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Forum Discussion

tantony's avatar
tantony
Luminary
Jul 25, 2021
Solved

DHCP snooping S3300 switches

I'm thinking about enabling DHCP snooping on my Netgear switches.  This is my first time, and I have a few questions to make sure I'm not doing anything wrong.  I have 4 VLANs in my network.   I h...
  • schumaku's avatar
    schumaku
    Jul 26, 2021

    By rule of thumb:

     

    • Enable DHCP Snooping on all switches
    • Define the uplink interfaces for the DHCP snooping
    • Define the DHCP server MAC on each VLAN to establish the trust
tantony's avatar
tantony
Luminary
Jul 25, 2021

One more question.  Lets say I have VLANS 2,4.  What if I enable DHCP snooping for those VLANs, but the rouge DHCP server is also on VLAN 2 or 4?

 

Watched this YouTube video, seems straight forward.  Although not on a Netgear switch, but it shouldn't matter right?

 

https://www.youtube.com/watch?v=2eNsoS9Ri6w&ab_channel=NorthwoodsPS 

tantony's avatar
tantony
Luminary
Jul 26, 2021
  • schumaku's avatar
    schumaku
    Guru - Experienced User
    Jul 26, 2021

    By rule of thumb:

     

    • Enable DHCP Snooping on all switches
    • Define the uplink interfaces for the DHCP snooping
    • Define the DHCP server MAC on each VLAN to establish the trust

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