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Cisco ONS 15454 Installation and Operations Guide
November 2001
Chapter 6 Circuits and Tunnels
Creating DCC Tunnels
Figure 6-15 A DCC tunnel
When you create DCC tunnels, keep the following guidelines in mind:
• Each ONS 15454 can have up to 32 DCC tunnel connections.
• Each ONS 15454 can have up to 10 SDCC terminations.
• An SDCC that is terminated cannot be used as a DCC tunnel end-point.
• An SDCC that is used as an DCC tunnel end-point cannot be terminated.
• All DCC tunnel connections are bidirectional.
Procedure: Provision a DCC Tunnel
Step 1 Log into an ONS 15454 that is connected to the non-ONS 15454 network.
Step 2 Click the Provisioning > Sonet DCC tabs.
Step 3 Beneath the DCC Tunnel Connections area (bottom right of the screen), click Create.
Step 4 In the Create DCC Tunnel Connection dialog box (Figure 6-16), select the tunnel end points from the
From (A) and To (B) lists.
Note You cannot use the SDCC listed under SDCC Terminations (left side of the window) for
tunnel connections. These are used for ONS 15454 optical connections.
Third party
equipment
Link 1
From (A)
Slot3 (OC3)
port 1, SDCC
To (B)
Slot13 (OC48)
port 1, Tunnel 1
Node 1
32134
Third party
equipment
Link 2
From (A)
Slot12 (OC48)
port 1, Tunnel 1
To (B)
Slot13 (OC48)
port 1, Tunnel 1
Node 2
Link 3
From (A)
Slot12 (OC48)
port 1, Tunnel 1
To (B)
Slot3 (OC3)
port 1, SDCC
Node 3