Tag - Microsoft

What servers support secondary subnet numbers?

These are not complvce lists) The following servers can handle dynamic allocation on secondary subnet numbers:

  • IPTrack version 2.0
  • ISC
  • JOIN
  • SGI’s DHCP Server under IRIX 6.2
  • Cisco (previously TGV)
  • NetID
  • Microsoft Windows NT 4.0 (since service pack 2)
  • Sonic
  • ipLease
  • IBM Warp Server Version 4

The following can serve manually allocated addresses on secondary subnet numbers:

  • IPTrack version 2.0
  • ISC
  • JOIN

The following cannot support secondary subnet numbers:

  • Microsoft Windows NT 3.51 and 4.0 (through RC1)
  • WIDE
  • Sonic DHCP Server


Which implementations support or require the broadcast flag

The broadcast flag is an optional element of DHCP, but a client which sets it works only with a server or relay that supports it.

  • Client

Microsoft Windows NT

DHCP client support added with version 3.5 sets the broadcast flag. Version 3.51 and later no longer set it. The exception is in the remote access support: it sets the flag when it uses DHCP to acquire addresses to hand out to its PPP clients.

tcp/ip-32 for Microsoft Windows for Workgroups (WFW)

Version 3.11a sets it, but version 3.11B doesn’t.

Microsoft Windows 95

Does not set the broadcast flag.


What are the DHCP plans of major client-software vendors?

Apple MacOS

MacTCP’s successor, Open Transport, supports DHCP. Open Transport 1.1 ships with System 7.5 Update 2.0 (which updates MacOS to version 7.5.3, released March 11, 1996) and supports any 68030, 68040, or PowerPC Macintosh. A shrink wrap version of Open Transport is planned.

Microsoft Windows95

supports it and does not support BOOTP. I heard a rumor that BOOTP support will be added.

Novell LAN Workplace for DOS

For supporting DOS/Windows 3.1, Client32 for DOS/Windows, due in June 1996, will provide the TCP/IP stack functions and will support DHCP and BOOTP. For Windows 95 and Windows NT, the native stack will be used so that DHCP is supported.

IBM OS/2 Warp

supports it.


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