Hello,
I have installed xen2.0 on my fedora core 3 machine.
I am having some trouble to set up the virtual network between the
different domains. The truth is I do not know much about the setup of
virtual ethernet bridge and how to route stuff inside. From what I
undestand, the bridge connects all interfaces (eth0, vif1.0 etc... )
together. If someone could point me to some material that would be
great. This is what I have done so far:
I can start xen and domain0 comes up correctly. From domain0 I can
have access to internet. Next I start the ttylinux with the following
configuration:
==================================================kernel =
"/boot/vmlinuz-2.6.10-xenU"
memory = 64
nics=1
ip = "10.0.0.2"
disk = [ ''file:/Xen/TtyLinux/ttylinux-xen,sda1,w'' ]
root = "/dev/sda1 ro"
==================================================
After ttylinux comes up, my network looks like this:
==================================================ifconfig on domain0
eth0 Link encap:Ethernet HWaddr 00:0E:A6:6B:70:CC
inet addr:128.100.241.161 Bcast:128.100.241.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2209 errors:174 dropped:0 overruns:0 frame:0
TX packets:44 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:166158 (162.2 KiB) TX bytes:4326 (4.2 KiB)
Interrupt:22 Memory:feafc000-0
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:847 errors:0 dropped:0 overruns:0 frame:0
TX packets:847 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:54901 (53.6 KiB) TX bytes:54901 (53.6 KiB)
vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:236 errors:0 dropped:47 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:15084 (14.7 KiB)
xen-br0 Link encap:Ethernet HWaddr 00:0E:A6:6B:70:CC
inet addr:128.100.241.161 Bcast:128.100.241.255
Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:1238 errors:0 dropped:0 overruns:0 frame:0
TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:65724 (64.1 KiB) TX bytes:1364 (1.3 KiB)
==================================================
==================================================ifconfig on ttylinux
eth0 Link encap:Ethernet HWaddr AA:00:00:41:24:DF
inet addr:10.0.0.2 Bcast:10.255.255.255 Mask:255.0.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 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:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 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: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 want to communicate between ttylinux and domain0
So I try to assign an IP to vif1.0 on domain0 "ifconfig vif1.0
10.0.0.1"
Next I try to "ping 10.0.0.2" from domain0 and "ping
10.0.0.1" from ttylinux.
But of course that does not work :). I am pretty new to those things, if someone
can point me what to work on, that would be great.
To make ttylinux to access internet, do I have to set domain0 as a NAT router ?
Also, another issue that may or may not be related. When I boot into
xen2.0/domain0, my iptable is not loaded properly:
=================================================[root@aquarius ~]#
/etc/init.d/iptables start
Applying iptables firewall rules: iptables-restore v1.2.11: iptables-restore:
unable to initializetable ''filter''
Error occurred at line: 3
Try `iptables-restore -h'' or ''iptables-restore
--help'' for more information.
[FAILED]
=================================================
I have just installed xen2.0 on a fresh fedora core 3 installation and my
iptables rules are those that were created by fedora core 3 installation:
=================================================# Firewall configuration
written by system-config-securitylevel
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -p 50 -j ACCEPT
-A RH-Firewall-1-INPUT -p 51 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp --dport 5353 -d 224.0.0.251 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT
==================================================
Is that iptable error important to get my virtual network to run correctly ?
Should I add additional modules in my .config file to compile iptables module in
the vmlinuz-2.6.10-xen0 kernel ?
Thanks
Rick
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