How do S series modular switches establish a CSS

After S series modular switches establish a CSS: In V2R3 and earlier versions, log in to the CSS through the console port on the active MPU. In later versions of V2R3, log in to the CSS through the console port of any MPU. When there are reachable routes, you can remotely log in to the CSS through the management interface on any MPU or a Layer 3 interface using Telnet, STelnet, web, and SNMP.

Two S series modular switches can be used to establish a CSS.

The S9706/S9712 and S12704/S12708/S12712 support EH1D2VS08000; the S7706/S7712 supports ES02VSTSA; the S9306/S9312 supports LE0D0VSTSA00. Different types of CSS cards cannot be used together.

The requirements are as follows: CSS card clustering: (1) For the S7700/S9700/S9300, two switches in the CSS must be configured with active and standby MPUs. That is, one switch is equipped with two MPUs. The S7700 and S9300 support the SRUA and SRUB that can have the VSTSA card installed. The MPUs on one switch must have the same model. The local and remote devices can use different models of MPUs, but the same model of MPUs is recommended. The S9700 supports only the SRUC that has the VS08000 card installed. (2) Each S12700 must be configured with one MPU. You are advised to install at least two MPUs on each S12700 (an S12708 or S12712 can be configured with a maximum of four MPUs and an S12704 can be configured with a maximum of two MPUs). Service port clustering: (1) For the S7700/S9700/S9300, there is no requirement for configuring two MPUs on one switch. The MPUs on one switch must have the same model. In addition, the local and remote devices can use different models of MPUs. If the SRUH is used, the local and remote chassis must use SRUHs. (2) The S12700 does not support service port clustering.

After S series modular switches establish a CSS, the management address in the configuration file of the master switch takes effect.