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Cisco ONS 15454 Reference Manual, R7.0
78-17191-01
Chapter 13 Management Network Connectivity
13.7 13.7.9 OSI/IP Networking Scenarios
• TL1 management is not required.
• FTP file transfer is not required.
• TL1 and FTAM to FTP mediation is not required.
Management traffic between CTC/CTM and ONS 15454 NEs is carried over an IP-over-CLNS tunnel.
A static route is configured on the ONS 15454 that terminates the tunnel (ONS 15454 NE 1) so that
downstream ONS 15454 NEs (ONS 15454 NE 2 and 3) know how to reach CTC/CTM.
13.7.9.8 OSI/IP Scenario 8: OSI OSS, OSI DCN, ONS GNE, OSI DCC, and Other Vender NEs
OSI/IP Scenario 8 (Figure 13-39) is another example of a European network. Similar to OSI/IP Scenario
7, the ONS 15454 NEs are solely managed by CTC/CTM. The CTC/CTM IP traffic is carried over a
IP-over-OSI tunnel between an external router and the ONS 15454 GNE. The GNE extracts the IP from
the tunnel and forwards it to the destination ONS 15454. Management traffic between the OSS and other
vendor NEs is routed by the ONS 15454 GNE and NEs. This is possible because all ONS 15454 NEs run
dual stacks (OSI and IP).