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Thread: recommendations for wireless access point that does this...

  1. #21
    ps56k
    Guest

    Re: wireless access point - WNR2000 router

    >>
    >> grabbing the manual -
    >> ftp://downloads.netgear.com/files/WN...UM_24FEB09.pdf
    >>
    >> yup -
    >> the Basic Settings on section 1-4 - is for the WAN connection to an ISP
    >>
    >> the Customize Network Settings on section 4-1 is the local LAN side.
    >> (defaults to 192.168.1.1)
    >>
    >> BTW - what IP address scheme are you using for the rest of your wired
    >> network ?
    >> ie - like 192.168.1.xxx ?

    >
    > Yes that exactly ^
    >
    >>
    >> Since you have a small network -
    >> just make sure that any DHCP address ranges are reset for just a couple
    >> of
    >> devices,
    >> are NOT being used by your wired static IP devices...
    >>

    >
    > I assume that a DHCP server never blindly allocates an addr without
    > sniffing
    > to see if it's being used by a static device first? In any case, I see the
    > Netgear box can be set to only allocate addrs between certain ranges if
    > the
    > above is a problem.
    >
    > I can only access the premises where this gear is at odd times so my next
    > chance to attack it won't be until Monday.
    >


    DHCP just assigns - it has no idea what else you are doing -

    that's why I said to reset the rangle....
    it's kinda dumb for the Netgear default
    to assign the entire IP range to DHCP

    Also - don't overlap DHCP servers
    by having more than 1 server assigning in the same IP range.




  2. #22
    George
    Guest

    Re: wireless access point - WNR2000 router

    On 2/26/2010 12:43 PM, DanS wrote:
    >> I assume that a DHCP server never blindly allocates an addr without
    >> sniffing to see if it's being used by a static device first?

    >
    > Your assumption is most likely wrong.
    >



    Depends, some (many?) can be set to do conflict detection.

    > (I am not fully aware how all DHCP servers in all devices work, maybe some
    > do check, but I've never seen it.)



  3. #23
    DanS
    Guest

    Re: wireless access point - WNR2000 router

    George <george@nospam.invalid> wrote in
    news:hm9a6s$i9l$1@news.eternal-september.org:

    > On 2/26/2010 12:43 PM, DanS wrote:
    >>> I assume that a DHCP server never blindly allocates an addr without
    >>> sniffing to see if it's being used by a static device first?

    >>
    >> Your assumption is most likely wrong.
    >>
    >> (I am not fully aware how all DHCP servers in all devices work, maybe
    >> some do check, but I've never seen it.)


    > Depends, some (many?) can be set to do conflict detection.


    .......hence the *most likely* wrong and the disclaimer about not being
    familiar with every device the offers DHCP!

    Regardless (no, not irregardless) of whether or not any DHCP server does do
    conflict detection, it should still be set up with a proper scope. A device
    with a static IP that is in-scope may not be attached to the network (or
    powered down) when the DHCP server does the conflict detection anyway.

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