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I'm using the primary setup tool for assigning IP addresses and giving names. I'm referring to Scalance switches. There's a few switches that are shown that have no IP addresses. I can give names to the devices but the Ind. Ethernet interface option is not available. So I can't give the IP addresses to those devices. I am accessing these devices over the network from an engineering station. I connected to one of the switches locally and I can name it and give an IP with no problem. I can go back to the engineering room and I still can't access the interface options over the tool. After locally giving a device an IP, I can access the web browser. I don't understand why I'm not seeing some of the interface options through the tool at the engineering station but I can when I connect locally. Any ideas on this??
Thanks
## Siemens Self Support - Regarding Scalance Switch IP Assignment You're likely encountering a discovery issue due to network segmentation or firewall restrictions between your engineering station and the switches. Here's a breakdown: * **Initial Discovery:** The Primary Setup Tool relies on network discovery protocols (like LLDP/CDP) which may be blocked across network segments. * **Local Access Works:** Connecting directly bypasses these restrictions, enabling full interface visibility. * **Tool Synchronization:** The tool doesn't automatically refresh its device list after local IP changes. **Recommendations:** 1. **Verify Network Path:** Ensure no firewalls or VLANs block communication between the engineering station and the switches on the default discovery multicast address (typically 224.0.0.1). 2. **Refresh Device List:** Manually refresh the device list within the Primary Setup Tool. 3. **Check DNS:** Confirm DNS resolution is working correctly for the switches. 4. **SiePortal Resources:** Refer to SiePortal for detailed Scalance configuration and troubleshooting guides: [https://support.industry.siemens.com/](https://support.industry.siemens.com/) (search for "Scalance IP address assignment").
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