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526 CHAPTER 32: PPP LINK EFFICIENCY MECHANISM CONFIGURATION COMMANDS
■ When IPHC TCP header compression is applied on an MP link, the compression
is performed on the VA (virtual access) interfaces. In this case, you can check
the compression information on MP templates, such as VT or Dialer.
■ When IPHC TCP header compression is applied on a normal PPP link, the
compression is performed on the physical link. In this case, you can check the
compression information on the physical interfaces only.
Example # Display statistics about IPHC TCP header compression.
<Sysname> display ppp compression iphc tcp
display ppp compression stac-lzs
Syntax display ppp compression stac-lzs [ interface-type interface-number ]
View Any view
Parameter interface-type interface-number: Specifies an interface by its type and number.
Description Use the
display ppp compression stac-lzs command to view statistics about
STAC-LZS compression.
Note that:
■ When STAC-LZS header compression is applied on an MP link, the compression
is performed on the VA (virtual access) interfaces. In this case, you can check
the compression information on MP templates, such as VT or Dialer.
■ When STAC-LZS compression is applied on a normal PPP link, the compression
is performed on the physical link. In this case, you can check the compression
information on the physical interfaces only.
Example # Display information about STAC-LZS compression.
<Sysname> display ppp compression stac-lzs
Staz-lzs compression
Interface: Serial1/1:0
Received:
Compress/Error/Discard/Total: 302/0/0/302 (Packets)
Sent:
Compress/Error/Total: 302/0/302 (Packets)
ip tcp vjcompress
Syntax ip tcp vjcompress
undo ip tcp vjcompress
View Interface view