Cisco Cisco Prime IP Express 8.3 Technical References

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use-client-fqdn 
 default = true
 
Controls whether the server examines the client-FQDN option
for the hostname. Default is true (enable).
If true, the server ignores any characters after the first dot (.)
because the domain is determined from the scope.
If false, the server does not determine the hostname using this.
This is useful if the client is sending unexpected or junk
characters.
 
use-client-fqdn-first 
 default = true
 
Controls whether the DHCP server looks at the client-FQDN option
on incoming packets first, before looking at the 'hostname'
option.  Default is true (enable).
If true and the client-FQDN option specifies a hostname, the
server uses that hostname.
If the client-FQDN option is not present in the incoming packet,
the server uses the hostname from the 'hostname' option.
If false, the server also uses the hostname from the
'hostname' option.
 
use-dns-update-prereqs 
 default = true
 
Controls whether the DHCP server adds prerequisites to DNS
update messages.  Default true (enable).
If true, the DHCP server includes prerequisites in DNS update
messages to make sure the client is using the domain name,
before it is updated with the current lease (IP
address).
If false, the DHCP server assumes the requesting client is
entitled to the domain name.  In this case, it does not include
prerequisites in the DNS update message, and associates the client
lease with that domain name.
Note: The DHCP server always adds prerequisites to the DNS
update message while adding a new domain name record on behalf
of a client acquiring a new lease and removing the domain name
record when a client releases its lease or the lease expires.
 
use-host-name 
 default = true
 
Specifies whether the server looks at  the 'hostname' option
for the hostname. Default is true (enable).
If true, the server obtains the hostname from the 'hostname'
option.
If false, the server does not obtain the hostname from this
option. This is useful if the client is sending unexpected or
junk characters.
 
use-ldap-client-data 
 default = disabled
 
Controls whether the DHCP server attempts to read client-entry
data using the configuration supplied by the 'ldap'
command. Default is false (disable).
 
v6-client-class-lookup-id 
 
Defines the expression used to assign a client-class based
solely on data contained in an incoming DHCPv6 client request.
No default.
The expression must return a string that is the name of a
currently configured client-class; otherwise, the expression
must return the string ''. Any return that is not a string
containing the name of a currently configured client-class or
'' is considered an error.
 
v6-default-free-address-config 
 
Specifies the default SNMP v6 free-address trap configuration object
for the server. All Prefixes and Links that are not individually
configured use this default free-address value.
 
validate-client-name-as-mac 
 default = false
Controls whether client names must be formatted as a MAC
address (or the literal string 'default') when a client
is created.