R3303-HP HSR6800 Routers Interface Command Reference

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Syntax
itf { number number | type { 7e | ff } }
undo itf { number | type }
Default
The interframe filling tag is 0x7E, and the number of interframe filling tags is 4.
Views
CT1 interface view
Default command level
2: System level
Parameters
number number: Sets the number of interframe filling tags (an interframe filling tag is one byte in length).
The number argument is in the range of 0 to 14.
type { 7e | ff }: Sets the interframe filling tag to 0x7E by specifying the 7e keyword or to 0xFF by
specifying the ff keyword. On CT1 interfaces, the default interframe filling tag is 0x7E.
Usage guidelines
Interframe filling tags are sent when no service data is sent on the timeslots bundled into logical channels
on a CT1 interface.
Examples
# Set the interframe filling tag to 0xFF on CT1 interface T1 2/0/0.
<Sysname> system-view
[Sysname] controller t1 2/0/0
[Sysname-T1 2/0/0] itf type ff
# Set the number of interframe filling tags to 5 on CT1 interface T1 2/0/0.
<Sysname> system-view
[Sysname] controller t1 2/0/0
[Sysname-T1 2/0/0] itf number 5
loopback (CT1 interface)
Use loopback to enable local, remote, or external payload loopback on the CT1 interface.
Use undo loopback to restore the default.
Syntax
loopback { local | payload | remote }
undo loopback
Default
Loopback is disabled.
Views
CT1 interface view
Default command level
2: System level