that include addresses, prefixes, options, client classes and
other features. The reservation can be based on hardware address,
DUID, circuit-id or client-id in DHCPv4 and using hardware address
- or DUID in DHCPv6. However, there are sometimes scenario where the
+ or DUID in DHCPv6. However, there are sometimes scenarios where the
reservation is more complex, e.g. uses other options that
mentioned above, uses part of specific options or perhaps even a
combination of several options and fields to uniquely identify a