Reasons why the Option 82 field in packets sent by other devices is replaced after the function of forcibly appending the Option 82 field is configured on S9700

S series switches support the Option 82 insertion function. The switch adds the configured Option 82 to received DHCP packets that do not contain the Option 82 field. If the packets received from other devices contain Option 82 fields, the switch deletes their original Option 82 fields and adds the configured Option 82 field to the packets.

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