Zhone 2000 ユーザーガイド

To display the Internet Protocol (IP) Statistics report, type “I” on the 

Network Statistics menu. The IP Statistics report displays details about all IP 
packets sent and received on the network 

PIM routing message sent

No. of IGMP PIM routing messages sent.

Traceroute resp sent

No. of IGMP Traceroute resp messages sent.

Mcast traceroute messages 
sent

No. of IGMP Multicast Traceroute messages sent.

Other messages sent

No. of other IGMP type messages sent.

packets received

Total IP packets received.

packets delivered to upper 
layer

No. of incoming IP packets delivered to upper layer/ 
Layer 4 or higher (such as ICMP, IGCMP, PIM, TCP 
and UDP packets)

packets forwarded

No. of incoming IP packets forwarded to other 
route/interface

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:

Discarded received packets due to other reasons listed 
in the following:

- with header errors

Bad IP header format

- with an illegal source

Illegal Source IP address in the IP header

- with an illegal destination

Illegal Destination IP address in the IP header

- bad versions

Version field value in IP header is incorrect.

- bad checksums

Value of Checksum field in IP header is incorrect.

- with headers too small

Size of the IP header is less than 20 bytes.

- packets smaller than header Size of IP header is larger than packet size.

- packets larger than frame

IP packet size is larger than internal packet buffer.

 - with unrecognized protocol Value of Protocol Type field in IP header is 

unrecognized.

- with zero TTL

Value of TTL in the IP header reaches zero.

fragments received

Value of Fragment field in the IP header is on.

fragmented packets 
reassembled

No. of reassembled fragmented packets.

fragments discarded

No. of discarded fragmented packets.