1.
Select a controller.
2.
Configure remote loopback at the desired layers in the interface.
path ds1|e1 loopback remote
■
Use to place a remote device, connected at the T1 over SONET/SDH VT layer,
in loopback.
■
Specify one of the following options:
■
line fdl ansi
(T1 only)—Sends a repeating 16-bit ESF data link code word
(00001110 11111111) to the remote end requesting that it enter into a
network line loopback. Specify the ansi keyword to enable the remote line
facilities data link (FDL) ANSI bit loopback on the T1 line, according to the
ANSI T1.403 specification.
■
line fdl bellcore
(T1 only)—Sends a repeating 16-bit ESF data link code word
(00010010 11111111) to the remote end requesting that it enter into a
network line loopback. Specify the bellcore keyword to enable the remote
line FDL Bellcore bit loopback on the T1 line, according to the Bellcore
TR-TSY-000312 specification.
■
payload
[
fdl
] [
ansi
] (T1 only)—Sends a repeating 16-bit ESF data link
code word (00010100 11111111) to the remote end requesting that it enter
into a network payload loopback. Enables the remote payload FDL ANSI bit
loopback on the T1 line. You can optionally specify
fdl
and
ansi
.
■
Example
host1(config-controll)#
path 12 ds1 1/3/4 loopback remote line fdl ansi
■
Use the
no
version to send the 16-bit ESF data link code word to deactivate the
loopback at the remote end, depending on the last activate request sent to the
remote end.
■
See path ds1|e1 loopback.
path ds1 remote-loopback
■
Use to enable the router to accept remote loopback requests from a remote
device connected at the T1 over SONET/SDH VT layer.
■
Example
host1(config-controll)#
path 12 ds1 1/3/4 remote-loopback
■
Use the
no
version to restore the default, which is to reject remote loopback
requests.
■
See path ds1 remote-loopback.
path ds3 equipment loopback
150
■
Testing Interfaces
JUNOSe 10.0.x Physical Layer Configuration Guide
Содержание JUNOSE 10.0.X PHYSICAL LAYER
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