Dell EMC Configuration Guide for the S3100 Series 9.14.2.4

Advertising Extended Power

The power device(PD) sends the information in the LLDP-MED extended power via MDI TLV and information in the IEEE 802.3 power via MDI TLV.

Dell Networking OS uses the following information sent through LLDP-MED extended power-via-MDI TLV. The power is advertised using the advertise med power-via-mdi command.

• Power Requirement — Used for power allocation.
• Power Priority — Used for priority calculation. The values are: Critical, High, Low.
• External Power Source — Not used.

Dell Networking OS uses the following information sent through IEEE 802.3 power-via-mdi TLV. The power is advertised using the advertise dot3-tlv power-via-mdi command.

• Power Class — Displayed in the show power inline EXEC command. The PD-requested power value must be within the limits of the maximum watts.
• Type — Displayed in the show power inline EXEC command and is used only when the PD is Type1 or Type2. The Type1 or Type2 PSE requests are not used.
• Priority — Used for priority calculation.
• PD requested power value — Used for power allocation.
• PSE allocated power value — Used to check whether the PD is in sync with the PSE.