This article describes the syslog message cm_tsunami_mpfe_update_link_status and how to manage it.

If you are using a small form-factor pluggable transceiver (SFP-T) on the EX4500 series platform, you may see the following syslog message.

Oct 22 20:44:15 EX4500 chassism[1331]: cm_tsunami_mpfe_update_link_status: ge-0/0/20 link status change - down

Oct 22 20:44:15 EX4500 chassism[1331]: cm_tsunami_mpfe_update_link_status: ge-0/0/20 link status change - down

Oct 22 20:44:19 EX4500 chassism[1331]: cm_tsunami_mpfe_update_link_status: ge-0/0/20 link status change - down

Oct 22 20:44:20 EX4500 chassism[1331]: cm_tsunami_mpfe_update_link_status: ge-0/0/20 link status change - down

Oct 22 20:44:22 EX4500 chassism[1331]: cm_tsunami_mpfe_update_link_status: ge-0/0/20 link status change - down

Oct 22 20:44:29 EX4500 chassism[1331]: cm_tsunami_mpfe_update_link_status: ge-0/0/20 link status change - down

Oct 22 20:44:38 EX4500 chassism[1331]: cm_tsunami_mpfe_update_link_status: ge-0/0/20 link status change - down

When SFP-T ports on the EX4500 do not have a cable or active link connection, the EX continuously generates the following log message:

cm_tsunami_mpfe_update_link_status: <interface-name> link status change - down

This message was introduced in Junos OS 12.2.

This message does not impact other functionality. You can safely ignore this message.

Or, you can filter this message using the set command from the messages file, as shown below:

set system syslog file messages match "!(.*cm_tsunami_mpfe_update_link_status.*)"

Note: This message has been removed from Junos OS 12.3R7 and above.