[Xen-users] Weird Network issue

[ezequiel@xxxxxxxxxxxxxxxxxxx]

Hi all:

I am pretty new to xen, but ,thanks to you, I am learning fast :)

I have a Dell Poweredge 2950 server running Debian Lenny as Dom0 named Asgard
I have configured three DomU (Loki, Hermod and Thor) with DHCP support.
All the machines (Dom0 and DomU's) ask for an IP address to a DHCP server in the
Office LAN.

The DHCP server is configured to bind certain IP addresses to the Dom0 and DomU
MAC's that works flawlessly.
When I ping to Asgard, Loki, Hemrod and Thor I have response... but when I try 
to
make a connection (ssh for example) to Loki from the outside I have a connection
time out message (this happens only with loki DomU, the other ones works fine)

Here's a funny thing... I can SSH to a machine in the outside from Loki. If 
there
is a connection established between Loki and other host, I can connect to Loki
from the outside. When I disconnect Loki from the host in the Internet i can't
connect to Loki again.

Any ideas?

Here's the config files of my DomU's

Loki:
--------------------------------------
kernel = "/boot/vmlinuz-2.6.26-2-xen-686"
ramdisk = "/boot/initrd.img-2.6.26-2-xen-686"
memory = 512
name = "Loki"
vif = [ 'mac=00:16:3e:5f:c3:25', 'ip=192.168.1.3' ]
dhcp = "dhcp"
extra = "xencons=tty clocksource=jiffies"
disk = ['file:/srv/xen/Loki/Loki.img,sda1,w', 
'file:/srv/xen/Loki/Loki.swap,sda2,w']
root = "/dev/sda1 ro"
-------------------------------------


Hemrod
-------------------------------------
kernel = "/boot/vmlinuz-2.6.26-2-xen-686"
ramdisk = "/boot/initrd.img-2.6.26-2-xen-686"
memory = 512
name = "Hemrod"
vif = [ "mac=00:22:22:24:6d:fb" ]
dhcp = "dhcp"
extra = "xencons=tty clocksource=jiffies"
disk = ['file:/srv/xen/Hermod/Hermod.img,sda1,w',
'file:/srv/xen/Hermod/Hermod.swap,sda2,w']
root = "/dev/sda1 ro"
-------------------------------------

Thor
-------------------------------------
kernel = "/boot/vmlinuz-2.6.26-2-xen-686"
ramdisk = "/boot/initrd.img-2.6.26-2-xen-686"
memory = 512
name = "Thor"
vif = [ "mac=00:22:22:24:6e:00" ]
dhcp = "dhcp"
extra = "xencons=tty clocksource=jiffies"
disk = ['file:/srv/xen/Thor/Thor.img,sda1,w', 
'file:/srv/xen/Thor/Thor.swap,sda2,w']
root = "/dev/sda1 ro"
--------------------------------------


Thanks in advance

Zeke

PD: Sorry my bad english :-S





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