C
HAPTER
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| Basic Administration Protocols
Link Layer Discovery Protocol
– 364 –
◆ System Name – A string that indicates the system’s administratively
assigned name.
Port Details
◆ Local Port – The local port to which a remote LLDP-capable device is
attached.
◆ Chassis Type – Identifies the chassis containing the IEEE 802 LAN
entity associated with the transmitting LLDP agent. There are several
ways in which a chassis may be identified and a chassis ID subtype is
used to indicate the type of component being referenced by the chassis
ID field. (See Table 23, "Chassis ID Subtype," on page 361.)
◆ Chassis ID – An octet string indicating the specific identifier for the
particular chassis in this system.
◆ System Name – A string that indicates the system’s assigned name.
◆ System Description – A textual description of the network entity.
◆ Port Type – Indicates the basis for the identifier that is listed in the
Port ID field.
◆ Port Description – A string that indicates the port’s description. If RFC
2863 is implemented, the ifDescr object should be used for this field.
◆ Port ID – A string that contains the specific identifier for the port from
which this LLDPDU was transmitted.
◆ System Capabilities Supported – The capabilities that define the
primary function(s) of the system. (See Table 24, "System
Capabilities," on page 362.)
◆ System Capabilities Enabled – The primary function(s) of the
system which are currently enabled. (See Table 24, "System
Capabilities," on page 362.)
Table 25: Port ID Subtype
ID Basis Reference
Interface alias IfAlias (IETF RFC 2863)
Chassis component EntPhysicalAlias when entPhysClass has a value of ‘chassis(3)’
(IETF RFC 2737)
Port component EntPhysicalAlias when entPhysicalClass has a value ‘port(10)’ or
‘backplane(4)’ (IETF RFC 2737)
MAC address MAC address (IEEE Std 802-2001)
Network address networkAddress
Interface name ifName (IETF RFC 2863)
Agent circuit ID agent circuit ID (IETF RFC 3046)
Locally assigned locally assigned
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