Cisco AS5800 Specifications download pdf (Page 253)

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Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide

DOC-7810814=

Chapter 6 Provisioning

Split Dial Shelves

Managing a Split Dial Shelf

If you are installing split-dial-shelf systems, a system controller is available that provides a single

system view of multiple POPs. The system controller for the Cisco AS5800 includes the Cisco 3640

router running Cisco IOS software. The system controller can be installed at a remote facility so that you

can access multiple systems through a console port or Web interface.

There are no new Management Information Bases (MIBs) or MIB variables required for the

split-dial-shelf configuration. A split dial shelf appears to Simple Network Management Protocol

(SNMP) management applications as two separate Cisco AS5800s. You cannot use one console to

manage the whole system—you must have a console session for each router shelf (two console sessions)

to configure each split. The system controller must manage a split-dial-shelf configuration as two

separate Cisco AS5800 universal access servers.

The normal mode configuration of the Cisco AS5800 requires the dial-shelf and router-shelf IDs to be

different. In a split system, four unique shelf IDs are desirable; one for each router shelf and one for each

of the slot sets. However, a split system will function satisfactorily if the router-shelf IDs are the same.

If a system controller is used to manage a split-dial-shelf configuration, then the two routers must have

distinct shelf IDs, just as they must when each router has its own dial shelf.

You can download software configurations to any Cisco AS5800 using SNMP or a Telnet connection.

The system controller also provides performance monitoring and accounting data collection and logging.

In addition to the system controller, a network management system with a graphical user interface (GUI)

runs on a UNIX SPARC station and includes a database management system, polling engine, trap

management, and map integration.

Configuring Split-Dial-Shelf Routers

To configure a router for split-dial-shelf operation, use the following commands in global configuration

mode 5800(config)#

dial-shelf split slots {slot_numbers}

Normal mode: This command changes the router shelf to split mode with ownership of the slots

listed.

In case of conflicting slot assignments, the command is rejected and a warning message is issued.

Issue a show dial-shelf split slots command to the other router shelf to display its list of owned

dial-shelf slots.

OIR events on all slots are detected by both DSCs and added to the list of feature boards physically

present in the dial shelf. However, OIR event processing is done only for assigned slots.

Split mode: This command adds the dial-shelf slots listed to the router shelf’s list of owned slots.

show dial-shelf split

Normal mode: This command is invalid.

Split mode: This command displays the slots assigned to each of the router shelves and the

corresponding feature boards in orphan slots (slots not currently assigned to either router).

dial-shelf split slots none

Normal mode: This command puts the router shelf in split mode; however, it does not assign

ownership of any dial-shelf slots.

To prevent accidentally entering the dial-shelf split slots command, at least one valid dial-shelf slot

number (0–11) or the keyword none must be specified.

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Cisco AS5800 Specifications Page 253

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Cisco AS5800 Specifications Page 253

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