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[Xen-users] Dom0-Domu Communication

from [David Cemin] [Permanent Link][Original]
To: xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] Dom0-Domu Communication
From: David Cemin <davidcemin@xxxxxxxxx>
Date: Mon, 22 Nov 2010 15:03:32 -0200
Delivery-date: Mon, 22 Nov 2010 09:05:14 -0800
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Hello, 

I think that I am having some problems regarding networking, or maybe I misunderstood something. I have the following config:

Dom0 with a bridge to dom1 and dom3. 

# xm list
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  3268     4     r-----     91.7
dom1                                         1   512     1     -b----      1.4
dom3                                         2   512     1     -b----      1.2


ifconfig in dom0 shows:


eth0      Link encap:Ethernet  HWaddr 70:5a:b6:94:b8:65  
          inet addr:16.127.73.174  Bcast:16.255.255.255  Mask:255.0.0.0
          inet6 addr: fe80::725a:b6ff:fe94:b865/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3227 errors:0 dropped:0 overruns:0 frame:0
          TX packets:625 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:540854 (540.8 KB)  TX bytes:136930 (136.9 KB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:104 errors:0 dropped:0 overruns:0 frame:0
          TX packets:104 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:8864 (8.8 KB)  TX bytes:8864 (8.8 KB)

peth0     Link encap:Ethernet  HWaddr 70:5a:b6:94:b8:65  
          inet addr:16.127.73.175  Bcast:16.127.75.255  Mask:255.255.252.0
          inet6 addr: fe80::725a:b6ff:fe94:b865/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:16059 errors:0 dropped:0 overruns:0 frame:0
          TX packets:762 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100 
          RX bytes:1667649 (1.6 MB)  TX bytes:146238 (146.2 KB)
          Memory:d7400000-d7420000 

vif1.0    Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff  
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2625 errors:0 dropped:5 overruns:0 carrier:0
          collisions:0 txqueuelen:32 
          RX bytes:0 (0.0 B)  TX bytes:223204 (223.2 KB)

vif2.0    Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff  
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2624 errors:0 dropped:4 overruns:0 carrier:0
          collisions:0 txqueuelen:32 
          RX bytes:0 (0.0 B)  TX bytes:222610 (222.6 KB)


ifconfig in dom1:

eth0      Link encap:Ethernet  HWaddr 70:5a:b6:94:b8:65  
          inet addr:16.127.73.174  Bcast:16.255.255.255  Mask:255.0.0.0
          inet6 addr: fe80::725a:b6ff:fe94:b865/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3227 errors:0 dropped:0 overruns:0 frame:0
          TX packets:625 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:540854 (540.8 KB)  TX bytes:136930 (136.9 KB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:104 errors:0 dropped:0 overruns:0 frame:0
          TX packets:104 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:8864 (8.8 KB)  TX bytes:8864 (8.8 KB)

peth0     Link encap:Ethernet  HWaddr 70:5a:b6:94:b8:65  
          inet addr:16.127.73.175  Bcast:16.127.75.255  Mask:255.255.252.0
          inet6 addr: fe80::725a:b6ff:fe94:b865/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:16059 errors:0 dropped:0 overruns:0 frame:0
          TX packets:762 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100 
          RX bytes:1667649 (1.6 MB)  TX bytes:146238 (146.2 KB)
          Memory:d7400000-d7420000 

vif1.0    Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff  
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2625 errors:0 dropped:5 overruns:0 carrier:0
          collisions:0 txqueuelen:32 
          RX bytes:0 (0.0 B)  TX bytes:223204 (223.2 KB)

vif2.0    Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff  
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2624 errors:0 dropped:4 overruns:0 carrier:0
          collisions:0 txqueuelen:32 
          RX bytes:0 (0.0 B)  TX bytes:222610 (222.6 KB)


ifcofig in dom3:

eth0      Link encap:Ethernet  HWaddr 00:16:3e:52:f4:b5  
          inet addr:16.127.73.79  Bcast:16.127.75.255  Mask:255.255.252.0
          inet6 addr: fec0::f:216:3eff:fe52:f4b5/64 Scope:Site
          inet6 addr: 2002:107f:493a:f:216:3eff:fe52:f4b5/64 Scope:Global
          inet6 addr: fe80::216:3eff:fe52:f4b5/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:15553 errors:0 dropped:0 overruns:0 frame:0
          TX packets:33 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1105617 (1.1 MB)  TX bytes:2959 (2.9 KB)
          Interrupt:245 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 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:0 (0.0 B)  TX bytes:0 (0.0 B)



I can ping between dom1 and dom3, but dom1 <-> dom0 doesnt work neither dom3<->dom0. 

I think I have something misconfigured .. or something is blocking the packets to arrive in dom0.

Any Ideas?

Thank you !!

--
David Cemin
mobile: +55 51 93523097
home:   +55 51 32763785
email: davidcemin@xxxxxxxxx
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