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xen-users
Re: [Xen-users] SSH ping etc not working between dom0 and domU's
Ilari Mäkelä wrote:
Hi!
I have a problem with my new Xen setup. I have installed Debian etch
with netinstall and I'm using 2.6.18-6-xen-amd64 kernel in my dom0 and
3.0.3-0-4 version xen hypervisor. I'm using four network cards on my
system and using three of them as xen bridges and dom0 is using the
fourth one only for it's own. So basicly both of my virtual servers
use a network card (physical one) of their own. The problem is that I
can't get ssh or ping to work between my dom0 and domU's. I can get
ssh connection to and from my other linux server using dom0 or one of
my domU's and connection to internet works also. Here are my domU
config files:
inno:/home/iler# cat /etc/xen/i28
kernel = "/boot/vmlinuz-2.6.18-6-xen-amd64"
ramdisk = "/boot/initrd.img-2.6.18-6-xen-amd64"
memory = 512
name = "i28"
vif = [ 'ip=192.168.1.6,mac=DE:AD:BE:EF:25:10,bridge=xenbr3' ]
disk = ['phy:/dev/vgxen/i28root,sda1,w',
'phy:/dev/vgxen/i28home,sda2,w', 'phy:/dev/vgxen/i28swap,sda3,w']
root = "/dev/sda1 ro"
extra = '4'
inno:/home/iler# cat /etc/xen/happo
kernel = "/boot/vmlinuz-2.6.18-6-xen-amd64"
ramdisk = "/boot/initrd.img-2.6.18-6-xen-amd64"
memory = 512
name = "happo"
vif = [ 'ip=192.168.1.7,mac=DE:AD:BE:EF:22:77,bridge=xenbr2' ]
disk = ['phy:/dev/vgxen/happoroot,sda1,w',
'phy:/dev/vgxen/happohome,sda2,w', 'phy:/dev/vgxen/happoswap,sda3,w']
root = "/dev/sda1 ro"
extra = '4'
Here is ifconfig from dom0:
eth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet addr:192.168.1.5 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3422 errors:0 dropped:0 overruns:0 frame:0
TX packets:2133 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:347388 (339.2 KiB) TX bytes:417210 (407.4 KiB)
Interrupt:16 Base address:0x6000
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:42 errors:0 dropped:0 overruns:0 frame:0
TX packets:42 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:3480 (3.3 KiB) TX bytes:3480 (3.3 KiB)
peth2 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:556 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:44043 (43.0 KiB) TX bytes:561 (561.0 b)
Interrupt:22 Base address:0xe000
peth3 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:3007 errors:0 dropped:0 overruns:0 frame:0
TX packets:2197 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:750939 (733.3 KiB) TX bytes:200367 (195.6 KiB)
Interrupt:17
peth1_ren Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
UP BROADCAST NOARP 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)
Interrupt:18 Base address:0xc000
vif0.1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP 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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
vif0.2 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:549 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:43014 (42.0 KiB)
vif0.3 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:1072 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:98190 (95.8 KiB)
vif4.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:2092 errors:0 dropped:0 overruns:0 frame:0
TX packets:2814 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:153192 (149.6 KiB) TX bytes:730912 (713.7 KiB)
xenbr1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING NOARP 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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
xenbr2 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:550 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:35428 (34.5 KiB) TX bytes:0 (0.0 b)
xenbr3 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:622 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:38284 (37.3 KiB) TX bytes:0 (0.0 b)
Here is ifconfig from domU:
boing:~# ifconfig
eth0 Link encap:Ethernet HWaddr DE:AD:BE:EF:25:10
inet addr:192.168.1.6 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::dcad:beff:feef:2510/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2799 errors:0 dropped:0 overruns:0 frame:0
TX packets:2074 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:729820 (712.7 KiB) TX bytes:179508 (175.3 KiB)
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)
Here is my kernel ip routing table from dom0:
inno:/home/iler# netstat -arn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window
irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0
0 eth0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0
0 eth0
and here from one of my dom0:
boing:~# netstat -arn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window
irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0
0 eth0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0
0 eth0
When I try to ssh from dom0 to domU I get this (verbose on):
inno:/home/iler# ssh -v 192.168.1.6
OpenSSH_4.3p2 Debian-9etch2, OpenSSL 0.9.8c 05 Sep 2006
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 192.168.1.6 [192.168.1.6] port 22.
debug1: connect to address 192.168.1.6 port 22: No route to host
ssh: connect to host 192.168.1.6 port 22: No route to host
I have asked couple of my friends for help but they couldn't help me
so I thought to try this mailing list. So if anyone has ideas please
share.
Ilari Mäkelä
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Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users
!DSPAM:87,483d4ea743999245717453!
Hi,
I think you might want to check this:
Here is ifconfig from dom0:
eth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet addr:192.168.1.5 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3422 errors:0 dropped:0 overruns:0 frame:0
TX packets:2133 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:347388 (339.2 KiB) TX bytes:417210 (407.4 KiB)
Interrupt:16 Base address:0x6000
Especially the hardware address.
Jeroen
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Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users
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