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Thread: DHCP Static route

  1. #1
    ¡!Aidemin!¡ Guest

    DHCP Static route

    Hail!

    Is there any way to change the subnet mask configuration on a manually added
    static route on a DHCP server (Windows 2000 ou 2003) to one different than
    /32 (i.e. /16)?

    Thanks!!!

    --
    ¡!Aidemin!¡
    "MBA é o que dá o direito a uma abóbora de ser chamada de pumpkin"


  2. #2
    Ryan Hanisco Guest

    RE: DHCP Static route

    Aidemin,

    I am a bit confused by your question as DHCP doesn't deal with routes. I
    will tell you that DHCP is not tied to any specific subnet mask and can use
    any valid one you give it. (/32 wouldn't work of course...) So, a change to
    any of the valid values that DHCP is pushing out would take effect the next
    time the workstations take a lease.

    If you have workstations that are statically set, the DHCP server will not
    be able to address them as it will only provide addresses and setting to
    machines configured to abide by the DHCP settings.

    I took as guess at what you're really asking, so please feel free to clarify.
    --
    Ryan Hanisco
    MCSE, MCTS: SQL 2005, Project+
    http://www.techsterity.com
    Chicago, IL

    Remember: Marking helpful answers helps everyone find the info they need
    quickly.


    "¡!Aidemin!¡" wrote:

    > Hail!
    >
    > Is there any way to change the subnet mask configuration on a manually added
    > static route on a DHCP server (Windows 2000 ou 2003) to one different than
    > /32 (i.e. /16)?
    >
    > Thanks!!!
    >
    > --
    > ¡!Aidemin!¡
    > "MBA é o que dá o direito a uma abóbora de ser chamada de pumpkin"
    >
    >


  3. #3
    ¡!Aidemin!¡ Guest

    Re: DHCP Static route

    Ryan,
    Thanks for replying.

    If you go to DHCP Options or, on an address reservation on the same DHCP
    Options, tab General, you can go to the option number 033 (Static Route
    Option). On this option you can specify a destination address/router
    address( ie. 172.16.0.0/10.0.0.1).
    The problem is, even though the option is configured and implemented
    successfully, the route specified is auto-configured with a /32 subnet mask
    (255.255.255.255), thus, not reaching a /16 network as per specified in my
    example.
    My question is if there is any way to change this subnet mask to a more
    specific one through registry or any other tool.
    I have noticed that this "issue" occurs on either Windows 2000 Server or
    Server 2003 DHCP Servers (I could not yet perform the test on the Longhorn).

    Again, I thank you guys for the attention.

    "Ryan Hanisco" <RyanHanisco@discussions.microsoft.com> wrote in message
    news:219C6523-DC2F-4A09-B060-C685D5CEEC31@microsoft.com...
    > Aidemin,
    >
    > I am a bit confused by your question as DHCP doesn't deal with routes. I
    > will tell you that DHCP is not tied to any specific subnet mask and can
    > use
    > any valid one you give it. (/32 wouldn't work of course...) So, a change
    > to
    > any of the valid values that DHCP is pushing out would take effect the
    > next
    > time the workstations take a lease.
    >
    > If you have workstations that are statically set, the DHCP server will not
    > be able to address them as it will only provide addresses and setting to
    > machines configured to abide by the DHCP settings.
    >
    > I took as guess at what you're really asking, so please feel free to
    > clarify.
    > --
    > Ryan Hanisco
    > MCSE, MCTS: SQL 2005, Project+
    > http://www.techsterity.com
    > Chicago, IL
    >
    > Remember: Marking helpful answers helps everyone find the info they need
    > quickly.
    >
    >
    > "¡!Aidemin!¡" wrote:
    >
    >> Hail!
    >>
    >> Is there any way to change the subnet mask configuration on a manually
    >> added
    >> static route on a DHCP server (Windows 2000 ou 2003) to one different
    >> than
    >> /32 (i.e. /16)?
    >>
    >> Thanks!!!
    >>
    >> --
    >> ¡!Aidemin!¡
    >> "MBA é o que dá o direito a uma abóbora de ser chamada de pumpkin"
    >>
    >>



  4. #4
    Wil Guest

    Re: DHCP Static route

    Hi, did you fint how to change the mask? I have the same problem hrer...
    Thanks!

    "¡!Aidemin!¡" wrote:

    > Ryan,
    > Thanks for replying.
    >
    > If you go to DHCP Options or, on an address reservation on the same DHCP
    > Options, tab General, you can go to the option number 033 (Static Route
    > Option). On this option you can specify a destination address/router
    > address( ie. 172.16.0.0/10.0.0.1).
    > The problem is, even though the option is configured and implemented
    > successfully, the route specified is auto-configured with a /32 subnet mask
    > (255.255.255.255), thus, not reaching a /16 network as per specified in my
    > example.
    > My question is if there is any way to change this subnet mask to a more
    > specific one through registry or any other tool.
    > I have noticed that this "issue" occurs on either Windows 2000 Server or
    > Server 2003 DHCP Servers (I could not yet perform the test on the Longhorn).
    >
    > Again, I thank you guys for the attention.
    >
    > "Ryan Hanisco" <RyanHanisco@discussions.microsoft.com> wrote in message
    > news:219C6523-DC2F-4A09-B060-C685D5CEEC31@microsoft.com...
    > > Aidemin,
    > >
    > > I am a bit confused by your question as DHCP doesn't deal with routes. I
    > > will tell you that DHCP is not tied to any specific subnet mask and can
    > > use
    > > any valid one you give it. (/32 wouldn't work of course...) So, a change
    > > to
    > > any of the valid values that DHCP is pushing out would take effect the
    > > next
    > > time the workstations take a lease.
    > >
    > > If you have workstations that are statically set, the DHCP server will not
    > > be able to address them as it will only provide addresses and setting to
    > > machines configured to abide by the DHCP settings.
    > >
    > > I took as guess at what you're really asking, so please feel free to
    > > clarify.
    > > --
    > > Ryan Hanisco
    > > MCSE, MCTS: SQL 2005, Project+
    > > http://www.techsterity.com
    > > Chicago, IL
    > >
    > > Remember: Marking helpful answers helps everyone find the info they need
    > > quickly.
    > >
    > >
    > > "¡!Aidemin!¡" wrote:
    > >
    > >> Hail!
    > >>
    > >> Is there any way to change the subnet mask configuration on a manually
    > >> added
    > >> static route on a DHCP server (Windows 2000 ou 2003) to one different
    > >> than
    > >> /32 (i.e. /16)?
    > >>
    > >> Thanks!!!
    > >>
    > >> --
    > >> ¡!Aidemin!¡
    > >> "MBA é o que dá o direito a uma abóbora de ser chamada de pumpkin"
    > >>
    > >>

    >
    >


  5. #5
    Join Date
    Nov 2007
    Location
    Nantes (France)
    Posts
    1

    Windows 2003 DHCP Static Routes Option

    Hi all,

    I had the same problem.
    I fixed it by using Option 249 (the last in the list) through which you can define a specific network mask.
    This option is called <Classless static routes> in the way you must determine the network mask.
    The option 033 corresponds to <Classfull static routes> for which the network mask is deducted according IETF RFQs.
    Working fine...

    Hope this will help.

    Look at this http://www1.ietf.org/mail-archive/we.../msg03719.html to access experts talkings...

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