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DHCP server traffic filter problem (Cisco uBR7114E)

alpnet alpnet is offline
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Join Date: Apr 2007
Posts: 1

I am an administrator of a small cable modem network. I use cisco uBR7114E as CMTS. It is configured as bridge mode. DHCP server is on on other linux server.

However, I have a small problem, if some cable modem is configured as DHCP server, the other cable modems request IP addresses from this cable modem. How can I filter the traffic between cable modems (specially the DHCP traffic)?

I don't want to filter the traffic with the real DHCP server (which is not behind cable modem, but in the same switch).
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