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DHCP - Do i need to use exclusions ?

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  • DHCP - Do i need to use exclusions ?

    Hi,

    Do i need to use the exclusion option on the DHCP or just assign the start of the IP distribution from a later IP ?
    What is the best practice ?

    Example: I have 192.168.10.1 - 192.168.10.254
    I want to give the servers Static IP from 192.168.10.2 - 192.168.10.50
    And I want to give the LAN computers a Dynamic IP from the DHCP from 192.168.10.51 - 192.168.10.254

    I have 2 ways to do that:

    1. add the whole ip range to the DHCP and add the servers range as an exclusion. then assign IPs staticly / manually.

    2. start the distribution from 192.168.10.51 and assign the IPs staticly / manually to the servers below this range (from 192.168.10.2-192.168.10.50)

    Your input is appreciated.

    Thanks

  • #2
    Re: DHCP - Do i need to use exclusions ?

    IMHO go with exclusions
    For a small office I scope a whole class C range and then exclude low numbers (servers) and high numbers (routers, printers etc) leaving 150-200 valid addresses
    The main benefit is that if I really run short of IPs I can remove an exclusion, whereas a more limited scope cannot easily be extended without deleting and re-creating it
    Tom Jones
    MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
    PhD, MSc, FIAP, MIITT
    IT Trainer / Consultant
    Ossian Ltd
    Scotland

    ** Remember to give credit where credit is due and leave reputation points where appropriate **

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