
MES3000 Ethernet switch series
169
Example of statistics output for UDP Jitter operation:
IP SLA Statistics for Index 2
Operational state of entry: Active
Type of operation: udp-jitter
Latest operation return code: OK
Latest latency value: 7 ms
Latency two-way values:
Number of Latency two-way samples: 455
Latency Min/Avg/Max: 5/7/24 ms
Latency one-way values:
Number of SD Latency samples: 0
Number of DS Latency samples: 0
Source to Destination Latency one way Min/Avg/Max: 0/0/0 ms
Source to Destination Latency one way Sum: 0 ms
Destination to Source Latency one way Min/Avg/Max: 0/0/0 ms
Destination to Source Latency one way Sum: 0 ms
Jitter values:
Source to Destination positive jitter Min/Avg/Max: 1/2/20 ms
Source to Destination positive jitter Num/Sum: 272/706 ms
Source to Destination negative jitter Min/Avg/Max: 2/3/6 ms
Source to Destination negative jitter Num/Sum: 91/311 ms
Destination to Source positive jitter Min/Avg/Max: 1/2/17 ms
Destination to Source positive jitter Num/Sum: 96/241 ms
Destination to Source negative jitter Min/Avg/Max: 1/1/6 ms
Destination to Source negative jitter Num/Sum: 29/46 ms
Packet Loss values:
Out Of Sequence: 0
Number of successes: 91
Number of failures: 0
Operations failed due to TimeOut/Unable Send/Bad Reply: 0/0/0
Operations failed due to Unreachable Net/Host/Port/Prot: 0/0/0/0
Operations failed due to Exceeded TTL/Time of reassembly: 0/0
Packet unidirectional transit statistics may be empty because of the missing time
synchronization on devices and generation of invalid values.
where
Latest operation return code
: completion code of the last executed operation:
OK
: previous operation has been completed successfully.
Failed
: measurement attempt has failed.
Latest latency value
: the latest successfully measured bidirectional latency value.
Latency two-way values
: bidirectional packet transit time measurement statistics.
Latency one-way values
: unidirectional packet transit time measurement statistics:
SD
: from source to destination (
source-to-destination
).
DS
: from destination to source (
destination-to-source
).
Jitter values
: unidirectional jitter measurement statistics. Positive and negative jitter values
are recognized separately in each direction.
Out Of Sequence
: number of packets returned out of sequence.
Number of successes
: number of successfully completed operations.
Number of failures
: number of failed operations.
Failed operations
: counters that show the number of measurement operations completed
with the respective error code.