A:
1. A stack cannot be set up among different switch series. For example, a stack cannot be set up among the S5700 and S6700 switches.
2. A stack cannot be set up among different switch models of the same switch series. For example, a stack cannot be set up among the S5720EI and S5720HI switches.
3. A stack can be set up among only certain different switch models of the same switch series. For example, a stack can be set up among the S5720SI and S5720S-SI switches but not among the S5720LI and S5720S-LI switches. For details about whether a stack can be set up among different switch models, see stack support of different switch models in Product Use Precautions . As described in Remarks of S6720LI& S6720S-LI Service Port Stacking Support, a stack can be set up among all S6720LI models, among all S6720S-LI models, but not among the S6720LI and S6720S-LI models.
For more precautions, see Product Use Precautions.
Step 1: Log in to the enterprise technical support website at http://support.huawei.com/enterprise/en/index.html.
Step 2: Click Switches.
Step 3: Click the name of the product to be queried, for example, S5700.
Step 4: Choose Recommended to find the Product Use Precautions for your switch model.
Step 5: Click Product Use Precautions, and choose Device Management. In the right pane, select the stacking support for your switch series.
