enable ports loopback
ExtremeWare Software 7.3.0 Command Reference Guide 1729
enable ports loopback
enable ports <portlist> [t1 | e1 | t3] loopback [local | network line]
Description
Enables the near-end local and network line loopback modes.
Syntax Description
Default
Loopback is disabled by default.
Usage Guidelines
Use this command to enable local and network line loopback modes on the local port for T1, E1, and T3
links.
T1 links also support an additional mode, network payload loopback. Use the following command for
network payload loopback mode:
enable ports <portlist> t1 loopback network payload
For remote loopback modes, use the command:
enable ports <portlist> [t1 | t3] loopback remote [line | payload | loopdown]
Example
The following command enables network line loopback mode on all the ports of an E1 module:
enable ports 4:1-4:4 e1 loopback network line
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.
portlist A list of ports.
local Specifies local loopback.
network line Specifies network line loopback.
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