Dhcp Server Screening Commands - D-Link DGS-1210/ME Series Reference Manual

The DHCP server screenint commands in the Command Line Interface (CLI) are listed (along with the
appropriate parameters) in the following table.
Due to this function allow you not only to restrict all DHCP Server packets but also to receive any specified
DHCP server packet by any specified DHCP client, it is useful when one or more than one DHCP servers are
present on the network and both provide DHCP services to different distinct groups of clients.
When DHCP Server Screening function is enabled, all DHCP Server packets will be filtere from a specif ic port.
Also, you are allow to create entries for specific Server IP address an d Client MAC address bi nding by por t-
based. Be aware th a tthe DHCP Ser ver Screen ing f uncti n must b e enabled first On ce all sett ng is do ne, all
DHC P Serve packe s wi ll be filtered fro m a speci fic port e cep t those tha meet th e Se ver IP Ad dres s and
Cli ent M AC Address binding.
Command
config filter
dhcp_server
config filter
dhcp_server
config filter
dhcp_server log
show filter dhcp_server
show dhcp_server
screening
config filter
dhcpv6_server ports
config filter
dhcpv6_server log
create filter
dhcpv6_server
permit_entry
delete filter
dhcpv6_server
permit_entry
show filter
dhcpv6_server
config filter
icmpv6_ra_all_node
ports
config filter
icmpv6_ra_all_node
log
create filter
icmpv6_ra_all_node
permit_server
DGS-1210 Metro Ethernet Managed Switch CLI Reference Guide

DHCP SERVER SCREENING COMMANDS

Parameter
[add permit server_ip <ipaddr> { client_mac <macaddr>} ports [ <portlist> | all ] |
delete permit server_ip <ipaddr> { client_mac <macaddr> } {ports <portlist> state
[ enable | disable]}
illegal_server_log_suppress_duration [1min | 5min | 30min]
state [enable | disable]
<portlist> state {disable | enable}
state [disable | enable]
create filter dhcpv6_server permit_entry <ipv6addr> ports [ <portlist> | all]
<ipv6addr>
<portlist> state [disable | enable]
state [disable | enable[
<ipv6addr> ports { <portlist> | all}
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