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Huawei MA5600 Series Boards Description

The Huawei MA5600 supports the super control unit (SCU) board, service interface boards, and SPL boards. Each type of board is different in function.
The boards of the MA5600 include the control boards, service boards, and other boards. Table 1Table 2 and Table 3 list the boards of the MA5600 respectively.
 
NOTE:
The boards decorated with * are not supported by the Huawei MA5608T
 
Table 1 Service boards of the MA5600

 
Table 2 Control boards of the MA5600
 

 
Table 3 SPL boards of the MA5600

 

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Huawei S9306 Vs Huawei S9312

Huawei S9306 and Huawei S9312 are all types from S9300 Huawei Switches. As we all know, Quidway S9300 switches are next-generation high-end terabit routing switches designed for multiservice convergence and it is designed based on Huawei's intelligent multilayer switching technology, providing high-definition video services, large-capacity wireless networks, elastic cloud computing, IPv6-capable hardware, and integrated security. The Huawei S9300 Series Switches also provides stable, reliable, and secure high performance L2/L3 switching services. The S9300 is a highly extensible and reliable platform integrating switching and routing functions to facilitate end-to-end integrated networks, and is widely used in WANs, MANs, campus networks, and data centers to help enterprises build application-oriented networks.
 
Huawei S9306 Vs Huawei S9312
 

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The three types of N66 cabinet for Huawei MA5600

Huawei MA5600 is a front access cabinet. According to the height, the cabinet can be divided into two types:

  • H66-18
  • N66-22
  • N66E-18
Table 1 Dimensions and weight of the N66 cabinet
Cabinet Dimensions (W x D x H) Weight (Empty Cabinet) Maximum input current Working voltage range
N66-22 600 mm x 600 mm x 2200 mm 73 kg
  • DC power supply: 100 A
  • AC power supply: 30 A
  • DC power supply: -48 V DC to -60 V DC
  • AC power supply: 200 V AC to 240 V AC
H66-18 600 mm x 600 mm x 1800 mm 81 kg
  • DC power supply: 50 A
  • AC power supply: 20 A

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What’s the Default Configuration for SNMP

As a network management standard protocol used on TCP/IP networks, The Simple Network Management Protocol (SNMP) uses a central computer (NMS) that runs network management software to manage network elements.
 
In a large network, it is very difficult for network administrator to detect, locate and rectify the fault as the devices does not report the fault. This affects maintenance efficiency and increases maintenance workload. To solve this problem, equipment vendors have provided network management functions in some products. Then the administrator can query the status of remote devices, and devices can send traps to the NMS in the case of particular events.
 
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What Are the Aging Time and Aging Mechanism of ARP Entries?

The default aging time of ARP entries is 20 minutes. You can run the arp expire-time command to change the aging time.
 
You can also change the number of ARP probes by running the arp detect-times command. The default number of ARP probes is 3.
 
When the aging time of an ARP entry expires, the S2700/S3700/S5700/S6700 sends a probe packet to the corresponding IP address every 5 seconds. If the S2700/S3700/S5700/S6700 does not receive any response after the specified number of probes, it deletes the ARP entry.
 
For example, the aging time of ARP entries is set to 60s and the number of ARP probes is set to 6.
 
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How to Recover the BootROM Password

Huawei S7700 & Huawei S9700 & Huawei S12700 Series Switches Troubleshooting – How to Recover the BootRom Password.
 
The BootROM is the basis for device security and maintenance, which provides the functions such as configuration recovery and system software upgrade. You must keep the BootROM password secure. If the BootROM password is lost, you can run the reset boot password command to restore the default password and reset a password.
 
NOTE
V2R5 and later versions: The BootROM menus on the S7700 and S9700 are used as examples. The S12700's uBoot menu is similar to the BootROM menu with slight differences. However, you can also recover the S12700 BootLoad password according to the method described in this section.
 
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