topic Change from Bootprelay to udpfwd profile , caused DHCP to be unstable , where some clients receive an IP address from the DHCP server. in ExtremeSwitching (EXOS/Switch Engine) https://community.extremenetworks.com/t5/extremeswitching-exos-switch/change-from-bootprelay-to-udpfwd-profile-caused-dhcp-to-be/m-p/25962#M3347 Change from Bootprelay to udpfwd profile ,for specific vlans to support PXE boot , this caused DHCP to be unstable , where some clients receive an IP address from the DHCP server , while others do not , while on teh same network .<BR /> <BR /> Looking at the DHCP server , logs it would appear that the dhcp request are not reaching the DHCP server Infoblox.<BR /> <BR /> Bootp relay configuration removed before udp-profile added.<BR /> <BR /> Running Code 16.2.2.4<BR /> <BR /> When the udp profile was removed and bootprelay configured , then the dhcp operated as expected. Thu, 18 Apr 2019 18:25:00 GMT Rod_Robertson 2019-04-18T18:25:00Z Change from Bootprelay to udpfwd profile , caused DHCP to be unstable , where some clients receive an IP address from the DHCP server. https://community.extremenetworks.com/t5/extremeswitching-exos-switch/change-from-bootprelay-to-udpfwd-profile-caused-dhcp-to-be/m-p/25962#M3347 Change from Bootprelay to udpfwd profile ,for specific vlans to support PXE boot , this caused DHCP to be unstable , where some clients receive an IP address from the DHCP server , while others do not , while on teh same network .<BR /> <BR /> Looking at the DHCP server , logs it would appear that the dhcp request are not reaching the DHCP server Infoblox.<BR /> <BR /> Bootp relay configuration removed before udp-profile added.<BR /> <BR /> Running Code 16.2.2.4<BR /> <BR /> When the udp profile was removed and bootprelay configured , then the dhcp operated as expected. Thu, 18 Apr 2019 18:25:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/change-from-bootprelay-to-udpfwd-profile-caused-dhcp-to-be/m-p/25962#M3347 Rod_Robertson 2019-04-18T18:25:00Z