C
HAPTER
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| Basic Administration Protocols
Link Layer Discovery Protocol
– 385 –
◆ 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 administratively
assigned name (see "Displaying System Information" on page 97).
◆ System Description – A textual description of the network entity. This
field is also displayed by the show system command.
◆ System Capabilities Supported – The capabilities that define the
primary function(s) of the system.
◆ System Capabilities Enabled – The primary function(s) of the
system which are currently enabled. Refer to the preceding table.
◆ Management Address – The management address protocol packet
includes the IPv4 address of the switch. If no management address is
available, the address should be the MAC address for the CPU or for the
port sending this advertisement.
Table 27: Chassis ID Subtype
ID Basis Reference
Chassis component EntPhysicalAlias when entPhysClass has a value of ‘chassis(3)’
(IETF RFC 2737)
Interface alias IfAlias (IETF RFC 2863)
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)
Locally assigned locally assigned
Table 28: System Capabilities
ID Basis Reference
Other —
Repeater IETF RFC 2108
Bridge IETF RFC 2674
WLAN Access Point IEEE 802.11 MIB
Router IETF RFC 1812
Telephone IETF RFC 2011
DOCSIS cable device IETF RFC 2669 and IETF RFC 2670
End Station Only IETF RFC 2011
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