https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/ers4900-dhcp-snooping-trust-nni-interface/m-p/77478#M1168 You can apply DHCP-Snooping trust on the NNI ports. Thu, 14 Mar 2019 07:02:46 GMT EXTR_Paul 2019-03-14T07:02:46Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/ers4900-dhcp-snooping-trust-nni-interface/m-p/77477#M1167 Hi folks,<BR /> <BR /> In switch/stack ERS4900 with SPB config, when you configure dhcp-snooping, do the NNI interfaces have to be set to trusted like an uplink port in legacy networks?<BR /> <BR /> Regards,<BR /> <BR /> EF Wed, 13 Mar 2019 16:08:52 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/ers4900-dhcp-snooping-trust-nni-interface/m-p/77477#M1167 EF 2019-03-13T16:08:52Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/ers4900-dhcp-snooping-trust-nni-interface/m-p/77478#M1168 You can apply DHCP-Snooping trust on the NNI ports. Thu, 14 Mar 2019 07:02:46 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/ers4900-dhcp-snooping-trust-nni-interface/m-p/77478#M1168 EXTR_Paul 2019-03-14T07:02:46Z