Cisco ONS 15454 DWDM - Figure 15-28 OSI;MSTP Scenario

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Cisco ONS 15454 DWDM Reference Manual, R8.5

78-18343-02

Chapter 15 Management Network Connectivity

15.8 TCP/IP and OSI Networking

Figure 15-28 OSI/MSTP Scenario 2

OSI/MSTP Scenario 3 (Figure 15-29) shows the following:

• OSI is carried over an SDCC or RS-DCC termination.

• OSI has to be carried or tunneled to the other peer TXP/MXP through an OSC termination, GCC

termination, or both.

• An OSS has IP connectivity to all the NEs.

• The MSTP NE is a GNE for the third-party OSI-based SONET NEs. The MSTP NEs perform all

mediation functions.

OSC

OSCOSC

SDCC/RS-DCC

OSI over SDCC/RS-DCC

TXP/MXP

Other vendor

SONET/SDH

Other vendor

SONET/SDH

MSTP

137657

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