Layer 2,3,IPv6+QoS Switch
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Layer 2,3,IPv6+QoS Network Switch User Manual Version 0.1 Page: 645/970
Denial of Service TCP Flag - Enable or disable this option by selecting the corresponding
line on the pulldown entry field. Enabling TCP Flag DoS prevention causes the switch to
drop packets that have TCP flag SYN set and TCP source port less than 1024 or TCP
control flags set to 0 and TCP sequence number set to 0 or TCP flags FIN, URG, and PSH
set and TCP sequence number set to 0 or both TCP flags SYN and FIN set. The factory
default is disabled.
Denial of Service L4 Port - Enable or disable this option by selecting the corresponding
line on the pulldown entry field. Enabling L4 Port DoS prevention causes the switch to drop
packets that have TCP/UDP source port equal to TCP/UDP destination port. The factory
default is disabled.
Denial of Service ICMP - Enable or disable this option by selecting the corresponding line
on the pulldown entry field. Enabling ICMP DoS prevention causes the switch to drop
ICMP packets that have a type set to ECHO_REQ (ping) and a size greater than the
configured ICMP Pkt Size. The factory default is disabled.
Denial of Service Max ICMP Pkt Size - Specify the Max ICMP Pkt Size allowed. If ICMP
DoS prevention is enabled, the switch will drop ICMP ping packets that have a size greater
then this configured Max ICMP Pkt Size. The factory default is disabled.
Denial of Service Max ICMPv6 Pkt Size - Specify the Max ICMPv6 Pkt Size allowed. If
ICMP DoS prevention is enabled, the switch will drop ICMPv6 ping packets that have a
size greater then this configured Max ICMPv6 Pkt Size. The factory default is disabled.
Command Buttons
Submit - Update the switch with the values on the screen. If you want the switch to retain
the new values across a power cycle you must perform a save.
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