Dell Force10 E1200i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 572
Extended Power via MDI TLV, Power Type, Power Source, Power Priority, Power Value
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www.dell.com | support.dell.com Figure 29-5. LLDP-MED Policies TLV TLV Type (127) 7 bits TLV Length (8) Organizationally Organizationally Unique ID Defined Sub-type Application Type U (00-12-BB) (2) (0-255) T X (0) 9 bits 3 octets 1 octet 1 octet 3 bits VLAN ID (0-4095) 12 bits L2 Priority (0-7) DSCP Value (0-63) 3 bits 6 bits Extended Power via MDI TLV The Extended Power via MDI TLV enables advanced PoE management between LLDP-MED endpoints and network connectivity devices. Advertise the Extended Power via MDI on all ports that are connected to an 802.3af powered, LLDP-MED endpoint device. • Power Type-there are two possible power types: Power Sourcing Entity (PSE) or Power Device (PD). The Dell Force10 system is a PSE, which corresponds to a value of 0, based on the TIA-1057 specification. • Power Source-there are two possible power sources: Primary and Backup. The Dell Force10 system is a Primary Power Source, which corresponds to a value of 1, based on the TIA-1057 specification. • Power Priority-there are three possible priorities: Low, High, and Critical. On Dell Force10 systems, the default power priority is "High," which corresponds to a value of 2 based on the TIA-1057 specification. You can configure a different power priority through the CLI, Dell Force10 also honors the power priority value sent by the powered device. However, the CLI configuration takes precedence. • Power Value-Dell Force10 advertises the maximum amount of power that can be supplied on the port. By default it is 15.4W, which corresponds to a Power Value of 130, based on the TIA-1057 specification. You can advertise a different Power Value using the max-milliwatts option with the power inline auto | static command. Dell Force10 also honors the power value (power requirement) sent by the powered device when the port is configured for power inline auto. Figure 29-6. Extended Power via MDI TLV TLV Type (127) 7 bits TLV Length (7) Organizationally Organizationally Unique ID Defined Sub-type (00-12-BB) (4) Power Type (0) Power Source (1) Power Priority (2) Power Value (130) 9 bits 3 octets 1 octet 2 bits 2 bits 4 bits 2 octets fnC0056mp 572 | Link Layer Discovery Protocol
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