Cisco uBR10-SRP-OC12SML Specifications download pdf (Page 132)

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Cisco uBR10012 Universal Broadband Router Software Configuration Guide

OL-1520-05

Chapter2 Configuring the Cable Modem Termination System for the First Time

Configuring the Cable Interface with the Extended Setup Facility

Step9 Repeat Step 8 for each upstream port on the cable interface line card.

Step10 Activate the upstream port:

Router(config-int)# no cable upstream port shutdown

Step11 Repeat Step 10 to activate each port used on your cable interface line card.

Step12 Exit to return to the configuration mode:

Router(config-if)# exit

Router(config)#

Step13 Enter the next interface to configure, following Step 6 through Step 12, or type exit to return to enable

mode.

Router(config)# exit

Router#

%SYS-5-CONFIG_I: Configured from console by console#

Step14 Save the configuration to NVRAM:

Router# copy running-config startup-config

Configuring the Cable Interface with the Extended Setup Facility

The Setup facility creates an initial configuration. The basic management setup configures only enough

connectivity for management of the system. The Extended Setup facility prompts you to configure each

interface on the system.

To invoke the configuration facility, use the following command:

Router# setup

The following is the System Configuration dialog:

Continue with configuration dialog? [yes/no]: yes

MAC-Layer Addressing

The MAC-layer or hardware address is a standardized data link layer address required for certain

network interface types. These addresses are not used by other devices in the network; they are unique

to each port. The CiscouBR10012router uses a specific method to assign and control the MAC-layer

addresses for line cards.

All LAN interfaces (ports) require unique MAC-layer addresses, also known as hardware addresses.

Typically, the MAC address of an interface is stored on a memory component that resides directly on the

interface circuitry; however, the online insertion and removal (OIR) feature requires a different method.

The OIR feature lets you remove a line card and replace it with another identically configured one. If the

new line card matches the line card you removed, the system immediately brings it online.

To support OIR, an address allocator with a unique MAC address is stored in an EEPROM on the

CiscouBR10012router midplane. Each address is reserved for a specific port and slot in the router

regardless of whether a line card resides in that slot.

Caution When hot swapping a line card with a different type of interface, you might have to reconfigure the

interfaces. Refer to the hardware installation guide that ships with your CMTS or to the appropriate

field-replaceable unit (FRU) document for more specific information regarding OIR.

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