3 public IP in one ADSL modem

By udaykiran397
Apr 17, 2009
  1. hello this is uday and New is this site.i am facing problem with 3 public ip in one adsl modem it is possable or if possable tell me how
  2. jobeard

    jobeard TS Ambassador Posts: 9,153   +598

    That's call a Virtual Ethernet Interface but requires three sources to feed the virtual addresses, eg:
    --- 192.168.1.x network ------+
    --- 172.16.10.x network ---+  |  
    --- 10.101.23.x network -+ |  |
                             | |  |
                         common switch ---- [B]systemX[/B] with Virtual Interfaces
    Then systemX can have one NIC which has a real ip address on (say) the 192.168.1 net,
    and virtual addresses for the 172.16.10 and 10.101.23 net

    The source networks could just as easily be public ISP connections thru separate modems
    (which would require 3x DSL lines and modems for example).

    here's a reference for How-To on Linux

    and a reference for Win/XP
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