Cisco ONS 15310-MA Troubleshooting Manual page 128

Alarm Procedures
2.7.198 SHELF-COMM-FAIL
For information about this alarm or condition, refer to the "Alarm Troubleshooting" chapter in the
Cisco ONS 15454 DWDM Troubleshooting Guide. That guide discusses all DWDM alarms.
2.7.199 SNTP-HOST
The Simple Network Timing Protocol (SNTP) Host Failure alarm indicates that an
ONS 15310-MA SDH serving as an IP proxy for the other 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 proxy node is experiencing problems, or the ONS proxy node itself
is not functioning properly.
Clear the SNTP-HOST Alarm
Ping the SNTP host from a workstation in the same subnet to ensure that communication is possible
Step 1
within the subnet by completing the procedure in the
to the Node (Ping)" section on page
Step 2 If the ping fails, contact the network administrator who manages the IP network that supplies the SNTP
information to the proxy and determine whether the network is experiencing problems which could
affect the SNTP server/router connecting to the proxy ONS system.
If no network problems exist, ensure that the ONS 15310-MA SDH proxy is provisioned correctly by
Step 3
completing the following steps:
a.
b.
c.
d.
If proxy is correctly provisioned, refer to the "Cisco Transport Controller Operation" chapter in the
Step 4
Cisco ONS 15310-MA SDH Reference Manual for more information on SNTP Host for general
information about working with SNTP. Refer to the "Turn Up Node" chapter in the Cisco ONS15310-MA
SDH Procedure Guide.
If the alarm does not clear, log into the Technical Support Website at
Step 5
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447).
2.7.200 SQM
Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
2-128
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SDH Logical Object: NE
In node view for the node serving as the proxy, click the Provisioning > General tabs.
Ensure that the Use NTP/SNTP Server check box is checked.
If the Use NTP/SNTP Server check box is not checked, click it.
Ensure that the Use NTP/SNTP Server field contains a valid IP address for the server.
Default Severity: Critical (CR), Service-Affecting (SA) for VCTRM-HP; Major (MJ),
Service-Affecting (SA) for VCTRM-LP
SDH Logical Objects: VCTRM-HP, VCTRM-LP
"1.8.8 Verify Microsoft Windows PC Connection
1-60.
Chapter 2 Alarm Troubleshooting
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