[Xen-devel] Re: Qestion about the Xen network?

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Bei Guan, le Fri 22 Oct 2010 22:56:29 +0800, a écrit :
> root@ubuntu:~/test1# ./server 13
> Server get connection from 192.168.122.1
> 
> [root@localhost test1]# ./client 192.168.122.187 13
> agrv[1] = 192.168.122.187
> I have received:Hello! Are You Fine?
> 
> I can not understand why the server just print the virbr0' IP address (it is
> xen net bridge) other than Dom0's real IP, 192.168.1.129.

Because that's the IP of the Dom0 interface from which the connection is
made.  It's just the same as in a usual intranet/internet router box.

> What the relationship
> between the two IPs(192.168.1.129 and 192.168.122.1)?

None, except your dom0 has these two addresses.

> If I put server in Dom0 and the client in Ubuntu. The client can not connect 
> to
> the server. However, I can ping Dom0's IP (192.168.1.129) successfully from
> Ubuntu. What's reason?

We can't divine, show your code / iptables configuration / tcpdump
output.  The usual network stuff, actually.

Samuel

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