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Stack configuration 51
Cascade up stack configuration
Regardless of stack configuration, the following applies:
•
When power is applied to the stack the base unit initializes, typically
within 60 seconds, and the entire stack powers up as a single logical unit.
•
A RS-232 communications cable can be attached to the console port of
any switch in the stack to establish a console connection.
• A software upgrade can be performed on the stack from any switch using
the console interface, a Telnet session, the web-based management
interface, or any SNMP-based management software.
•
The stack can be managed using a Telnet session, web-based
management interface, or any SNMP-based management software
through any stack switch port.
• When stacking two or more switches. use the 3 meters cascade
max-return cable (part number AL2518003-E6) to complete the link
from the last unit in the stack to the 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 LED display panel moving to a steady
amber state.
Nortel Ethernet Routing Switch 2500 Series
Overview — System Configuration
NN47215-500 (323162-B) 02.02 Standard
4.1 19 November 2007
Copyright © 2007, Nortel Networks
.