https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/dhcp-clients-get-ip-without-configuring-dhcp-relay-on-switch/m-p/8653#M234 If the user vlan has a L2 connection all the way to the DHCP server, it will work. Bootprelay is only needed if the DHCP server is on a different vlan than the users. Sun, 18 Feb 2018 12:54:00 GMT BradP 2018-02-18T12:54:00Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/dhcp-clients-get-ip-without-configuring-dhcp-relay-on-switch/m-p/8652#M233 In our network environment, we are using x620 and x440 and all users getting IP without configuring DHCP relay agent on the switch. how is it possible????? Sun, 18 Feb 2018 10:46:00 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/dhcp-clients-get-ip-without-configuring-dhcp-relay-on-switch/m-p/8652#M233 Alok_Shukla 2018-02-18T10:46:00Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/dhcp-clients-get-ip-without-configuring-dhcp-relay-on-switch/m-p/8653#M234 If the user vlan has a L2 connection all the way to the DHCP server, it will work. Bootprelay is only needed if the DHCP server is on a different vlan than the users. Sun, 18 Feb 2018 12:54:00 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/dhcp-clients-get-ip-without-configuring-dhcp-relay-on-switch/m-p/8653#M234 BradP 2018-02-18T12:54:00Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/dhcp-clients-get-ip-without-configuring-dhcp-relay-on-switch/m-p/8654#M235 The only other reason would be that there is a DHCP server on that VLAN that you are not aware of such as a wireless router added incorrectly or someone added a server but as Brad has stated, if the L2 connection to the DHCP server then addresses will be available to the end clients Sun, 18 Feb 2018 20:46:00 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/dhcp-clients-get-ip-without-configuring-dhcp-relay-on-switch/m-p/8654#M235 Jason_Parker 2018-02-18T20:46:00Z