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Rogue DHCP Server filter

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Document Date and version2021.02.02
Tested with ONT HALNy HL-1GE/2, HL-1GC, HL-4G, HL-4GMVSupported on Version: V2.0.16 or above
Tested with ONT HALNy HL-4GQV / HL-4GQVS / HL-4GQVS2 / HL-4GXV / HL-4GXV-FSupported on Version: V3.0.11 or above
Tested with ONT HALNy HL-1B, HL-2BV, HL-4G2Supported on Version: V4.0.4 or above
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Why you need rogue DHCP Server filter:

When you accidentally connect device with enabled DHCP server to the ONT – it will block DHCP OFFER/ACK packets flooding to the uplink network. Also it’s security feature protecting you from man-in-the-middle attack
That feature is activated by default, it may be disabled in LAN section or via XML file.

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