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Ethernet Switches & Routers

New Contributor
Posts: 3
Registered: ‎05-27-2010

Option 82 Load

I have a MLX with 8,000 entries in the MAC table. Most of these are in a single vlan where my video STB boxes are. I would like to break this up into multiple vlans. In order to get this done I want to add option 82 and setup the DHCP server to hand out new addresses to certain interfaces. Then I will migrate these to a new vlan. 


How much load on the CPU is option 82 with 8,000 Macs? Is there any way to turn DHCP snoop off of a interface but still have it running on the Vlan it is in? If so I could just run it on the interfaces that I am moving to a new vlan.




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