D-Link DGS-3200-10 Product Manual - Page 36
Implementation of DHCP Relay Agent Information Option 82 - commandments
UPC - 790069306310
View all D-Link DGS-3200-10 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 36 highlights
xStack® DGS-3200 Series Layer 2 Gigabit Ethernet Managed Switch Implementation of DHCP Relay Agent Information Option 82 The config dhcp_relay opti on_82 command configures the DHCP relay ag ent information option 82 setting of the Switch . The formats for the circuit ID sub-option and the remote ID sub-option are as follows: NOTE: For the circuit ID sub-option of a standalone switch, the module field is always zero. Circuit ID sub-option format: 1. 1 1 byte 2. 3. 6 1 byte 4. 0 1 byte 4 1 byte 5. VLAN 2 bytes 6. 7. Module Port 1 byte 1 byte 1. Sub-option type 2. Length 3. Circuit ID type 4. Length 5. VLAN: the incoming VLAN ID of DHCP client packet. 6. Module: For a standalone switch, the Module is always 0; for a stackable switch, the Module is the Unit ID. 7. Port: The incoming port number of the DHCP client packet, the port number starts from 1. Remote ID sub-option format: 1. 2 1 byte 2. 3. 8 1 byte 0 1 byte 4. 6 1 byte 5. MAC address 6 bytes 1. Sub-option type 2. Length 3. Remote ID type 4. Length 5. MAC address: The Switch's system MAC address. Figure 2 - 19. Circuit ID and Remote ID Sub-option Format 23