Edge-Core ECS4120-28F, Reference Manual, Page: 823 / 938

Chapter 27
| OAM Commands
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show efm oam
event-log interface
This command displays the OAM event log for the specified port(s) or for all ports
that have logs.
show efm oam event-log interface [ interface-list ]
interface-list - unit / port
unit - Unit identifier. (Range: 1)
port - Port number or list of ports. To enter a list, separate
nonconsecutive port identifiers with a comma and no spaces; use a
hyphen to designate a range of ports. (Range: 1-28/52)
Command Mode
Normal Exec, Privileged Exec
Command Usage
◆
When a link event occurs, no matter whether the location is local or remote, this
information is entered in the OAM event log.
◆
When the log system becomes full, older events are automatically deleted to
make room for new entries.
Example
Console#show efm oam event-log interface 1/1
OAM event log of Eth 1/1:
00:24:07 2001/01/01
"Unit 1, Port 1: Dying Gasp at Remote"
Console#
This command can show OAM link status changes for link partner as shown in this
example.
Console#show efm oam event-log interface 1/1
OAM event log of Eth 1/1:
10:22:55 2013/09/13
"Unit 1, Port 1: Connection to remote device is up at Local"
10:22:44 2013/09/13
"Unit 1, Port 1: Connection to remote device is down at Local"
<--- When the link is down,this event will be written to OAM event-log
10:20:02 2013/09/13
"Unit 1, Port 1: Connection to remote device is up at Local"
<--- When the link is up,this event will be written to OAM event-log,
Console#clear efm oam event-log
<--- Use he "clear efm oam event-log” command to clear the event-log.
Console#show efm oam event-log interface 1/1
Console#
This command can show OAM dying gasp changes for link partner as shown in this
example.