Reference Guide

Table Of Contents
dos-control udpport
Note
This command is only supported on the BCM56224, BCM56514, BCM56624, BCM56634,
BCM56636 and BCM56820 and BCM5621x platforms.
This command enables UDP L4 source = destination port number (Source UDP Port = Destination UDP
Port) DoS protection. If the mode is enabled, Denial of Service prevention is active for this type of
attack. If packets ingress with Source UDP Port = Destination UDP Port, the packets will be dropped if
the mode is enabled.
Default Disabled
Format dos-control udpport
Mode Global Config
no dos-control udpport
This command disables UDP L4 source = destination port number (Source UDP Port = Destination UDP
Port) Denial of Service protection.
Format no dos-control udpport
Mode Global Config
dos-control tcpflagseq
Note
This command is only supported on the BCM56224, BCM56514, BCM56624, BCM56634,
BCM56636 and BCM56820 and BCM5621x platforms.
This command enables TCP Flag and Sequence Denial of Service protections. If the mode is enabled,
Denial of Service prevention is active for this type of attack. If packets ingress having TCP Flag SYN set
and a source port less than 1024 or having TCP Control Flags set to 0 and TCP Sequence Number set to
0 or having TCP Flags FIN, URG, and PSH set and TCP Sequence Number set to 0 or having TCP Flags
SYN and FIN both set, the packets will be dropped if the mode is enabled.
Default
Disabled
Format dos-control tcpflagseq
Mode Global Config
no dos-control tcpflagseq
This command sets disables TCP Flag and Sequence Denial of Service protection.
Format
no dos-control tcpflagseq
Mode Global Config
Switching Commands
ExtremeSwitching 200 Series: Command Reference Guide for version 01 .02.04.0007 478