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Chapter 3: System planning
Data network planning
Page 3-46
Ethernet port allocation for HCMP topology
Port allocation rules
Decide how the three ODU Ethernet ports will be allocated to the Data Service, Management
Service and Local Management Service based on the following rules:
•
Map the Data Service to at least one of the available wired Ethernet ports.
•
Map the Management Service to In-Band, or to any combination of the remaining unused
Ethernet ports. If the Management Service is mapped to In-Band, it shares all of the ports
selected for the Data Service. The Management Service can be disabled by mapping to
None.
•
Map the Local Management Service to any combination of the remaining unused Ethernet
ports. The Local Management Service can be disabled by mapping to None.
The LAN Configuration page ensures that the Management Agent can always be reached using
either the Management Service or the Local Management Service.
Mapping of ports and services
The rules described above allow for the following thirteen distinct combinations of services:
Table 70 Combinations of services for one ODU in HCMP topology
Service combination
Figure
Port #1
Port #2
Port #3
Data
Local Management
Data
Local Management
Local Management
Data
Out-of-Band Management
Data
Out-of-Band Management
Out-of-Band Management
Data
Out-of-Band Management
Local Management
Data
Data
Out-of-Band Management
Data
Data
Local Management
Data with In-Band
Data with In-Band
Local Management
Data with In-Band
Local Management
Local Management
Data with In-Band
Data with In-Band
Data with In-Band
Data with In-Band
Local Management
Data with In-Band
Data with In-Band
Data with In-Band
illustrate the internal routing of Ethernet traffic in eight three-port