Whether commands are the same for modular switches

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Modular switches are developed on Huawei Versatile Routing Platform (VRP). Most commands of different series of switches are the same, and only a few commands are different due to various reasons such as hardware differences.

Other related questions:
Whether the cluster on S series modular switches needs a license
For S7700 and S9700 series switches, licenses are not required for CSS card and service port clustering. Licenses are not required for S12700 clustering. For S9300 series switches, licenses are not required for CSS card clustering, but required for service port clustering.

Whether S series switches support NAT
S series switches do not support NAT, but S series modular switches configured with SPUs support NAT. 1. S series fixed switches do not support NAT. 2. S7700 and S9700 series modular switches configured with SPUs support NAT. 3. S9300 series modular switches configured with SPUs support NAT. 4. S12700 series modular switches do not support NAT.

Why do two modular switches have the same MAC address
Each MPU of a switch has a default MAC address. When two MPUs are installed on SwitchA to function as the active and standby MPUs, the standby MPU will automatically use the MAC address of the active MPU as its own MAC address. When the standby MPU is removed from SwitchA and then installed on SwitchB to function as the active MPU of SwitchB, the MAC addresses of SwitchA and SwitchB become the same. You need to restore the default MAC address of the active MPU on SwitchB.

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