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8-6

Configuration Guide for Cisco DSLAMs with NI-2

OL-2074-03

Chapter 8 Configuring the Trunk and Subtended Interfaces

Configuring DS3 and E3 Interfaces

Manual DS3 and E3 Interface Configuration

To manually change any of the DS3 or E3 default configuration values, perform these tasks:

Note Note that Steps 2 and 14 are alternatives; do not perform both steps.

Examples

This example shows how to change the default ATM interface type to “private” using the atm uni type

private command.

DSLAM# configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

DSLAM(config)# interface atm 0/1

DSLAM(config-if)# atm uni type private

Command Task

Step 1

DSLAM# configure terminal

Go to global configuration mode.

Step 2

DSLAM(config)# subtend-id 0-12

Assign to this node a subtend ID that is unique in the subtend

tree. The node attached to the trunk must have subtend ID 0.

Step 3

DSLAM(config)# network-clock-select

{1-4_priority | bits | system} atm slot/port

Configure the network-derived clock.

Step 4

DSLAM(config)# interface atm slot/port

Specify an ATM interface and enter interface

configuration mode.

Step 5

DSLAM(config-if)# atm uni [side {network |

user} type

{private | public} version {3.0 |

3.1 | 4.0

}]

Modify the ATM interface side, type, or version.

Step 6

DSLAM(config-if)# atm maxvpi-bits 0-8

Modify the maximum VPI bits configuration.

Step 7

DSLAM(config-if)# atm maxvci-bits 0-14

Modify the maximum VCI bits configuration.

Step 8

DSLAM(config-if)# framing {cbitadm | cbitplcp

| m23adm | m23plcp

}

Modify the framing mode (DS3 shown).

Step 9

DSLAM(config-if)# scrambling {cell-payload}

Modify the scrambling mode.

Step 10

DSLAM(config-if)# clock source { loop-timed |

network-derived}

Modify the clock source.

Step 11

DSLAM(config-if)# lbo {long | short}

Modify the line build-out.

Step 12

DSLAM(config-if)# auto-ferf {ais | lcd | los

| oof | red

}

Modify the auto-ferf configuration.

Step 13

DSLAM(config-if)# exit

Return to global configuration mode.

Step 14

DSLAM(config)# subtend-id 0-12

Assign to this interface a subtend ID that is unique in the

subtend tree. (This subtend ID identifies the subtended node

attached to the interface, in the case where the attached node

does not support the subtend ID feature.)

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