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DCS-3950 series Ethernet switch manual
Function: Set the lease time for addresses in the address pool; the ‘no lease’ command
restores the default setting.
Parameters: <days> is number of days from 0 to 365; <hours> is number of hours from 0
to 23; <minutes> is number of minutes from 0 to 59; infinite means perpetual use.
Default: The default lease duration is 1 day.
Command mode: DHCP Address Pool Mode
Usage Guide: DHCP is the protocol to assign network addresses dynamically instead of
permanently, hence the introduction of ease duration. Lease settings should be decided
based on network conditions: too long lease duration offsets the flexibility of DHCP, while
too short duration results in increased network traffic and overhead.
Example: Set the lease of DHCP pool ‘1’ to 3 days 12 hours and 30 minutes.
Switch(dhcp-1-config)#lease 3 12 30
18.2.2.16 netbios-name-server
Command: netbios-name-server <address1>[<address
2>[…<address8>]]
no netbios-name-server
Function: Configure WINS servers’ address; the ‘no netbios-name-server’ command
deletes the WINS server.
Parameters: address1…address8 are IP addresses, in decimal format.
Default: No WINS server is configured by default.
Command mode: DHCP Address Pool Mode
Usage Guide: This command is used to specify WINS server for the client, up to 8 WINS
server addresses can be configured. The WINS server address assigned first has the
highest priority. Therefore, address 1 has the highest priority, and address 2 the second,
and so on.
18.2.2.17 netbios-node-type
Command: netbios-node-type ｛b-node|h-node|m-node|p-node|<type-number>｝
no netbios-node-type
Function: Set the node type for the specified port; the ‘no netbios-node-type’ command
cancels the setting.
Parameters: b-node stands for broadcasting node, h-node for hybrid node that
broadcasts after point-to-point communication; m-node for hybrid node to communicate in
point-to-point after broadcast; p-node for point-to-point node; <type-number> is the node
type in Hex from 0 to FF.
Default: No client node type is specified by default.
Command mode: DHCP Address Pool Mode
Usage Guide: If client node type is to be specified, it is recommended to set the client
node type to h-node that broadcasts after point-to-point communication.
Example: Set the node type for client of pool 1 to broadcasting node.
Switch(dhcp-1-config)#netbios-node-type b-node
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