Ntp-B213 Remove A Blsr Node - Cisco ONS 15327 Procedure Manual
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Chapter 13
Add and Remove Nodes
NTP-B213 Remove a BLSR Node
Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
The following procedure minimizes traffic outages during node removals. You will delete all circuits that
Caution
originate and terminate on the node that will be removed.
Caution
If you remove a node that is the only BITS timing source for the ring, you also remove the only source
of synchronization for all the nodes in that ring. Circuits that leave the ring to connect to other networks
synchronized to a Stratum 1 clock will experience a high level of pointer adjustments, which might
adversely affect traffic performance.
Log into a node on the BLSR. Do not log into the node that you will remove. See the
Step 1
into CTC" task on page 2-23
Create a diagram of the BLSR where you will remove the node. You can draw the BLSR manually, or
Step 2
print it from CTC by performing the following steps:
a.
b.
c.
d.
e.
Referring to the BLSR diagram, identify the following:
Step 3
•
•
March 2003
This procedure removes a node from a BLSR.
None
NTP-B108 Back Up the Database, page 14-6
As needed
Onsite
Provisioning or higher
for instructions.
From the View menu, choose Go to Network View.
Click the BLSR tab, click the BLSR, then click Edit.
In the BLSR window, verify that all the port information is visible. If not, press Ctrl and drag the
node icons to a new location so the information can be viewed.
From the File menu, choose Print.
Close the BLSR window by choosing Close from the File menu.
The node that is connected through its west port to the node that will be removed. For example, if
you were removing Node 3 in Figure 13-2, Node 1 is the node connected through its west port to
Node 3.
The node that is connected via its east port to the target (removed) node. In Figure 13-2, Node 3 is
the node connected via its east port to Node 4.
NTP-B213 Remove a BLSR Node
Cisco ONS 15327 Procedure Guide, R4.0
"DLP-B60 Log
13-9
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