[c-nsp] preventing unwanted devices on the network

[Dan Letkeman]

Ya, is there any way to do that without third party devices?

On Sat, May 31, 2008 at 11:42 PM, Joe Maimon <jmaimon at ttec.com> wrote:
> You want a product that does nat detection.
>
> Have a look at this vendor
>
> https://www.bradfordnetworks.com
>
>
>
> Dan Letkeman wrote:
>>
>> Hello,
>>
>> I'm looking for the best way to prevent unwanted wireless routers or
>> other unwanted bridging devices on a network.  For example a wireless
>> router with the wan port plugged in to the network or a router in
>> bridging mode with dhcp off.
>>
>>> From other posts I have read about using dhcp snooping.  I'm wondering
>>
>> if it works when someone plugs in a router into a switch because the
>> "wan" port will only request an address, the dhcp will be on the
>> routers "lan" side.
>>
>> Also I would like to prevent unwanted static ip addresses on this
>> network as well.  My current setup is a 3560 switch which has multiple
>> 2960 switches connected to it.  I would like to prevent this type of
>> traffic right at the edge ports.  Would an access list be the
>> appropriate way to protect this?  Unfortunately port security will not
>> work for us.
>>
>> Thanks,
>> Dan.
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>>
>