Backup Master Function - D-Link DFE-2600 Series User Manual

Dual-Speed Stackable Hubs User's Guide
ordinary RS-232C cable. The terminal communications parameters
should be set to 9600bps, 8 bits, no parity, and 1 stop bit.
2.
As the hub begins its boot process, hit Control-C to enter the PROM
System Menu.
3.
Choose TCP/IP Parameters Configuration, and enter a valid IP ad-
dress, network mask, and (optional) gateway router IP address.
Choose SAVE and press <Enter> to let the changes take effect,
and then choose EXIT.
4.
If you will not be using TFTP to download a hub configuration file,
choose Software Update and toggle the Software Update Control to
Disable using the Space Bar. Again, choose SAVE and then EXIT.
5.
Choose Execute Bootstrap to restart the hub.
You are now ready to use your DFE-2600 series hub stack, and to manage it
from a network management station on your network. See the Stack Man-
agement User's Guide for more information about how to manage the stack
using the D-View Network Management Program.

Backup Master Function

Within a DFE-2600 series hub stack, in addition to a master hub for man-
agement purposes, a standby backup master can also be installed. If a hub
stack has two master units, the master unit powered-on first or the unit
which is higher in the stack will manage the stack and be designated the
" Primary Master." Master hubs in the series include a built-in contention
algorithm which determines which hub will manage the stack and which
will operate in standby mode. If, during power-on, the two master hubs in
the stack both attempt to initialize as the Primary Master, this collision will
result in an automatic stack reset indicated by all hub ID numbers changing
to 0 temporarily. If the currently managing hub fails or is powered-off, the
standby master will take over management of the hub stack.
40 Master Hub Setup and Management