Blsrosync - Cisco ONS 15327 User Documentation

Chapter 14 Alarm Troubleshooting

14.4.22 BLSROSYNC

•
The BLSR out of sync (BLSROSYNC) alarm occurs when the mapping table needs to be updated. To
clear the alarm, a new ring map must be created and accepted. Before you create a new ring map,
complete Steps 1 to 4 of the
Procedure: Clear the BLSROSYNC Alarm
Prior to accepting a new mapping table, verify that each node has a unique node ID number:
Step 1
a.
b.
c.
d.
e.
f.
Verify that each node has a ring ID that matches the other node ring IDs:
Step 2
a.
b.
c.
d.
e.
f.
Verify correct configuration of the east port and west-port optical fibers. (See the
Step 3
section on page
If it is a four-fiber BLSR system, make sure that each protect fiber connects to another protect fiber, and
Step 4
each working fiber connects to another working fiber. The software does not report any alarm if there is
a working fiber misconnected to a protect fiber.
If the east-to-west configuration changes, click Apply.
Step 5
The BLSR Ring Map Change window appears.
Click Yes to accept the ring map.
Step 6
If the alarm does not clear, check the ring map for each ONS 15327 in the network and verify that each
Step 7
node is visible to the other nodes.
June 2002
When replacing a card with an identical type of card, no additional CTC provisioning is
Note
required.
Major, Service-Affecting
"Clear the BLSROSYNC Alarm" procedure on page
Login to a node on the ring.
Click the Provisioning > Ring tabs.
Record the node ID number.
Repeat Steps a to c for all nodes in the ring.
If two nodes have the same node ID number, change one node ID number, so the node ID number is
unique within that ring.
Click Apply.
Login to the next node on the ring.
Click the Provisioning > Ring tabs.
Record the ring ID number.
Repeat Steps a and b for all nodes in the ring.
If a node has a ring ID number that does not match the other nodes, change the ring ID to match all
the other nodes in the ring.
Click Apply.
14-33.)
14-19.
"E-W-MISMATCH"
Cisco ONS 15327 User Documentation, R3.3
Alarm Procedures
14-19