[Xen-users] 2 nics on Dom0

[ko0nz <yesiko0nz@xxxxxxxxx>]

hi,

i was in mistake with my config...

so now, i 've got 2 nics:
eth0 192.168.1.10 gw 192.168.1.1
eth1 192.168.2.20 gw 192.168.2.1

 ---Router(VLAN)----
l                         l
l                         l
eth0---Dom0-----eth1
l                         l
l         Dom1-----eth0
l
l------eth0--Dom2
l
l------eth0--Dom3

===========================
# cat /etc/network/interfaces

auto lo
iface lo inet loopback

auto xenbr0
iface xenbr0 inet static
 address 192.168.1.10
 netmask 255.255.255.0
 network 192.168.1.0
 broadcast 192.168.1.255
 gateway 192.168.1.1
 bridge_ports eth0
 # optional
 bridge_maxwait 0

auto xenbr0
iface xenbr0 inet static
 address 192.168.2.20
 netmask 255.255.255.0
 network 192.168.2.0
 broadcast 192.168.2.255
 gateway 192.168.2.1
 bridge_ports eth0
 # optional
 bridge_maxwait 0
=============================
# cat /etc/xen/xend-config.sxp

(xend-relocation-hosts-allow '^localhost$ ^localhost\\.localdomain$')
(network-script network-bridge)
(vif-script vif-bridge)
(dom0-min-mem 196)
(dom0-cpus 0)
(vncpasswd '')
===============================
# ifconfig

eth0      Link encap:Ethernet  HWaddr 00:0F:FE:6D:F4:E5
          inet6 addr: fe80::20f:feff:fe6d:f4e5/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:55205 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3464 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:11382549 (10.8 MiB)  TX bytes:725505 (708.5 KiB)
          Base address:0x2100 Memory:f0500000-f0520000

eth1      Link encap:Ethernet  HWaddr 00:13:F7:0B:A9:5C
          inet6 addr: fe80::213:f7ff:fe0b:a95c/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:135269 errors:0 dropped:0 overruns:0 frame:0
          TX packets:22 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:39981510 (38.1 MiB)  TX bytes:1588 (1.5 KiB)
          Interrupt:19 Base address:0xa000

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:21 errors:0 dropped:0 overruns:0 frame:0
          TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2376 (2.3 KiB)  TX bytes:2376 (2.3 KiB)

vif8.0    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:10 errors:0 dropped:0 overruns:0 frame:0
          TX packets:28659 errors:0 dropped:1 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:496 (496.0 b)  TX bytes:6112602 (5.8 MiB)

xenbr0    Link encap:Ethernet  HWaddr 00:0F:FE:6D:F4:E5
          inet addr:192.168.1.10  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::20f:feff:fe6d:f4e5/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:30636 errors:0 dropped:0 overruns:0 frame:0
          TX packets:717 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:6003035 (5.7 MiB)  TX bytes:135514 (132.3 KiB)

xenbr1    Link encap:Ethernet  HWaddr 00:13:F7:0B:A9:5C
          inet addr:192.168.2.20  Bcast:192.168.2.255  Mask:255.255.255.0
          inet6 addr: fe80::213:f7ff:fe0b:a95c/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:82384 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:22305870 (21.2 MiB)  TX bytes:720 (720.0 b)
=============================================
# brctl show

bridge name     bridge id               STP enabled     interfaces
xenbr0          8000.000ffe6df4e5       no              eth0
                                                vif8.0
xenbr1          8000.0013f70ba95c       no              eth1
============================================

i can ping my 2 nics on Dom0: 192.168.1.10 and 192.168.2.20

on my Dom1, i put

# grep vif /etc/xen/test0.cfg
vif  = [ 'ip=192.168.2.200,bridge=xenbr1' ]

#cat /etc/network/interfaces

auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
 address 192.168.2.200
 netmask 255.255.255.0
 network 192.168.2.0
 broadcast 192.168.2.255
 gateway 192.168.2.1
---------

but on my Dom1, i can't ping anything with the subnet 192.168.2.x

if i define my DomU with the subnet 192.168.1.x (like the eth0
interface of Dom0), i can ping anything.

so how could i configure my Dom1 to use the eth1 interfaceof Dom0 to
go outside (192.168.2.x with gateway 192.168.2.1) instead of  the
gaetway192.168.1.1 ?

thank you in adavance for your help.

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