STAC-LZS
The STAC-LZS algorithm as described in RFC 1974
MPPC The Microsoft Point-to-Point Compression algorithm as described in
RFC 2118.
Example:
set ccp protocols
Enter a prioritized list of enabled compressors
(first is preferred), all on one single line.
Choices (can be abbreviated) are:
Stac-LZS, MPPC
Compressor list [Stac-LZS:]?
hdlc cable
cable type
Set the HDLC cable type (that is connected to the interface) to one of the
following types:
RS-232 DTE
RS-232 DCE
V35 DTE
V35 DCE
V36 DTE
X21 DTE
X21 DCE
Example: set hdlc cable rs-232 dce
A DTE cable is used when you are attaching the router to some type of
DCE device (for example, a modem or a DSU/CSU).
A DCE cable is used when the router is acting as the DCE and providing
the clocking for direct attachment.
hdlc clocking
external
or
internal
Toconnect to a modem or DSU, configure clocking as external. To connect
directly to another DTE device, use a DCE cable and set the clocking to
“internal” at one end and to “external” at the other.
For internal clocking, you are prompted to enter a line speed in the range
2400 to 2048000, if you have not already set the line speed.
Example: set hdlc clocking internal
hdlc encoding
NRZ
or
NRZI
Sets the HDLC transmission encoding scheme for an interface. Encoding
may be set for NRZ (non-return to zero) or NRZI (non-return to zero
inverted). NRZ is the more widely used encoding scheme while NRZI is
used in some IBM configurations. The default value is NRZ.
Example: set hdlc encoding nrz
hdlc idle
flag
or
mark
Sets the data link idle state to either Flag or Mark.
The flag option provides continuous flags (7E hex) between frames.
The mark option puts the line in a marking state (OFF,1) between frames.
Example: set hdlc idle flag
Configuring PPP Interfaces (Talk 6)
Chapter33. Configuring and Monitoring Point-to-Point Protocol Interfaces 477
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