Changing IP Block on SSG Interface



  • So my ISP has handed us a new IP block.  Currently they are routing our old IP block and our new IP block down the same connection.  I was wondering if there was a gradual way of transitioning our internal equipment to the new IP block to not cause any major outages.

    I was thinking I would:

    • Create a subinterface on the interface where the internet is connected with the new addressing scheme.
    • Incrementally flip over MIPs and DIPs to the new outside addressing scheme as required.

    Does this sound like a valid plan?  Any caveats anyone can think of?


 

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