Thank you for you both for your help. It was just that eth1 was on the same
subnet. Disabling eth1 for now has fixed the problem. I'll look into
bonding the 2 nics.
John
On 1/14/06, Michael S. Zick <mszick@morethan.org> wrote:
>
> On Fri January 13 2006 18:19, John Alberts wrote:
> > Hi all. I'm using vserver on a Gentoo machine. I originally tried to
> get
> > some help on the gentoo-vserver irc channel; however, I think we must
> all
> > have opposite schedules.
> >
> > Anyway, I am using Gentoo for my host machine and also Gentoo as the
> guest
> > os. The guest os runs Apache2 and MySQL and it works well for a while
> (5, 6
> > hours). After a while I am unable to connect to the guest os. From the
> > host os, I can reach the guest os (ping, browse web page using links,
> etc),
> > but not from outside the host os. If I go into the guest os using
> vserver
> > myguest enter, the only fqdn i can ping is the one for the host os the
> is in
> > my hosts file. No other fqdn's work.
> >
> Is DNS accessible on both nic cablings?
> Could be the resolver is trying the nic/cable setup that does not reach
> any name server.
>
> > If I ping a known working ip address,
> > everything starts working again! I have no idea what this means or how
> to
> > fix it. As a temporary solution, just to keep my guest os working, I
> put a
> > cron job that pings 2 different servers every half hour.
> > I think it's probably a routing problem, but I'm not sure what to
> do. My
> > host has 2 gigabit nics, both on the same subnet.
> >
> > Here is my ifconfig -a and route from my host os: (route hangs a while
> and
> > then finally prints the output below)
> >
> The delay in route response is probably DNS lookup time (failing and
> retrying)
> See if there is a difference in: "route " and "route -n"
>
> See below
> > -----------
> > ifconfig -a
> >
> > route
> >
> > Kernel IP routing table
> > Destination Gateway Genmask Flags Metric Ref Use
> > Iface
> > 205.215.68.0 * 255.255.255.0 U 0 0 0
> eth0
> > 205.215.68.0 * 255.255.255.0 U 0 0 0
> eth1
> > loopback * 255.0.0.0 U 0 0 0
> lo
> > default 205.215.68.254 0.0.0.0 UG 0 0 0
> eth0
> > default 205.215.68.254 0.0.0.0 UG 0 0 0
> eth1
> >
> Note there is no name resolution for names not in '/etc/hosts'
>
>
> > --------
> >
> > Here is the ifconfig -a and route from inside my guest os:
> > ----------
> > ifconfig -a
> > eth0 Link encap:Ethernet HWaddr 00:04:23:C3:C4:FE
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:929890 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:981291 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:1000
> > RX bytes:256023685 (244.1 Mb) TX bytes:1085603257 (1035.3 Mb)
> > Base address:0xecc0 Memory:df9e0000-dfa00000
> >
> > eth0:100 Link encap:Ethernet HWaddr 00:04:23:C3:C4:FE
> > inet addr:205.215.68.100 Bcast:205.215.68.255 Mask:
> 255.255.255.0
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:929890 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:981291 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:1000
> > RX bytes:256023685 (244.1 Mb) TX bytes:1085603257 (1035.3 Mb)
> > Base address:0xecc0 Memory:df9e0000-dfa00000
> >
> > route
> > Kernel IP routing table
> > Destination Gateway Genmask Flags Metric Ref Use
> > Iface
> > 205.215.68.0 * 255.255.255.0 U 0 0 0
> eth0
> > 205.215.68.0 * 255.255.255.0 U 0 0 0
> *
> > loopback * 255.0.0.0 U 0 0 0
> *
> > default 205.215.68.254 0.0.0.0 UG 0 0 0
> eth0
> > default * 0.0.0.0 UG 0 0 0
> *
> > --------------
> >
> Same here.
>
> What is the search order in /etc/host.conf?
> What name services in /etc/resolv.conf?
> What are the service providers for 'hosts:' in /etc/nsswitch.conf
> Duh...
> Which libc version is handling the above?
>
> Mike
>
> > Thanks in advance for any help.
> >
> > John
> >
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Received on Sun Jan 15 19:52:06 2006