Cisco ONS 15454 Troubleshooting Manual page 420

2.7.374 SHUTTER-OPEN
2.7.374 SHUTTER-OPEN
For information about this alarm or condition, refer to the "Alarm Troubleshooting" chapter in the
Cisco ONS 15454 DWDM Troubleshooting Guide. This guide discusses all DWDM alarms.
2.7.375 SIGLOSS
The Signal Loss on Data Interface alarm is raised on FC_MR-4 card receive client ports and MXP card
FC and ISC client data ports when there is a loss of signal. (Loss of Gigabit Ethernet client signal results
in a
trunk port.
If the
demote it.
Clear the SIGLOSS Alarm
Ensure that the data port connection at the near-end card's port of the SONET link is operational.
Step 1
Verify fiber continuity to the port. To verify fiber continuity, follow site practices.
Step 2
Check the physical port LED on the card. The port LED looks clear (that is, not lit green) if the link is
Step 3
not connected.
If the alarm does not clear, log onto http://www.cisco.com/techsupport for more information or call
Step 4
Cisco TAC 1 800 553-2447 in order to report a Service-Affecting (SA) problem.
2.7.376 SNTP-HOST
The Simple Network Timing Protocol (SNTP) Host Failure alarm indicates that an ONS 15454 serving
as an IP proxy for the other ONS 15454 nodes in the ring is not forwarding SNTP information to the
other nodes in the network. The forwarding failure can result from two causes: either the IP network
attached to the ONS 15454 proxy node is experiencing problems, or the ONS 15454 proxy node itself is
not functioning properly.
Clear the SNTP-HOST Alarm
Step 1 Ping the SNTP host from a workstation in the same subnet to ensure that communication is possible
within the subnet by completing the
on page
Cisco ONS 15454 Troubleshooting Guide, R8.5
2-226
Default Severity: Major (MJ), Service-Affecting (SA)
SONET Logical Object: FCMR
DWDM Logical Objects: ESCON, FC, GE, ISC, TRUNK
"CARLOSS (GE)" alarm on page
"SYNCLOSS" alarm on page
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SONET Logical Object: NE
1-119.
2-65, not SIGLOSS.) SIGLOSS can also be raised on the MXP
2-240, was previously raised on the port, the SIGLOSS alarm will
"1.9.8 Verify PC Connection to the ONS 15454 (ping)" procedure
Chapter 2 Alarm Troubleshooting
November 2009