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interface sonet
e
Enter the INTERFACE mode to configure a POS/SDH interface.
Syntax
interface sonet slot/port
Parameters
slot/port
Defaults
Not configured
Command Modes
CONFIGURATION
Example
Figure 55-1. interface sonet Command Example
FTOS(conf)#interface sonet 8/2
FTOS(conf-if-so-8/2)#
Usage
You cannot delete POS/SDH interfaces. By default, POS/SDH interfaces are disabled (shutdown). Use
Information
the
Related
encap
Commands
keepalive
e
Send SONET keepalive packets periodically to keep an interface alive when it is not transmitting data.
Syntax
keepalive [seconds]
To stop sending SONET keepalive packets, enter no keepalive.
Parameters
seconds
Defaults
Enabled.
Command Modes
INTERFACE
Usage
When you configure keepalive, the system sends a self-addressed packet out of the configured
Information
interface to verify that the far end of a WAN link is up. When you configure no keepalive, the
system does not send keepalive packets and so the local end of a WAN link remains up even if the
remote end is down.
loopback
e
Troubleshoot a POS/SDH interface by looping back traffic through the interface or the line.
Enter the slot/port information.
encap
command to enable encapsulation on the interface.
Configure PPP encapsulation.
(OPTIONAL) For POS/SDH interfaces with encapsulation enabled, enter the number of
seconds between keepalive packets.
Range: 0 to 32767
Default: 10 seconds
SONET | 1389
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