User`s guide

4-6
Monitoring and Managing the ATX
• The number of IP fragments received which needed to be
reassembled within this ATX. [ipReasmReqds]
• The number of IP datagrams which were successfully re-
assembled. [ipReasmOKs]
• The number of failures (for whatever reason: timed-out, errors,
etc.) detected by the IP re-assembly algorithm.
[ipReasmFails]
• The number of IP datagrams that have been successfully
fragmented within this ATX. [ipFragOKs]
• The number of IP datagrams that have been discarded because
they needed to be fragmented but could not be (their “Don't
Fragment” flag was set). [ipFragFails]
• The number of IP datagram fragments that have been generated
by this ATX. [ipFragCreates]
• The number of valid routing entries which were discarded.
[ipRoutingDiscards]
4.1.3 ICMP Status and Statistics
The following statistics relate specifically to ICMP routing. (The
MIB variable that collects the statistics is provided in square
brackets.)
• The total number of ICMP messages which were received by
this ATX. This also includes all messages received with errors.
[icmpInMsgs]
• The number of ICMP messages which were received with errors
(bad checksums, bad length, etc.). [icmpInErrors]
• The number of ICMP Destination Unreachable messages
received. [icmpInDestUnreachs]
• The number of ICMP Time Exceeded messages received.
[icmpInTimeExcds]