I may have wrote misleading:
It need these options to tag the architecture
dhcp-vendorclass=ARM32,PXEClient:Arch:00010
dhcp-vendorclass=ARM64,PXEClient:Arch:00011
and these options to send them the PROXYDHCP
dhcp-boot=tag:ARM32,default,192.168.160.19
dhcp-boot=tag:ARM64,default,192.168.160.19- Bug#1003156: dnsmasq: SIGSEV when running as PROXYDHCP and targ... Georg Gast
- Bug#1003156: dnsmasq: SIGSEV when running as PROXYDHCP and... Georg Gast

