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8 Installing a Cascaded System
This section outlines the installation procedures for a redundant solution with two cascaded SCE 2000s. For more
complete information, refer to the Cisco SCE 2000 4/8xFE Installation and Configuration Guide. Refer to the Cisco SCE
2000 4/8xFE CLI Command Reference for details of the CLI commands.
Warning
When working with two SCE 2000s with split-flow and redundancy, it is extremely important to follow this
installation procedure.
To install a cascaded system, complete the following steps:
Step 1 Install both SCE 2000s, power them up, and perform the initial system configuration. (See Connect the Power
Supply Units (on page 13) and Connect the Local Console (on page 18).)
Step 2 Connect both SCE 2000s to the management station. (See Connect the Management Interface (on page 41))
Step 3 Connect the cascade ports. (See Dual Link: Two SCE 2000s Topology (on page 46).)
Step 4 Set topology configurations for each SCE 2000 via the connection-mode options. (See Topology-Related
Parameters for Redundant Topologies (on page 57) and Configuring the Connection Mode (on page 57).)
Step 5 Make sure that these 2000s have synchronized and active SCE 2000 was elected.
Use the show interface linecard 0 connection-mode command.
Step 6
If you want to start with bypass/sniffing, change the link mode to your required mode in both SCE 2000s on
both links. The bypass mode will be applied only to the active SCE 2000. (See Link Mode (on page 58).)
Step 7 Make sure that the link mode is as you required.
Use the show interface linecard 0 link mode command.
Step 8
Connect the traffic port of SCE 2000 #1. This will cause a momentary down time until the network elements
from both sides of the SCE 2000 auto-negotiate with it and start working (when working inline). (See Dual Link:
Two SCE 2000s Topology (on page 46).)
Step 9 Connect the traffic port of SCE 2000 #2, this will cause a momentary down time until the network elements
from both sides of the SCE 2000 auto-negotiate with it and start working (when working inline). (See Dual Link:
Two SCE 2000s Topology (on page 46).)
Step 10 When full control is needed, change the link mode on both SCE 2000s on both links to ‘forwarding’. It is
recommended to first configure the active SCE 2000 and then the standby. (See Link Mode (on page 58).)
Step 11 You can now start working with the Subscriber Manager.