The tcp ipv6 window command sets the TCP packet sending/receiving buffer.
The undo tcp ipv6 window command restores the default setting.
tcp ipv6 window window-size
undo tcp ipv6 window
System view
2: Configuration level
By default, the TCP packet sending/receiving buffer is 8 KB.
# Set the size of the packet sending/receiving buffer of the connection-oriented socket to 4 KB.
<sysname> system-view [sysname] tcp ipv6 window 4