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Cisco MGX 8850 Multiservice Switch Installation and Configuration
Release 1.1.31, Part Number 78-11223-03 Rev. B0, May 2005
Chapter 5 Configuring the MGX 8850 Shelf
Initial Shelf Bring-Up
Maintenance Port
Through the maintenance port (sometimes called the modem port), you can connect either a single
workstation running an IP-based application or a terminal server that supports multiple workstations.
The workstation must support SLIP. Typically, use of this port includes a modem because the shelf
resides at a remote location. The typical applications are software and firmware download or tasks that
require low-level access.
Other Ports
Other ports exist on the PXM1-UI and PXM-UI-S3. These ports support external clock sources and
external, third-party audio or visual alarm systems. For information on the function of other ports, see
Chapter 6, “Card and Service Configuration”.
IP-Based Applications
The maintenance port and Ethernet port support IP-based applications. Through these ports, the
following applications run:
• Telnet supports CLI command execution from any IP-based application window as well as a window
in the Cisco WAN Manager application.
• TFTP lets you download firmware and upload and download configuration information.
• SNMP supports equipment management through the CiscoView application and connection
management through the Cisco WAN Manager application.
Initial Shelf Bring-Up
This section describes how to start up the MGX 8850 shelf for the first time.
• If the PXM1 does not have a runtime (or “online”) firmware image, begin with the “Bringing Up a
PXM1 with No Runtime Firmware” section on page 5-4.”
• If the PXM1 has a runtime firmware image, go to the “Configuring Node-Level Parameters” section
on page 5-6.”
These sections contain instructions for the following tasks:
• Establish communication with a shelf.
• Configure one or more boot-level IP addresses to make the shelf available to the network.
• Download PXM1 firmware.
• Configure a new, shelf-level Ethernet IP address for the PXM1 as needed or other SLIP or
IP addresses.
• Specify a name for the shelf.
• Specify the time on the shelf.
• Optionally configure a time zone for the Western Hemisphere, or configure a time zone relative to
Greenwich Mean Time if the shelf resides outside the Western Hemisphere.
• Download firmware to the service modules.