3Com S7902E, Configuration Manual

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1-4
Type Description Remarks
Port Description Port description of the sending port.
System Name Assigned name of the sending device.
System Description Description of the sending device.
System Capabilities
Identifies the primary functions of the sending device and the
primary functions that have been enabled.
Management
Address
Management address used to reach higher level entities to
assist discovery by network management, and the interface
number and OID (object identifier) associated with the
address.
Optional
2) IEEE 802.1 organizationally specific TLVs
Table 1-4 IEEE 802.1 organizationally specific TLVs
Type Description
Port VLAN ID PVID of the sending port
Port And Protocol VLAN ID Port and protocol VLAN IDs
VLAN Name A specific VLAN name on the port
Protocol Identity Protocols supported on the port
Currently, 3Com Switches S7900E support receiving but not sending protocol identity TLVs.
3) IEEE 802.3 organizationally specific TLVs
Table 1-5 IEEE 802.3 organizationally specific TLVs
Type Description
MAC/PHY Configuration/Status
Contains the rate and duplex capabilities of the sending port,
support for auto negotiation, enabling status of auto
negotiation, and the current rate and duplex mode.
Power Via MDI
Contains Power supply capability of the port, including the
PoE type (PSE or PD), PoE mode, whether PSE power
supply is supported, whether PSE power supply is enabled,
and whether the PoE mode is controllable.
Link Aggregation
Indicates the support of the port for link aggregation, the
aggregation capability of the port, and the aggregation status
(that is, whether the link is in an aggregation).
Maximum Frame Size
Indicates the supported maximum frame size. It is now the
MTU of the port.
Power Stateful Control
Power state control configured on the sending port, including
the power type of the PSE/PD, PoE sourcing/receiving
priority, and PoE sourcing/receiving power.