Configuring Ethernet OAM Configuring Ethernet OAM
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 37-12
To configure the lowest priority fault alarm for the lowest priority defect for a MEP, use the ethoam
endpoint lowest-priority-defect command. For example:
-> ethoam end-point 100 domain esd.ale.com association ale-sales lowest-
priority-defect all-defect
Configuring Loopback
To initiate transmitting Loopback messages (LBMs) and obtaining Loopback replies (LBRs), use the
ethoam loopback command. For example:
-> ethoam loopback target-endpoint 10 source-endpoint 20 domain MD association
MA number 3
Reply from 00:0E:B1:6B:43:89: bytes=64 seq=0 time=100ms
Reply form 00:0E:B1:6B:43:89: bytes=64 seq=0 time=112ms
Request timed out.
----00:E0:B1:6B:43:89 ETH-LB Statistics----
3 packets transmitted, 2 packets received, 33% packet loss
round-trip (ms) min/avg/max = 100/106/112
Configuring Linktrace
To initiate transmitting Linktrace messages (LTMs) and detecting Linktrace replies (LTR), use the
ethoam linktrace command. For example:
-> ethoam linktrace 10:aa:ac:12:12:ad end-point 4 domain esd.ale.com association
ale_sales flag fdbonly hop-count 32
Configuring the Fault Alarm Time
The Fault Alarm time is the period of time during which one or more defects should be detected before the
Fault Alarm is issued. By default, this timer is set to 250 centiseconds. To change the Fault Alarm time,
use the ethoam fault-alarm-time command. For example:
-> ethoam fault-alarm-time 500 end-point 100 domain esd.ale.com association
ale_sales
Configuring the Fault Reset Time
The Fault Reset time is the time interval in which Fault Alarm is re-enabled to process the faults. By
default, this timer value is set to 1000 centiseconds. To change the Fault Reset time, use the ethoam fault-
reset-time command. For example:
-> ethoam fault-reset-time 250 end-point 100 domain esd.ale.com association
ale_sales
Configuring Ethernet Frame Delay Measurement
Ethernet frame delay measurement (ETH-DM) is an on-demand OAM function used to measure frame
delay (latency) and delay variation (jitter) between MEPs. There are two types of ETH-DM supported:
one-way and two-way.
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