DHCP Principles
Page 938 7210 SAS-X OS Services Guide
1. From the client to the DHCP server (Discover or Request messages) to insert Option 82
information; For these applications, DHCP snooping must be enabled on the SAP
towards the subscriber.
2. From the DHCP server (ACK messages), to remove the Option 82 field towards the
client. For these applications, DHCP snooping must be enabled on both the SAP towards
the network and the SAP towards the subscriber.
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