Disabling Forwarding Icmp Fragments; Displaying And Maintaining Ip Performance Optimization - HP 5920 Series Configuration Manual

Disabling forwarding ICMP fragments

Disabling forwarding ICMP fragments can protect your device from ICMP fragments attacks.
To disable forwarding ICMP fragments:
Step
1. Enter system view.
2. Disable forwarding ICMP fragments.
Displaying and maintaining IP performance
optimization
Execute display commands in any view and reset commands in user view.
Task
Display brief information about RawIP connections.
Display detailed information about RawIP
connections.
Display brief information about TCP connections.
Display detailed information about TCP connections.
Display brief information about UDP connections.
Display detailed information about UDP connections.
Display IP packet statistics.
Display TCP traffic statistics.
Display UDP traffic statistics.
Display ICMP statistics.
Clear IP packet statistics.
Clear TCP traffic statistics.
Clear UDP traffic statistics.
Command
system-view
ip icmp fragment discarding
Command
display rawip [ slot slot-number ]
display rawip verbose [ slot slot-number [ pcb
pcb-index ] ]
display tcp [ slot slot-number ]
display tcp verbose [ slot slot-number [ pcb
pcb-index ] ]
display udp [ slot slot-number ]
display udp verbose [ slot slot-number [ pcb
pcb-index ] ]
display ip statistics [ slot slot-number ]
display tcp statistics [ slot slot-number ]
display udp statistics [ slot slot-number ]
display icmp statistics [ slot slot-number ]
reset ip statistics [ slot slot-number ]
reset tcp statistics
reset udp statistics
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Remarks
N/A
By default, forwarding ICMP
fragments is enabled.