Huawei CX600-X1-M Series Hardware Description page 75

HUAWEI CX600-X1-M/CX600-X2-M Series Metro
Services Platform
Hardware Description
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Numbering Rule of Service Interfaces on the CX600-X2-M16
Numbering Rule of Service Interfaces on the CX600-X2-M16
Service interfaces on the CX600-X2-M16 are numbered in the following format: 0/subcard slot
number/interface number on the subcard.
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Table 3-4 Slot layout of the CX600-X2-M16
Slot
1 to 16
17 and 18
Issue 03 (2014-04-30)
Load balancing
– In load balancing mode, two NPUs forward services of their managed subcards
respectively to load balance the total traffic of all subcards. If one NPU is unavailable,
the other NPU will not take over services on the unavailable NPU. Therefore, the load
balancing mode is less reliable than the master/slave mode.
– In load balancing mode, each NPU manages only the subcards in the same half board
cage as the NPU itself. For example, in the board layout shown in
manages PICs 1 to 8, and NPU 18 manages PICs 9 to 16. If NPU 18 is unavailable,
NPU 17 will not take over the services of PICs 9 to 16.
Figure 3-5 CX600-X2-M8 board layout
21 PSU
15 SIC
13 SIC
11 SIC
9 SIC
18 NSU
23
FAN
17 NSU
7 SIC
5 SIC
3 SIC
1 SIC
19 MPU
A subcard slot number is the number of the slot where an interface's subcard resides. A
subcard slot number ranges from 1 to 16.
An interface number on the subcard starts with 0, and its maximum value is determined by
the actual number of interfaces on the subcard.
Numb
er
16
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3 CX600-X2-M16 Hardware Description
22 PSU
16 SIC
14 SIC
12 SIC
10 SIC
8 SIC
6 SIC
4 SIC
2 SIC
20 MPU
Remarks
For PICs, which include HICs, FICs and the other subcards.
For NPUs.
Figure 3-5, NPU 17
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