Cisco 521SG Administration Guide - Page 142

Configuring Security, Quality, and Network Features Configuring VLAN Settings 5 • IEEE 802.3 MAC/PHY Configuration/Status TLV (for wired network only) • LLDP-MED Capabilities TLV • LLDP-MED Network Policy TLV (for application type=Voice only) • LLDP-MED Extended Power-Via-MDI TLV (for wired network only) • LLDP-MED Firmware Revision TLV • End of LLDPDU TLV The outgoing LLDPDU contains all the above TLVs when if applicable. For the incoming LLDPDU, the LLDPDU is discarded if any of the following TLVs are missing. All other TLVs are not validated and ignored. • Chassis ID TLV • Port ID TLV • Time to live TLV • LLDP-MED Capabilities TLV • LLDP-MED Network Policy TLV (for application type=Voice only) • End of LLDPDU TLV The phone sends out the shutdown LLDPDU if applicable. The LLDPDU frame contains the following TLVs: • Chassis ID TLV • Port ID TLV • Time to live TLV • End of LLDPDU TLV There are some restrictions in the implementation of LLDP-MED on the Cisco IP Phones: • Storage and retrieval of neighbor information is not supported. • SNMP and corresponding MIBs are not supported. • Recording and retrieval of statistical counters are not supported. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 141