Protocol Subsystem - Zte zxmsg 5200 Technical Manual

ZXMSG 5200 (V2.0.2) Multiplex Service Gateway Technical Manual
Sub-modules
Features
Introduction
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Version management
System software management
Figure 4 shows the internal functional sub-modules.
F 4 – S - M
I G U R E U B O D U L E S
OSS features are as follows:
Switching chip initialization and normal running
Access to the MIB set, address table, VLAN table and port
setting register (which are maintained by the switching chip)
Configuration of packet transmitting/receiving buffer
Message forwarding (sent by the switching chip) to CPU and
from CPU to TCP/IP protocol subsystem or switching protocol
subsystem
Service layer with data forwarding paths

Protocol Subsystem

The protocol subsystem consists of three parts:
Universal protocol subsystem
Broadband protocol subsystem
Narrowband protocol subsystem