| Hi,
hopefully someone can give me some pointers in the right direction: I installed Xen 3.0.2-2 on Centos 4.4, downloaded a Fedora Core 5 image from jailtime.org and I can start the GuestDomain, but I can't figure out the networking. I can't ping to or from the GuestOS.
From my provider I got two IP ranges with multiple IPs each and I have a backup lan in the form of Backup Lan IP: 192.168.1.43 NAS IP: 192.168.1.1
My provider gave me the following details: Main IP: X.X.X.2 Public IP Range: X.X.X.14 - 19 (all usable) Public IP Range: X.X.X.40 - 27 (all usable) Network: X.X.X.0 Netmask: 255.255.255.0 Gateway: X.X.X.1 DNS Resolver: Y.Y.Y.Y
My goal is the following setup: The GuestOS1 should listen behind 1 or more public IP addresses to all services. I plan on installing cpanel on GuestOS1 later on and it will have more than 1 dedicated IP. GuestOS1 should not listen to all IPs though, as I will install a GuestOS2 later on. GuestOS2 should also have a few IPs assigned to it. The GuestOS* needs to be able to reach the Backup LAN too.
In /etc/xen/xend-config.sxp I am using: (network-script network-bridge) (vif-script vif-bridge)
xm list Name ID Mem(MiB) VCPUs State Time(s) Domain-0 0 2567 4 r----- 223.4 ns2 16 256 1 -b---- 6.5
My ifconfig shows: eth0 Link encap:Ethernet HWaddr 00:30:48:55:27:AA inet addr:X.X.X.2 Bcast:X.X.X.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:898077 errors:0 dropped:0 overruns:0 frame:0 TX packets:812176 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:57428320 (54.7 MiB) TX bytes:44416204 (42.3 MiB) eth0:1 Link encap:Ethernet HWaddr 00:30:48:55:27:AA inet addr:X.X.X.14 Bcast:X.X.X.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
(...) going through the entire IP range (...)
eth1 Link encap:Ethernet HWaddr 00:30:48:55:27:AB inet addr:192.168.1.43 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::230:48ff:fe55:27ab/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:454 errors:0 dropped:0 overruns:0 frame:0 TX packets:8 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:68871 (67.2 KiB) TX bytes:620 (620.0 b) Interrupt:18
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:39 errors:0 dropped:0 overruns:0 frame:0 TX packets:39 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:6868 (6.7 KiB) TX bytes:6868 (6.7 KiB)
vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:7 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:6 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:294 (294.0 b) TX bytes:0 (0.0 b)
xenbr0 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:48175 errors:0 dropped:0 overruns:0 frame:0 TX packets:6 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2465524 (2.3 MiB) TX bytes:468 (468.0 b)
From what I gather from this, peth is missing. My /etx/xen/ns2 looks like this:
name = "ns2" kernel = "/boot/vmlinuz-2.6.16-xen" ramdisk = "/boot/initrd-xen-3.0.2-2.img" memory = 256 root = "/dev/sda1 ro" extra = "3" vif=[ 'ip=10.0.0.2' ] ip="10.0.0.2" dhcp="off" netmask="255.255.0.0" gateway="10.0.0.254" hostname = "ns2"
In my guestos my ifconfig shows: eth0 Link encap:Ethernet HWaddr 00:16:3E:73:1F:85 inet addr:X.X.X.14 Bcast:X.X.X.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:7 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 b) TX bytes:294 (294.0 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:4 errors:0 dropped:0 overruns:0 frame:0 TX packets:4 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:288 (288.0 b) TX bytes:288 (288.0 b) The config file in /etc/sysconfig/network-scripts/ifcfg-eth0 on the guestos: TYPE=Ethernet DEVICE=eth0 #BOOTPROTO=dhcp BOOTPROTO=none > IPADDR="X.X.X.14" NETMASK=255.255.255.0
Can anyone point this confused n00b into the right direction? :) -- Sascha Endlicher | 
