For the above reasons, DHCP message should not be IP-fragmented. However, DHCP message MTU being not more than link-layer MTU can be a non-workable requirement when carrying EAP, considering the fact that EAP can consume up to 1020 octets and additionally other options need to be carried in a DHCP message.
Also, not all EAP methods support fragmentation, and among those that do, not all implementations support an MTU that varies on a per-packet basis.
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