Users Guide

Once the cascade interfaces are configured, the PE starts functioning in a dual homing setup as shown
in the following diagram:
Figure 109. Standalone System and System with PE — After setting up Dual Homing
You can configure PE 1 from both System A and System B.
Upgrading to OS 9.10(0.0)
To upgrade the Dell Networking OS 9.9(0.0) to OS 9.10(0.0):
Upgrade the bootflash of the devices to 3.3.1.18 in OS 9.10.0.0.
Upgrade the system-image in the Controlling Bridge (CB). Select the flash partition path to boot from,
then Save and Reload.
The following example shows a CB and a PE running OS 9.9(0.0):
Dell#show version
Dell Real Time Operating System Software
Dell Operating System Version: 2.0
Dell Application Software Version: 9.9(0.0)
Copyright (c) 1999-2015 by Dell Inc. All Rights Reserved.
Build Time: Tue Sep 8 03:51:15 2015
Build Path: /sites/eqx/work/swbuild01_1/patch02/E9-9-0/SW/SRC
Dell Networking OS uptime is 10 minute(s)
System image file is "system://A"
System Type: C9010
Control Processor: Intel Rangeley with 2 Gbytes (2127536128 bytes) of memory,
core(s) 4.
Route Processor: Intel Rangeley with 2 Gbytes (2127536128 bytes) of memory,
core(s) 4.
Port Extenders (PEs) 838