Zhone 2000 ユーザーガイド

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Figure 5.2
Network Statistics Menu 
To display a specific report, enter the option. For detailed information about 
each report in the Network Statistics menu, or information on how to clear 
network statistics, proceed to the appropriate section below.
ICMP Statistics Report
To display the Internet Control Message Protocol (ICMP) Statistics report, 
type “C” on the Network Statistics menu. The ICMP Statistics report displays 
details about ICMP received packets, sent packets, and queries, reports, and 
messages sent and received. 
Parameter
Description
Received Packet Information
packets received
Total ICMP packets received.
discarded for lack of 
resources
Discarded received packets due to lack of 
resources—kernel memory,
 
packet buffers,
 
etc.
discarded due to internal 
errors
Discarded received packets due to internal software 
errors.
discarded for other reasons:
 - unrecognized codes
 - bad checksum
 - packets smaller than
 header
 - redirects from 
non-gateways
Discarded packets due to these reasons:
Not used.
Value of the Checksums field in header is incorrect.
Size of the ICMP header is larger than the packet size.
ICMP Redirect packet from non-gateway.
Sent Packet Information
packets sent
Total ICMP packets sent.
discarded for lack of 
resources
Discarded transmitted packets due to lack of resources, 
such as kernel memory or packet buffers.
discarded due to internal 
errors
Discarded transmitted packets due to internal software 
errors.
with illegal type or code
Discarded transmitted packets due to internal errors.
Messages, Requests, and Replies Received