# Error on Adding a Switch in Switch Port Mapper Tool - ManageEngine OpUtils ## Error on Adding a Switch - Not a Switch ### Problem You get an error as "Not a Switch" when you add a switch in the Switch Port Mapper Tool. ### Cause The Switch Port Mapper, while adding a switch, performs the following checks: 1. Whether the Switch respond to SNMP queries for the given community string. 2. Whether the Switch has the Bridge MIB implemented. The Bridge MIB will contain the details of the MAC Addresses of the devices connected to the Switch Ports. If this MIB is not implemented, it simply returns an error as "Not a Switch" **Note:** Switches that supports Bridge MIB can only be mapped using the Switch Port Mapper Tool. ### Supported Switch Types The Switch Port Mapper tool is tested to support switches of the following vendors: | Vendor | Vendor | Vendor | |---|---|---| | Cisco | Nortel | HP | | Foundry | Extreme Networks | Intel | | DLink | Huawei 3com | Allied Telesyn | | Alcatel | Force 10 | Dell | | Aruba | Arista | | ### More Information If your switch is one of those in the supported model and you still get this error, contact [oputils-support@manageengine.com](mailto:oputils-support@manageengine.com). **Applies to:** Switch Port Mapper, Rogue Detection **Keywords:** Switch Port Mapping, Map Switch Ports to Devices, Add Switch, Switch Scanning. ### 24/5 Support Support will be available 24hrs a day and five days a week (Monday through Friday), excluding USA & India public holidays. Tel : +1-888-720-9500 Email : [oputils-support@manageengine.com](mailto:oputils-support@manageengine.com) **Speak to us** - Join the OpUtils Community, to get instant answers for your queries, register with our [Forum](http://forums.manageengine.com/OpUtils). - Tweet the latest happenings in OpUtils, follow us at [Twitter](http://twitter.com/OpUtils).