Dell PowerConnect B-FCXs Web Management Interface User Guide - Page 24

Monitoring MAC addresses

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3 Monitoring MAC addresses Status LED display • The status LEDs that appear on the front panel provides information about system activity. StackMaster PWR StackLink RPS Module Diag LED colors Green/active Amber/active Grey/off Active Controller (Device role in the stack) StackLink Module PWR (Power) RPS (Redundant Power Supply) Diag (Diagnostics) • Green - Active Controller. • Amber - Standby Controller. • Off - Stack Member. • Green - Both stacking physical links are active. • Amber - One stacking physical link is active. • Off - None of stacking ports are active. • Green - Both stacking 10Gb modules are present. • Amber - One stacking 10Gb module is present. • Off - No stacking 10Gb module. • Green - Power is on. • Amber - Power supply failure. • Off - Power is off. • Green - RPS is operational (the main supply, power is unplugged). • Amber - RPS is standby (the main supply power is on). • Gray - RPS is not plugged in. • Green - Manufacturing diagnostics are in progress. • Off - No manufacturing diagnostics. Monitoring MAC addresses The Media Access Control (MAC) Address table contains a list of addresses that have been learned by the device. A MAC address is a unique identifier assigned to most network adapters or NICs, usually encoded with the manufacturer's registered ID number. MAC addresses appear in the format xx-xx-xx-xx-xx-xx. The stack is identified in the network by a single MAC address, usually the MAC address of the Active Controller (the default). If a new Active Controller is elected, the MAC address of the new Active Controller (by default) becomes the MAC address for the entire stack. However, you can manually configure your stack to use a specified MAC address. In a stack, the managing MAC address is generated by the software, and it is always the MAC address of the Active Controller first port. This ensures that the managing MAC address remains consistent across stack reboots, and helps prevent frequent topology changes as a result of protocol enabling and disabling, and configuration changes. 14 PowerConnect B-Series FCX Web Management Interface User Guide 53-1002268-01

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14
PowerConnect B-Series FCX Web Management Interface User Guide
53-1002268-01
Monitoring MAC addresses
3
Status LED display
•
The status LEDs that appear on the front panel provides information about system activity.
Monitoring MAC addresses
The Media Access Control (MAC) Address table contains a list of addresses that have been learned
by the device. A MAC address is a unique identifier assigned to most network adapters or NICs,
usually encoded with the manufacturer’s registered ID number. MAC addresses appear in the
format xx-xx-xx-xx-xx-xx.
The stack is identified in the network by a single MAC address, usually the MAC address of the
Active Controller (the default). If a new Active Controller is elected, the MAC address of the new
Active Controller (by default) becomes the MAC address for the entire stack. However, you can
manually configure your stack to use a specified MAC address.
In a stack, the managing MAC address is generated by the software, and it is always the MAC
address of the Active Controller first port. This ensures that the managing MAC address remains
consistent across stack reboots, and helps prevent frequent topology changes as a result of
protocol enabling and disabling, and configuration changes.
Active Controller (Device role in
the stack)
•
Green – Active Controller.
•
Amber – Standby Controller.
•
Off – Stack Member.
StackLink
•
Green – Both stacking physical links are active.
•
Amber – One stacking physical link is active.
•
Off – None of stacking ports are active.
Module
•
Green – Both stacking 10Gb modules are present.
•
Amber – One stacking 10Gb module is present.
•
Off – No stacking 10Gb module.
PWR
(Power)
•
Green – Power is on.
•
Amber - Power supply failure.
•
Off – Power is off.
RPS
(Redundant Power Supply)
•
Green – RPS is operational (the main supply, power is unplugged).
•
Amber – RPS is standby (the main supply power is on).
•
Gray – RPS is not plugged in.
Diag
(Diagnostics)
•
Green – Manufacturing diagnostics are in progress.
•
Off – No manufacturing diagnostics.
RPS
StackMaster
PWR
StackLink
Module
Diag
Green/active
Amber/active
Grey/off
LED colors