Motorola Netopia Embedded Software Especificaciones Pagina 252

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Administrator’s Handbook
252
DHCP Option Filtering
Beginning with Firmware Version 7.7, support for DHCP option filtering is provided via the filterset settings.
set dhcp filterset name "
string
" rule
n
type [ dhcp-option | hw-address |
requested-option ]
Specifies a DHCP filterset named string as one of three possible types:
The rule can either specify an option and option contents, dhcp-option; a client hardware address range,
hw-address; or an option the client is requesting, requested-option. For hw-address, you will need to
enter start-address and end-address values; for the others a dhcp-option parameter must be set.
By default a rule is of type dhcp-option, for backwards compatibility.
set dhcp filterset name "
string
" rule
n
dhcp-option [ 0... 255 ]
Creates a DHCP filterset named
string
, for example “settopbox,” with rule number
n
.
Up to two filtersets can be added. Your Gateway supports a single LAN DHCP server instance, but an addi-
tional filterset is available for use when bridging, to block undesired DHCP traffic. Up to 8 rules can be cre-
ated in the filterset, which are evaluated in order.
dhcp-option determines which DHCP option should be compared. A typical value would be to use option
60 data for comparison, but allowing this value to be configured permits more flexibility.
set dhcp filterset name "settopbox" rule 1 type dhcp-option
set dhcp filterset name "
string
" rule
n
match-action
[ pass | discard | continue ]
Assigns a match action to the filterset. If set to pass the match-pool address is shown.
set dhcp filterset name "
string
" rule
n
absent-action
[ pass | discard | continue ]
Assigns an absent action to the filterset. If set to pass the absent-pool address is hidden.
set dhcp filterset name "
string
" rule
n
match-option-group "
option_group
*"
Assigns the option group named
option_group
to match.
set dhcp filterset name "
string
" rule
n
match-str "
match_string
*"
Assigns a match string to the filterset. The match-str string will be compared against the DHCP DISCOVER
option data. This string can contain multiple “*” and “?” wildcard substitutions.
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