Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router
tug-2 e1 loopback
39
12.0(14)S
tug-2 e1 loopback
To specify a loopback on an E1 line that has been mapped to a TUG-3, use the
tug-2 e1 loopback
configuration controller tug-3 command.
To specify a loopback on an E1 line that has been mapped to an AU-3, use the
tug-2 e1 loopback
configuration controller au-3 command.
To disable the loopback, use the
no
form of this command.
tug-2
tug-2 number
e1
e1-number
loopback
{
local
|
network
{
line
|
payload
}}
[
no
]
tug-2
tug-2 number
e1
e1-number
loopback
{
local
|
network
{
line
|
payload
}}
Syntax Description
Defaults
No loopbacks are set on an E1 line.
Command Modes
Configuration controller tug3 (for an E1 line mapped to a TUG-3)
Configuration controller au3 (for an E1 line mapped to an AU-3)
Command History
Usage Guidelines
Use the
tug-2 e1 loopback
command in configuration controller tug3 command mode to specify a
loopback for an E1 line that has been mapped to a TUG-3 via the
aug-mapping au-4
command.
Use the
tug-2 e1 loopback
command in configuration controller au3 command mode to specify a
loopback for an E1 line that has been mapped to an AU-3 via the
aug-mapping au-3
command.
Examples
The following example sets E1 line 1, that has been mapped to a TUG-3, into local loopback:
Router(config)# controller sonet 2/0/0
Router(config-controller)# aug mapping au-4
Router(config-controller)# au-4 1 tug-3 2
Router(config-ctrlr-tug3)# tug-2 4 e1 1 loopback local
tug-2 number
A number in the range of 1 to 7.
e1-number
A number in the range of 1 to 3.
local
Loops transmitted E1 output back to the router via the internal E1
framer.
network
{
line
|
payload
}
Sets the loopback toward the network before going through the framer
(
line
) or after going through the framer (
payload
).
Release
Modification
12.0(14)S
This command was introduced.
