Re: [Xen-users] define ip gateway

To:	"Janis Daniel Bistevins" <bistevins@xxxxxxxxx>
Subject:	Re: [Xen-users] define ip gateway
From:	"Todd Deshane" <deshantm@xxxxxxxxx>
Date:	Wed, 16 Jan 2008 10:27:23 -0500
Cc:	xen-users@xxxxxxxxxxxxxxxxxxx
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On Jan 16, 2008 10:10 AM, Janis Daniel Bistevins <bistevins@xxxxxxxxx> wrote:

hi,
I have a VM with route-nat and 3 virtual interfaces. This is my config:

vif = [ 'ip=10.10.10.4/24, vifname=vif1.0', 'ip= 10.10.20.4/24,
vifname=vif2.0', 'ip=10.10.30.4/24, vifname=vif3.0' ]

And the output of dom0 ifconfig:

vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet addr:10.10.10.131 Bcast:0.0.0.0 Mask:255.255.255.255
UP BROADCAST 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:32
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

vif2.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet addr:10.10.20.131 Bcast: 0.0.0.0 Mask:255.255.255.255
UP BROADCAST 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:32
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

vif3.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet addr: 10.10.30.131 Bcast:0.0.0.0 Mask:255.255.255.255
UP BROADCAST 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:32
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

I need to know how can I change the IP address of vifx.0 . I want to
set that address to
something like 10.10.10.1 or 10.10.20.1, not 10.10.10.131.

Where can I change that 131 to something else? and why is assigned like that?

If my understanding is correct, since you set the guest IP to 10.10.10.4 the vifx.0 gets 10.10.10.131 since Xen adds 127 to the 4 (127+4 = 131). That is just the backend and you will not use that IP, you should only be concerned with the frontend number i.e . 10.10.10.4 which you set in the config.

Regards,
Todd

thx in advance.

--
Janis Daniel Bistevins
---
Serenity now!!!
---

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Re: [Xen-users] define ip gateway