How many cables are required to connect two stacks

1

To ensure reliability and service bandwidth, you are advised to take the following precautions when connecting two stacks of S series fixed switches.
1. Two or more cables are required to perform link backup, ensuring system reliability.
2. You are advised to connect the stacks with an even number of cables.
3. More cables connected can provide higher link bandwidths for transmitting services between the stacks.

Other related questions:
How many cables are required for setting up a stack of CE switches
At least one cable is required to connect two member switches. To ensure reliability, you are advised to use two cables to connect different cards of two member switches.

Number of stack cables among switches on OceanStor 9000 V100R001C01
CE6810 switches are stacked through 40GE QSFP+ high-speed cables. The number of cables varies with the number of the OceanStor 9000 nodes. CONFIGURE principles are as follows: - Configure two cables if a cluster contains 3 to 16 nodes. - Configure three cables if a cluster contains 17 to 24 nodes. - Configure four cables if a cluster contains 25 to 31 nodes. If the number of cluster nodes is greater than or equal to 32, use CE12800 switches instead of CE6810.

Does STP need to be enabled on a stack to connect the stack to a switch using two cables
Configure Eth-Trunk on a stack of S series switches after the stack is connected to a switch. STP is not required.

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