Xen users - Nov 2007 - Help: set up a 1:1 public IP (physical) bridge to virtual interface.

GOAL: set up a 1:1 public IP bridge to virtual interface. Connecting physical
straight to the virtual.

I want to give the physical NIC a public IP while the vif will also have the
same IP without losing one public IP from my ISP provider in creating another
subnet of addresses.  I want to keep all traffic entering public IP a to also
leave the same interface since the IP addresses are used by different clients. 
Is this possible.  I have the system currently set up to use IP a and all sub
IPs are bridge/routed through that same IP a which is not desirable.


    I can create a single bridge for a network and assign that bridge using:

    i.e. (private IPs)

    #
    #  Networking
    #
    vif         = [
                   
''ip=10.0.0.1,mac=00:16:3e:70:01:02,bridge=xenbr0'',
                   
''ip=192.168.1.2,mac=00:16:3e:70:01:03,bridge=xenbr1'',
                   
''ip=192.168.1.3,mac=00:16:3e:70:01:04,bridge=xenbr1''
                  ]

    or just simply...

    vif         = [
                   
''ip=192.168.1.2,mac=00:16:3e:70:01:03,bridge=xenbr1''
                  ]

    ..with no other bridge or network using xenbr1.  But this situation
    utilizes two IP addresses not a single IP.


-Adam


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