Windows 2003 RIS


G

Guest

Hell friends:

I have setup a RIS on a windows 2003 member server, but I the clients on
other subnets are not able to communicate with the server. If a client boots
up from the same subnet as that of the RIS server it works fine otherwise
doesn't. Any ideas would be greatly appreciated.

Chow.
 
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H

Herb Martin

Hell friends:

I have setup a RIS on a windows 2003 member server, but I the clients on
other subnets are not able to communicate with the server. If a client boots
up from the same subnet as that of the RIS server it works fine otherwise
doesn't. Any ideas would be greatly appreciated.
Likely not a RIS problem -- most probably a name resolution
problem.

Both DNS and NetBIOS name resolution might have worked
so likely both are misconfigured.

First NetBIOS:

The key here is that you can connect from SAME subnet
but not from another subnet -- this implies that NetBIOS
is broadcasting locally but that there is no WINS Server
OR the machines are not all registered with the WINS
server.

If you have more than one subnet you really need a WINS
server -- if you have a WINS server then all machines (even
'servers') must be WINS Clients on their NIC->IP settings.

If you have more than one WINS Server they must replicate.

Second is DNS resolution -- you can get by without internal
DNS servers IF you do not have Active Directory but if you
do then again all machines need to be DNS clients of ONLY
the same internal DNS server (set).

Internet resolution is usually handled by the internal DNS
server (set) forwarding to an externally resolving DNS server,
usually the firewall/DMZ DNS or your ISP DNS server.
 
G

Guest

Hi you need DNS and DHCP for RIS to work, since you are in a different subnet
you will also need a dhcp relay agent to respond the the computer you wish to
have talk to ris.

--
Jay Ferron
ADSI, CISM, CISSP, MCDBA, MCSE, MCT, NSA - IAM



Herb Martin said:
Hell friends:

I have setup a RIS on a windows 2003 member server, but I the clients on
other subnets are not able to communicate with the server. If a client boots
up from the same subnet as that of the RIS server it works fine otherwise
doesn't. Any ideas would be greatly appreciated.
Likely not a RIS problem -- most probably a name resolution
problem.

Both DNS and NetBIOS name resolution might have worked
so likely both are misconfigured.

First NetBIOS:

The key here is that you can connect from SAME subnet
but not from another subnet -- this implies that NetBIOS
is broadcasting locally but that there is no WINS Server
OR the machines are not all registered with the WINS
server.

If you have more than one subnet you really need a WINS
server -- if you have a WINS server then all machines (even
'servers') must be WINS Clients on their NIC->IP settings.

If you have more than one WINS Server they must replicate.

Second is DNS resolution -- you can get by without internal
DNS servers IF you do not have Active Directory but if you
do then again all machines need to be DNS clients of ONLY
the same internal DNS server (set).

Internet resolution is usually handled by the internal DNS
server (set) forwarding to an externally resolving DNS server,
usually the firewall/DMZ DNS or your ISP DNS server.


--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]
 
H

Herb Martin

jtferron said:
Hi you need DNS and DHCP for RIS to work, since you are in a different subnet
you will also need a dhcp relay agent to respond the the computer you wish to
have talk to ris.
I can't think why I didn't mention DHCP in addition
to DNS.

If you have a DHCP server on the net that works then
make sure you have a way for the "other" clients to
get their broadcasts through to the server: Bootp
forwarding on the router OR a relay agent on the
net without a DHCP server.

You also must have a "scope" on the DHCP server
with available addresses that corresponds to each
subnet they serve.

Your router may call the "bootp forwarding" something
else (DNS Helper, IP helper, RFC 1542 compliance...)
 
L

Leif Pedersen [MVP]

Hi,

In addition to the other answer you must enable bootp broadcast thru the
routers since connecting to a RIS server is a DHCP broadcast.

Leif
PS: This is an Exchange 200x news group
 
H

Herb Martin

Leif Pedersen said:
Hi,

In addition to the other answer you must enable bootp broadcast thru the
routers since connecting to a RIS server is a DHCP broadcast.
Is that literally true?

Cannot a relay agent suffice?

Cannot the DHCP instruct the client where to find the
RIS once the client has its IP?
 
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L

Leif Pedersen [MVP]

Hi,

A relay agent should also work.

Leif

Herb Martin said:
Is that literally true?

Cannot a relay agent suffice?

Cannot the DHCP instruct the client where to find the
RIS once the client has its IP?
 
H

Herb Martin

Leif Pedersen said:
Hi,

A relay agent should also work.
What about the referral of the client from the DHCP server
to the RIS server?
 
H

Herb Martin

Leif Pedersen said:
[The fellow who wrote that article seems a bit confused
(or perhaps muddled is better word) about the difference
between BootP FORWARDING and DHCP RELAY Agents.]

The key is that the original broadcasts have to be transmitted
to the DHCP (and RIS server) on across the router -- this does
not necessarily mean that the router has to allow the broadcasts
nor that the router in particular needs to be a "relay agant".

There is a good article referenced in that first article which
gives the exact sequence of DHCP Discover, Offer, Response
etc to and from both the DHCP and the RIS server:

Description of PXE Interaction Among PXE Client, DHCP, and RIS Server
http://support.microsoft.com/kb/244036/EN-US/
 
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C

Cody

Thanks for your help.
I am about make changes in DHCP options
So I just type in the IP address of RIS server for option #66 ?
what about option #67 (bootfile Name)?

Thanks again
 

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