Cisco 521SG - Unified IP Phone VoIP Administration Manual page 142

Configuring Security, Quality, and Network Features
Configuring VLAN Settings
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
• 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.
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