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Cisco ONS 15310-MA SDH Procedure Guide, Release 9.1 and Release 9.2
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Chapter 5 Create Circuits and VC Low-order Path Tunnels
Before You Begin
circuit testing or to suppress circuit alarms temporarily. Change the administrative state to
unlocked; Automatic In Service; or locked, outOfGroup when testing is complete. See the
“DLP-H111 Change a Circuit Service State” task on page 17-15
.
Note
A VC low-order path tunnel automatically transitions into the unlocked service state after a
VC low-order path circuit is created.
For additional information about circuit service states, refer to the “Circuits and Tunnels” chapter
in the
Cisco ONS 15310-MA SDH Reference Manual
.
Step 8
Click
Next
.
Step 9
In the Circuit Source area, choose the node where the VC low-order path tunnel will originate from the
Node drop-down list.
Step 10
Click
Next
.
Step 11
In the Circuit Destination area, choose the node where the VC low-order path tunnel will terminate from
the Node drop-down list.
Step 12
Click
Next
.
Step 13
In the Circuit Routing Preferences area, uncheck
Route Automatically
.
Step 14
Click
Next
. In the Route Review and Edit area, node icons appear for you to route the tunnel. The circuit
source node is selected. Green arrows pointing from the source node to other network nodes indicate
spans that are available for routing the tunnel.
Step 15
Complete the
“DLP-H62 Provision a VC Low-order Path Tunnel Route” task on page 16-80
for the
tunnel you are creating. The Circuits window appears.
Step 16
Verify that the tunnel you just created appears in the circuits list. VC low-order path tunnels are
identified by VC low-order path in the Type column.
Stop. You have completed this procedure.
NTP-H45 Create a VC Low-order Path Aggregation Point
Note
The maximum number of VAPs that you can create depends on the node protection topology and number
of VC-12 circuits that terminate on the node. Assuming no other VC-12 circuits terminate at the node,
the maximum number of VAPs that can terminate at one node is ten for the ONS 15310-MA SDH.
Purpose
This procedure creates a VC low-order path aggregation point (VAP).
VAPs allow multiple E1 (VC-12) circuits to be aggregated on a single VC
high-order path on an STM-M port. VAPs allow multiple VC-12 circuits to
aggregate on a single VC4 path.
Tools/Equipment
None
Prerequisite Procedures
NTP-H36 Verify Network Turn-Up, page 5-4
Required/As Needed
As needed
Onsite/Remote
Onsite or remote
Security Level
Provisioning or higher
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