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xen-users
RE: [Xen-users] Xen 3.0 on FC4 - guest domains cant ping host domain
I am using the default (Bridged) network model. Following is network
configuraitons from my xend-config.sxp file:
<--------------------------------------/etc/xen/xend-config.sxp
-------------------------------------->
## Use the following if VIF traffic is routed.
# The script used to start/stop networking for xend.
#(network-script network-route)
# The default script used to control virtual interfaces.
#(vif-script vif-route)
## Use the following if VIF traffic is bridged.
# The script used to start/stop networking for xend.
(network-script network-bridge)
# The default bridge that virtual interfaces should be connected to.
(vif-bridge xen-br0)
# The default script used to control virtual interfaces.
(vif-script vif-bridge)
# Whether iptables should be set up to prevent IP spoofing for
# virtual interfaces. Specify 'yes' or 'no'.
(vif-antispoof no)
<----------------------------------------------------------------------------------------------------->
I found an artcle online and tried following it and created a bridge, but
that didn't remedy either:
[ http://www.linuxdevcenter.com/pub/a/linux/2006/01/26/xen.html?page=2 ]
<--------------------------------------Bridge
Creation-------------------------------------->
[root@seleya ~]# brctl show
bridge name bridge id STP enabled interfaces
xen-br0 8000.feffffffffff no
peth0
vif0.0
[root@seleya ~]# brctl addbr xen-br1
[root@seleya ~]# brctl addif xen-br1 vif1.0
[root@seleya ~]# brctl addif xen-br1 eth0
<------------------------------------End of Bridge
Creation------------------------------------>
The machine loses all network connectivity after adding eth0 to the bridge
xen-br1.
From: "Mito" <mito@xxxxxxxxxxxxx>
To: "'Ubaidul Khan'" <ukhanlists@xxxxxxxxxxx>,
<xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Xen 3.0 on FC4 - guest domains cant ping host
domain
Date: Wed, 26 Apr 2006 16:37:57 -0400
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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