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Re: [Xen-users] no ssh login

As xenbro starts automatically everytime I reboot the machine, so I have
to comment off the network-bridge and vif-bridge, and uncomment the
vif-nat in the xend-config.sxp, I modified the vif-nat file, change the
the ip address to 192.168.3.0, but when I restarted the machine, the
ifconfig shows as following:
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
192.168.3.1     0.0.0.0         255.255.255.255 UH    0      0        0
vif1.0
192.168.3.2     0.0.0.0         255.255.255.255 UH    0      0        0
vif1.1
182.20.0.0     0.0.0.0         255.255.0.0     U     0      0        0
eth0
0.0.0.0         182.20.127.255  0.0.0.0         UG    0      0        0
eth0
I couldn't find a way to change the netmask to 255.255.255.0, How Can I
change the netmask address?.

If I comment of the (vif-nat) in the xend-config.sxp, then xden domains
won't be able to start, claim can't dinf device(0) for vif.

When I run ifconfig vif1.0 192.168.3.1 netmask 255.255.255.0 up and
ifconfig vif1.1 down, I got ifconfig as following:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
192.168.3.0     0.0.0.0         255.255.255.0   U     0      0        0
vif1.0
192.168.3.0     0.0.0.0         255.255.255.0   U     0      0        0
vif1.0
182.20.0.0     0.0.0.0         255.255.0.0     U     0      0        0
eth0
0.0.0.0         182.20.127.255  0.0.0.0         UG    0      0        0
eth0

When I login to vm01, no ssh connection to any remote client. The remote
client still can ssh to dom0.

On Wed, 18 Jan 2006, Jayesh Salvi wrote:

> Date: Wed, 18 Jan 2006 10:12:17 -0600
> From: Jayesh Salvi <jayeshsalvi@xxxxxxxxx>
> To: B. Liu <bl246@xxxxxxxxxxxxxxxx>
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] no ssh login
>
> Your dom0 routing table is still routing the traffic to your bridge from old
> setup. use brctl to remove xenbr0 you have.
> Then try:
> ifconfig vifx.y 192.168.3.1 netmask 255.255.255.0 up (Alternatively after
> removing xenbr0 if you create a new domU the ifconfig will have done this
> step automatically, picking up some IP address for new vif)
> This step should also have corrected your routing table.
>
> Then you will have to update your domU routing table so that it now routes
> the traffic to the new gateway.
> If you run into problems while doing this, post output of your ifconfig and
> route -n at that point.
>
Bin

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