HP MSR2000/3000/4000 Router Series Interface Command Reference

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[Sysname] interface serial 2/0
[Sysname-Serial2/0] invert transmit-clock
Related commands
• clock
• invert receive-clock
• physical-mode
itf
Use itf to set the number of interframe filling tags.
Use undo itf to restore the default.
Syntax
itf number number
undo itf number
Default
The number of interframe filling tags is 4.
Views
Synchronous serial interface view
Predefined user roles
network-admin
Parameters
number number: Sets the number of interframe filling tags (an interframe filling tag is one byte in length),
in the range of 0 to 14 bytes.
Examples
# Set the number of interframe filling tags to 5.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] itf number 5
link-protocol
Use link-protocol to configure the link layer protocol for an interface.
Syntax
link-protocol { hdlc | ppp }
Default
A synchronous serial interface uses PPP as the link layer protocol.
Views
Asynchronous serial interface view, synchronous/asynchronous serial interface view