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ppp compression iphc tcp-connections
Syntax ppp compression iphc tcp-connections number
undo ppp compression iphc tcp-connections
View Interface view
Parameter number: The maximum connection number of TCP header compression. The value
ranges from 3 to 256.
Description Use the
ppp compression iphc tcp-connections command to configure the
maximum number of connections in TCP header compression.
Use the
undo ppp compression iphc tcp-connections command to restore
the default value, which is 16.
TCP is connection oriented; the number of TCP connections that a link can
accommodate is relatively large. The use of compression however requires the
router to maintain some information for each connection when compressing
headers. To restrict the memory load generated by compression, you can use the
ppp compression iphc tcp-connections command to limit the number of
compression-enabled TCP connections to three for example. The packets on the
fourth TCP connection are not compressed as a result.
The configuration takes effect only after you perform the shutdown and then the
undo shutdown operations on the interface. If the configuration is for an MP
bundle, you should perform the operations on all MP member interfaces.
Example # Set the number of compression-enabled TCP connections to 10 on interface
Serial 1/0.
<Sysname> system-view
[Sysname] interface serial 1/0
[Sysname-Serial1/0] ppp compression iphc tcp-connections 10
ppp compression stac-lzs
Syntax ppp compression stac-lzs
undo ppp compression stac-lzs
View Interface view
Parameter None
Description Use the
ppp compression stac-lzs command to enable STAC-LZS compression
for PPP.