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DHCP Server
277 Cisco Small Business 300 Series Managed Switch Administration Guide
16
The following options can be set with the generic DHCP option CLI command:
• Integer type: 2, 13, 22, 26, 24, 25, 35, 38
• ASCII type: 14, 17, 18, 40, 43, 47, 64
• IP Address type: 16, 28, 32
• IP List type: 5, 7-11, 21, 33, 41, 42, 45, 48, 49, 65, 69-76
The following table defines DHCP options which are supported by the DHCPv4
server, but cannot be set in the GUI or CLI:
51 Extension IP Address Lease Time
44 NetBIOS NetBIOS over TCP/IP Name Server Option
netbios-name-server
46 NetBIOS NetBIOS over TCP/IP Node Type Option
netbios-node-type
Option # Option Name Description
50 Requested IP
Address
The option is created by the DHCP client during
renew
53 DHCP Message
Type
The option specifies the DHCP message type
(value - message type):
• 1 - DHCPDISCOVER
• 2 - DHCPOFFER
• 3 - DHCPREQUEST
• 4 - DHCPDECLINE
• 5 - DHCPACK
• 6 - DHCPNAK
• 7 - DHCPRELEASE
• 8 - DHCPINFORM
54 Server Identifier This option, created by the DHCP client, is the
IP address of the selected server.