Zhone 2000 ユーザーガイド

To display the User Datagram Protocol (UDP) Statistics report, type “U” on 

the Network Statistics menu. The UDP Statistics report displays detailed 
information about UDP packets sent and received. 

To clear network statistics, type “Z” on the Network Statistics menu. The 

IAD displays the Clear Network Statistics menu:

packets received

Total UDP packets received.

discarded for lack of 
resources

Discarded received packets due to lack of 
resource—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 destination port zero

Destination Port field value in UDP header is zero.

- bad checksums

Checksum field value in UDP header is incorrect.

- packets smaller than header Size of UDP header is less than 8 bytes.

- packets larger than frame

Packet size is less than the UDP header size.

- unopen ports

Packet is larger than the internal packet buffer.

packets sent

Total UDP packets sent.

discarded for lack of 
resources

Discarded transmitted packets due to lack of resources: 
kernel memory, packet buffers, etc.

discarded due to internal 
errors

Discarded received packets due to internal software 
errors.

with illegal destination port

Destination Port field value in UDP header is illegal.