Page permalink Always use the following permalink when referencing this page. It will remain unchanged in future help versions. https://docs.sophos.com/central/customer/help/en-us/index.html?contextId=switch-management-L3 Your browser doesn’t support copying the link to the clipboard. Please copy it manually. L3 protocols You can use the L3 protocols tab to configure the following features: DHCP relay. DHCP snooping. MLD snooping. IGMP snooping. Was this page helpful? Thank you for your feedback Thank you for your feedback. Help us improve this page by giving us more information.