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Using the BayStack 410-24T 10BASE-T Switch
1-26
309985-A Rev 00
Stack MAC Address
The Stack MAC address is automatically assigned during the stack initialization.
The base unit’s MAC address, with a software offset, is used for the Stack MAC
address.
For example, if the base unit’s MAC address is:
00-00-82-99-44-00
and the Stack software offset is: 1F
then the Stack MAC address becomes:
00-00-82-99-44-1F
If another unit in the stack is assigned as the base unit, the MAC address of the
new base unit (with offset) now applies to the stack configuration. The original
stack IP address still applies to the new base unit.
Temporary Base Unit
If an assigned base unit fails, the next unit in the stack order automatically
becomes the new temporary base unit. This change is indicated by the Base LED
on the temporary base unit’s LED display panel turning on (amber). For detailed
information about the base LED, see Table 1-1
on page 1-4.
This automatic process is a temporary safeguard only. If the stack configuration
loses power, the temporary base unit will not power up as the base unit when
power is restored. For this reason, you should always assign the temporary base
unit as the base unit (set the Unit Select switch to Base) until the failed unit is
repaired or replaced.
Note:
If you do not reassign the temporary base unit as the new base unit, and
the temporary base unit fails, the next unit directly downstream from this unit
becomes the new temporary base unit. This process can continue until there
are only two units left in the stack configuration.