255.255.255
> dummy0:10.49.0.5/255.255.255.0
> > > > > running a dev-sever
> > > > > vserver4 eth0:83.xx.yy.zz/255.255.255.255
> dummy0:10.49.0.4/255.255.255.0
> > > > > future mail server
> > > > >
> > > > > I ping from the host (eth0:83.x.x.x.. and dummy0:10.49.0.1)
> > > >
> > > > okay, sounds perfectly fine to me then.
> > > >
> > > > you ping the host (on one of it's IPs) and it
> > > > answers (from one of it's IPs), as no 'routing'
> > > > per se is happening here, and all goes over
> > > > the lo device, it should be fine, shouldn't it?
> > > >
> > > > (would be an issue if you ping it from outside
> > > > and it answers from a different, not routed IP)
> > > >
> > > > best,
> > > > Herbert
> > > >
> > > > > Thanx, Brian
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Herbert Poetzl" <herbert_at_13thfloor.at>
> > > > > To: "Brian" <brian_ffm_at_hotmail.com>
> > > > > Cc: <vserver_at_list.linux-vserver.org>
> > > > > Sent: Tuesday, September 21, 2004 2:33 PM
> > > > > Subject: Re: [Vserver] eth0 + dummy0
> > > > >
> > > > >
> > > > > > On Tue, Sep 21, 2004 at 12:30:39PM +0200, Brian wrote:
> > > > > > > I cannot understand..
> > > > > > >
> > > > > > > I have a Hostsystem with
> > > > > > >
> > > > > > > eth0 = Internet address
> > > > > > > dummy0 = Privat address
> > > > > > >
> > > > > > > 1 Vserver with Privat address bind on dummy0
> > > > > > > 2 Vserver with Internet and Privat address.
> > > > > > >
> > > > > > > its running well, fast and stable.
> > > > > > >
> > > > > > > yesterday I install Vserver number 4 with Internet and Privat
> > > address
> > > > > too. It's running well too.. I install apache and mail ... I go to
> the
> > > > > Webinterface of my software in this new vServer. everything
running
> > > well. 5
> > > > > minutes later the 4. Vserver are offline .. I try to ping but
> nothing is
> > > go
> > > > > . restart vserver ... nothing changed...
> > > > > > >
> > > > > > > I go to the Host system and ping the IP ..
> > > > > > >
> > > > > > > ping 83.xxx.yy.zz
> > > > > > > PING 83.xxx.yy.zz (83.xxx.yy.zz): 56 data bytes
> > > > > > > 64 bytes from 10.49.0.1: icmp_seq=0 ttl=64 time=0.0 ms
> > > > > > > 64 bytes from 10.49.0.1: icmp_seq=1 ttl=64 time=0.0 ms
> > > > > > > 64 bytes from 10.49.0.1: icmp_seq=2 ttl=64 time=0.0 ms
> > > > > > > 64 bytes from 10.49.0.1: icmp_seq=3 ttl=64 time=0.0 ms
> > > > > > >
> > > > > > > 10.49.0.1 is the dummy0 of the host system ..
> > > > > >
> > > > > > and what is 83.xxx.yy.zz? the 'public' ip of the host?
> > > > > >
> > > > > > best,
> > > > > > Herbert
> > > > > >
> > > > > > > why !!??
> > > > > > >
> > > > > > > when the server are down, it's the same ..
> > > > > > >
> > > > > > > I don't know whats rong ..
> > > > > > > _______________________________________________
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> > > > > > _______________________________________________
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> > > > > > http://list.linux-vserver.org/mailman/listinfo/vserver
> > > > > >
> > > > > _______________________________________________
> > > > > Vserver mailing list
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> > > > > http://list.linux-vserver.org/mailman/listinfo/vserver
> > > >
> >
>
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