RE: [Xen-users] Xen 3.0 on FC4 - guest domains cant ping host domain

["Mito" <mito@xxxxxxxxxxxxx>]

This sounds identical to my problem when I try to use the NAT networking
model.  What network model are you trying to use?  Bridge (the default, NAT,
or Route?

I just recently installed Xen3 on a FC5 host and a FC4 guest, and it worked
perfectly until I changed it to the NAT model.

As far as why yours isn't working, we would have to see your xen config file
for the domU.


-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ubaidul Khan
Sent: Wednesday, April 26, 2006 3:20 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Xen 3.0 on FC4 - guest domains cant ping host domain

I am installed Xen 3.0 on a Fedora Core 4(2.6.12-1.1454_FC4xen0) machine.  
This machine is currently running one host domain:

[root@]# xm list
Name              Id  Mem(MB)  CPU VCPU(s)  State  Time(s)
Domain-0           0      128    0      1   r----     49.1
fc4-vm1            1       63    0      1   -b---     18.5


Following is the network configuration for Domain-0:

eth0      Link encap:Ethernet  HWaddr 00:E0:29:5F:D1:E9
          inet addr:192.168.1.110  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::2e0:29ff:fe5f:d1e9/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:533 errors:0 dropped:0 overruns:0 frame:0
          TX packets:282 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:54841 (53.5 KiB)  TX bytes:37292 (36.4 KiB)

eth0:0    Link encap:Ethernet  HWaddr 00:E0:29:5F:D1:E9
          inet addr:xxx.xxx.xxx.xxx.xxx  Bcast:xxx.xxx.1.xxx  
Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

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:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:560 (560.0 b)  TX bytes:560 (560.0 b)

peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
          RX packets:584 errors:0 dropped:0 overruns:0 frame:0
          TX packets:338 errors:0 dropped:0 overruns:0 carrier:0
          collisions:2 txqueuelen:1000
          RX bytes:59953 (58.5 KiB)  TX bytes:44108 (43.0 KiB)
          Interrupt:10 Base address:0x1000

sit0      Link encap:IPv6-in-IPv4
          NOARP  MTU:1480  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)

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:316 errors:0 dropped:0 overruns:0 frame:0
          TX packets:552 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:42992 (41.9 KiB)  TX bytes:56123 (54.8 KiB)

xen-br0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:190 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:15048 (14.6 KiB)  TX bytes:378 (378.0 b)

Following is configuration for the guest domain(fc4-vm1):

[root@fc4-vm1 ~]# ifconfig -a
eth0      Link encap:Ethernet  HWaddr AA:00:00:15:94:CA
          inet addr:192.168.1.121  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:210 (210.0 b)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:560 (560.0 b)  TX bytes:560 (560.0 b)

When I try to ping the Domain-0(192.168.1.110) from fc4-vm1(192.168.1.121), 
I get :

PING 192.168.1.110 (192.168.1.110) 56(84) bytes of data

I tried messing around with the routing table without any success.  Any help

is appreciated.

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