2 dos-control firstfrag, 3 dos-control tcpfrag, Switching commands at8902m – Kontron AT8902M CLI User Manual
Page 110

Switching Commands
AT8902M
AT8902M CLI Reference Manual
Page 2 - 74
Format
dos-control sipdip
Mode
Global Config
2.18.1.1
no dos-control sipdip
This command disables Source IP Address = Destination IP Address (SIP=DIP) Denial 
of Service prevention.
Format
no dos-control sipdip
Mode
Global Config
2.18.2
dos-control firstfrag
This command enables Minimum TCP Header Size Denial of Service protection. If the 
mode is enabled, Denial of Service prevention is active for this type of attack. If 
packets ingress having a TCP Header Size smaller then the configured value, the 
packets will be dropped if the mode is enabled.The default is 
disabled.
If you enable
dos-control firstfrag, but do not provide a Minimum TCP Header Size, the system sets 
that value to 
20
.
Default
disabled <20>
Format
dos-control firstfrag
[<0-255>]
Mode
Global Config
2.18.2.1
no dos-control firstfrag
This command sets Minimum TCP Header Size Denial of Service protection to the 
default value of 
disabled
.
Format
no dos-control firstfrag
Mode
Global Config
2.18.3
dos-control tcpfrag
This command enables TCP Fragment Denial of Service protection. If the mode is 
enabled, Denial of Service prevention is active for this type of attack. If packets ingress 
having IP Fragment Offset equal to one (1), the packets will be dropped if the mode is 
enabled.
Default
disabled
Format
dos-control tcpfrag
Mode
Global Config
2.18.3.1
no dos-control tcpfrag
This command disabled TCP Fragment Denial of Service protection.
Format
no storm-control broadcast all
Mode
Global Config
