Configuration Procedure; Displaying And Maintaining Ip Performance Optimization - HP A7500 Series Configuration Manual

Table 6 Handling ICMP messages
Device mode
Common mode
Compliant mode
Non-compliant
mode
NOTE:
ICMP/ICMPv6 messages that can carry extension information include only IPv4 redirect messages,
IPv4/IPv6 time exceeded messages, and IPv4/IPv6 destination unreachable messages.

Configuration procedure

Follow these steps to enable support for ICMP extensions:
To do...
Enter system view
Enable support for ICMP
extensions in compliant mode
Enable support for ICMP
extensions in non-compliant mode
NOTE:
After support for ICMP extensions is disabled, no ICMP message sent by the device contains extension
information.
Displaying and maintaining IP performance
optimization
To do...
Display TCP connection statistics
Display UDP statistics
Display statistics of IP packets (in
standalone mode)
ICMP messages sent
Common ICMP messages
Common ICMP messages
Extended ICMP messages
with a length field
Common ICMP messages
Extended ICMP messages
without a length field
Use the command...
system-view
ip icmp-extensions compliant
ip icmp-extensions non-compliant
Use the command...
display tcp statistics [ | { begin | exclude |
include } regular-expression ]
display udp statistics [ | { begin | exclude |
include } regular-expression ]
display ip statistics [ slot slot-number ] [ |
{ begin | exclude | include }
regular-expression ]
ICMP messages received
Common ICMP messages
Common ICMP messages
Extended ICMP messages
with a length field
All three types of ICMP
messages
95
Remarks
Extension information in
extended ICMP messages
will not be processed.
Extended ICMP messages
without a length field are
handled as common ICMP
messages.
—
Remarks
—
Optional
Disabled by default.
Optional
Disabled by default.
Remarks
Available in any view
Available in any view
Available in any view