Re: [Xen-users] newbie in trouble with CentOS Xen

[Dave Stevens <geek@xxxxxxxxxxxx>]

Quoting Alexandre Kouznetsov <alk@xxxxxxxxxx>:

> Hello.
>
> El 05/04/13 10:58, Dave Stevens escribió:
> > A diagram of the original "supposed to be like this" setup
> Yes, after the help of Greg's reference, the configuration you sent  
> "Thu, 04 Apr 2013 09:13:42 -0700" in more understandable and looks  
> much better.
> The only relevant difference is that eth0 is not UP in Dom0 (surely  
> it's still present, but you better make sure with "ifconfig -a"),  
> and that you diagram describes DomU's with two interfaces in the  
> same bridge, while your setup surely implies a DomU with two  
> interfaces in different bridges.
> You tell me if this differences are relevant for what you intend to  
> do. If not, double check you wiring and IP addressing, it should work.
> Greetings.
Greetings yourself.

I started apache in dom0 and from outside wa getting the default  
apache page, have now replaced it with something slightly more  
meaningful. So I think the xenbr1 connection to vif4.1 must not be  
working properly in sending packets to domU's eth1
in dom0:

peth1     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:118842 errors:0 dropped:0 overruns:0 frame:0
          TX packets:181148 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:24736385 (23.5 MiB)  TX bytes:17074473 (16.2 MiB)
          Interrupt:251 Base address:0xe000
so lots of traffic there and then:

xenbr1    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:143222 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:21810836 (20.8 MiB)  TX bytes:0 (0.0 b)

so why no TX bytes?

and vif4.1 is:
vif4.1    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:40649 errors:0 dropped:0 overruns:0 frame:0
          TX packets:23529 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:1138388 (1.0 MiB)  TX bytes:8233545 (7.8 MiB)

and domU's eth1 is:

eth1      Link encap:Ethernet  HWaddr 00:16:3E:52:61:CE
          inet addr:204.174.35.215  Bcast:204.174.35.255  Mask:255.255.255.0
          inet6 addr: fe80::216:3eff:fe52:61ce/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:23474 errors:0 dropped:0 overruns:0 frame:0
          TX packets:40601 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:8214830 (7.8 MiB)  TX bytes:1705458 (1.6 MiB)

domU is lower thandom0 because I rebooted the VM

Does any of this suggest anything to you?

Dave




> --
> Alexandre Kouznetsov
>
>
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--
The problem with being cynical is you can't keep up!

-- anon. philosopher



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