18-14
ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 18
Configuring Interfaces
Configuring DS3 and E3 Interfaces
•
Auto-ferf on LOS = on
•
Auto-ferf on OOF = on
•
Auto-ferf on LCD = on (applicable to nonplcp mode only)
•
Auto-ferf on AIS = on
Manual DS3 and E3 Interface Configuration
To manually change any of the default configuration values, perform the following steps, beginning in
global configuration mode:
Examples
The following example shows how to change the default ATM interface type to
private
using the
atm uni type private
command:
Switch#
configure terminal
Switch(config)#
interface atm 0/0/0
Switch(config-if)#
atm uni type private
The following example shows how to change the clock source using the
clock source network-derived
command:
Switch#
configure terminal
Switch(config)#
interface atm 0/0/0
Switch(config-if)#
clock source network-derived
See
Troubleshooting the Interface Configuration, page 18-17
to confirm your interface configuration.
Command
Purpose
Step 1
Switch(config)#
network-clock-select
priority
atm
card
/
subcard
/
port
Configures the network-derived clock.
Step 2
Switch(config)#
interface atm
card
/
subcard
/
port
Switch(config-if)#
Specifies an ATM interface and enters interface
configuration mode.
Step 3
Switch(config-if)#
atm uni
[
side
{
private
|
public
}
type
{
network
|
user
}
version
{
3.0
|
3.1
|
4.0
}]
Modifies the ATM interface side, type, or version.
Step 4
Switch(config-if)#
atm maxvpi-bits
max-vpi-bits
Modifies the maximum VPI bits configuration.
Step 5
Switch(config-if)#
atm maxvci-bits
max-vci-bits
Modifies the maximum VCI bits configuration.
Step 6
Switch(config-if)#
framing
{
cbitadm
|
cbitplcp
|
m23adm
|
m23plcp
}
Modifies the framing mode.
Step 7
Switch(config-if)#
scrambling
{
cell-payload
|
sts-stream
}
Modifies the scrambling mode.
Step 8
Switch(config-if)#
clock source
{
free-running
|
loop-timed
|
network-derived
}
Modifies the clock source.
Step 9
Switch(config-if)#
lbo
{
long
|
short
}
Modifies the line build-out.
Step 10
Switch(config-if)#
auto-ferf
{
ais
|
lcd
|
los
|
oof
|
red
}
Modifies the auto-ferf configuration.