Disable Ports Loopback - Extreme Networks ExtremeWare Command Reference Manual

T1, E1, and T3 WAN Commands—Alpine 3800 Series Platforms

disable ports loopback

disable ports <portlist> [t1 | e1 | t3] loopback
Description
Disables the current loopback mode and returns port to normal function.
Syntax Description
portlist A list of ports.
Default
Loopback is disabled by default.
Usage Guidelines
Use this command to return the near and remote side of a T1, E1, or T3 link form loopback mode to
normal mode.
You can also use the following command to return the remote T1 or T3 port to normal mode from
loopback mode:
enable ports <portlist> [t1 | t3] loopback remote loopdown
If you add a 10/100 port as a loopback port and delete it, autonegotiation is set to off.
Example
The following command blah:
disable ports 2:1-2:4 t1 loopback
History
This command was first available in ExtremeWare v6.1.5w2.01WAN technology release.
E1 support was added in ExtremeWare v6.1.8w3.0.1b56 WAN technology release.
T3 support was added in ExtremeWare v6.1.8w3.0.1b61 WAN technology release.
This command was subsequently incorporated into ExtremeWare 7.0.0.
Platform Availability
This command is available on the Alpine 3800 series platform, when a WAN module is installed.
2212 ExtremeWare 7.7 Command Reference Guide