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FTOS Configuration Guide for the C-Series - Force10 Networks

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Table 23 Optional TLV Types<br />

Type TLV Description<br />

IEEE 802.3 Organizationally Specific TLVs<br />

127 MAC/PHY <strong>Configuration</strong>/Status Indicates <strong>the</strong> capability and current setting of <strong>the</strong> duplex status and bit<br />

rate, and whe<strong>the</strong>r <strong>the</strong> current settings are <strong>the</strong> result of auto-negotiation.<br />

This TLV is not available in <strong>the</strong> <strong>FTOS</strong> implementation of LLDP, but is<br />

available and mandatory (non-configurable) in <strong>the</strong> LLDP-MED<br />

implementation.<br />

127 Power via MDI On <strong>Force10</strong> systems, indicates <strong>the</strong> Power over E<strong>the</strong>rnet capabilities and<br />

status of <strong>the</strong> port, and whe<strong>the</strong>r <strong>the</strong> port is Power Sourcing Equipment or<br />

a Powered Device. <strong>FTOS</strong> does not currently support this TLV.<br />

127 Link Aggregation Indicates whe<strong>the</strong>r <strong>the</strong> link is capable of being aggregated, whe<strong>the</strong>r it is<br />

currently in a LAG, and <strong>the</strong> port identification of <strong>the</strong> LAG. <strong>FTOS</strong> does not<br />

currently support this TLV.<br />

127 Maximum Frame Size Indicates <strong>the</strong> maximum frame size capability of <strong>the</strong> MAC and PHY<br />

TIA-1057 (LLDP-MED) Overview<br />

Link Layer Discovery Protocol—Media Endpoint Discovery (LLDP-MED)—as defined by ANSI/<br />

TIA-1057— provides additional organizationally specific TLVs so that endpoint devices and network<br />

connectivity devices can advertise <strong>the</strong>ir characteristics and configuration in<strong>for</strong>mation; <strong>the</strong> OUI <strong>for</strong> <strong>the</strong><br />

Telecommunications Industry Association (TIA) is 00-12-BB.<br />

• LLDP-MED Endpoint Device—any device that is on an IEEE 802 LAN network edge can<br />

communicate using IP and uses <strong>the</strong> LLDP-MED framework.<br />

• LLDP-MED Network Connectivity Device—any device that provides access to an IEEE 802 LAN<br />

to an LLDP-MED endpoint device and supports IEEE 802.1AB (LLDP) and TIA-1057 (LLDP-MED).<br />

The <strong>Force10</strong> system is an LLDP-MED network connectivity device.<br />

With regard to connected endpoint devices, LLDP-MED provides network connectivity devices with <strong>the</strong><br />

ablity to:<br />

• manage inventory<br />

• manage Power over E<strong>the</strong>rnet (PoE)<br />

• identify physical location<br />

• identify network policy<br />

LLDP-MED is designed <strong>for</strong>, but not limited to, VoIP endpoints.<br />

TIA Organizationally Specific TLVs<br />

The <strong>Force10</strong> system is an LLDP-MED Network Connectivity Device (Device Type 4). Network<br />

connectivity devices are responsible <strong>for</strong>:<br />

• tranmitting an LLDP-MED capabilities TLV to endpoint devices<br />

286 Link Layer Discovery Protocol

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