Configuring Frame Relay Stac Compression; Configuration Restrictions And Guidelines; Configuring Frame Relay Stac Compression On A Virtual Circuit - HPE FlexNetwork MSR series Configuration Manual

Step
2. Enter interface view.
3. Create a virtual circuit on the
interface.
4. Enable Frame Relay IPHC.
5. Set the maximum number of
RTP
connections allowed.
6. Set the maximum number of
TCP
connections allowed.

Configuring Frame Relay STAC compression

STAC compression is a payload compression method that applies to Frame Relay packets, InARP
packets, and IND packets. STAC compression cannot compress LMI messages.
The two ends of a PVC negotiate the PVC state by using STAC control messages after STAC
compression is enabled. The PVC state negotiation succeeds only when STAC compression is
enabled on both ends of the PVC. After PVC state negotiation succeeds, both ends can transmit
compressed packets on the PVC. If one end does not receive response messages from the peer
after sending 10 control messages, it stops sending control messages. The PVC state negotiation
fails.

Configuration restrictions and guidelines

When you configure Frame Relay STAC compression, follow these restrictions and guidelines:
•
To make STAC compression take effect on a PVC, you must enable Frame Relay STAC
compression on both ends of the PVC.
•
STAC compression works only when the encapsulation type is IETF on both ends of a PVC. If
the encapsulation type is not IETF when you enable STAC compression, the system
automatically changes the encapsulation type to IETF.
•
Frame Relay IPHC and STAC compression are mutually exclusive.
Configuring Frame Relay STAC compression on a virtual
circuit
Step
1. Enter system view.
2. Enter interface view.
3. Create a virtual circuit on the
interface.
Command
interface
interface-number
fr dlci dlci-number
fr compression iphc enable
[ nonstandard ]
fr
header-compression
rtp-connections
fr
header-compression
tcp-connections
Command
system-view
interface
interface-number
fr dlci dlci-number
interface-type
compression iphc
compression iphc
interface-type
232
Remarks
The interface can be a main
interface or a subinterface.
By default, no virtual circuits exist
on an interface.
By default, Frame Relay IPHC is
disabled.
If you specify the nonstandard
keyword, only RTP
compression is supported, and
TCP header compression is not
supported.
The default setting is 16.
The default setting is 16.
Remarks
N/A
The interface can be a main
interface or a subinterface.
By default, no virtual circuits exist
header