HP VPN Firewall Appliances System Management and Maintenance Configuration Guide

21
Ste
p
Command Remarks
2. Enable sending
ICMP error packets.
• Enable sending ICMP redirect
packets:
ip redirects enable
• Enable sending ICMP timeout
packets:
ip ttl-expires enable
• Enable sending ICMP destination
unreachable packets:
ip unreachables enable
Disabled by default.
When sending ICMP timeout packets is
disabled, the device does not send "TTL
timeout" ICMP error packets. However,
"reassembly timeout" error packets are
sent correctly.
Displaying and maintaining IP performance
optimization
Task Command Remarks
Display TCP connection statistics.
display tcp statistics [ | { begin | exclude |
include } regular-expression ]
Available in any view.
Display UDP statistics.
display udp statistics [ | { begin | exclude |
include } regular-expression ]
Available in any view.
Display statistics of IP packets.
display ip statistics [ | { begin | exclude |
include } regular-expression ]
Available in any view.
Display ICMP statistics.
display icmp statistics [ | { begin | exclude |
include } regular-expression ]
Available in any view.
Display socket information.
display ip socket [ socktype sock-type ] [ task-id
socket-id ] [ | { begin | exclude | include }
regular-expression ]
Available in any view.
Clear statistics of IP packets. reset ip statistics
Available in user
view.
Clear statistics of TCP connections. reset tcp statistics
Available in user
view.
Clear statistics of UDP traffic. reset udp statistics
Available in user
view.