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enabling dhcp

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Name: mahaali
Date: July 20, 2009 at 03:29:34 Pacific
OS: windows server 2003
Product: Microsoft Isa server v2004 standard edition english 1-cpu open business 6.0
Subcategory: General
Comment:

hello all,,i have installed ms isa server 2004 and it was working fine with web proxy clients though static ips,,now i want dynamically assigned ips on client side.i have started dhcp service bt the client is unable to fetch ip address from server,,i dont no what to do.



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Response Number 1
Name: guapo
Date: July 20, 2009 at 17:33:38 Pacific
Reply:

I never worked with ISA but why would you want to use DHCP if all is well with static IPs? I never understood why the world loves DHCP so much.

How do you know when a politician is lying? His mouth is moving.


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Response Number 2
Name: mahaali
Date: July 24, 2009 at 23:21:29 Pacific
Reply:

its project requirement,,i cant help it,,one thing more i have used dhcp with web proxy and all worked well now i dont know what is the problem with isa,,i have defined firewall policies to allow all outbound traffic.still no progress


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Response Number 3
Name: guapo
Date: July 25, 2009 at 06:46:03 Pacific
Reply:

It sounds like that there is still a policy blocking it. I hope you don't have Norton running or something similar.

How do you know when a politician is lying? His mouth is moving.


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Response Number 4
Name: mahaali
Date: July 28, 2009 at 22:29:17 Pacific
Reply:

noo i have allowed all outbound traffic from internal to external and local host. there is no point of policy blocking,, i think i am missing some thing in dhcp installtion nd wat is dat i dont noo


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Response Number 5
Name: guapo
Date: July 29, 2009 at 03:33:24 Pacific
Reply:

Run services.msc
Is DHCP enabled & started?

How do you know when a politician is lying? His mouth is moving.


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Response Number 6
Name: wanderer
Date: July 29, 2009 at 08:53:40 Pacific
Reply:

mahaali
Are the clients set to get a dhcp address?
When you say outbound are you trying to assign ips to people on the internet?
what is the "client side"? Wan or Lan?


"I never understood why the world loves DHCP so much."

#1. it scales to large networks
#2 centralizes ip administration
#3 allows you to update/change the ip plan dynamically
#4 allows you to do static ip assignments with ip reservations
#5 dynamically updates MS DNS

Why workstation static ips don't scale.

#1 static ip assignments require you to document and update that document any time a change is made. Labor intensive.
#2 does not scale with larger amounts of workstations
#3 labor intensive to then change to dhcp

Hopefully this will help your understanding.


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Response Number 7
Name: guapo
Date: July 29, 2009 at 09:36:42 Pacific
Reply:

Wanderer, most of the time, in this forum, we are talking about home networks which may consist of a few PCs. I never suggested static IPs for large networks.

How do you know when a politician is lying? His mouth is moving.


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Response Number 8
Name: wanderer
Date: July 29, 2009 at 10:48:59 Pacific
Reply:

Then add to the list
#6 easy for unskilled network users to setup and use

:-)

There are a LOT of large network questions here also dealing with domains, multiple site connections etc.


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Response Number 9
Name: mahaali
Date: July 30, 2009 at 03:11:59 Pacific
Reply:

i am trying to assign dynamic ips to internal network that comes through isa,both isa and domain controller exists on same pc.this pc has to nics,,one that is attatched to router and other to switch that manages internal network.i think now u can understand what i want to do


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Response Number 10
Name: guapo
Date: July 30, 2009 at 04:48:57 Pacific
Reply:

You didn't mention anything about the machine having 2 NICs, in your first post.
Windows has a hard time with dual NICs.

How do you know when a politician is lying? His mouth is moving.


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Response Number 11
Name: wanderer
Date: July 30, 2009 at 08:15:10 Pacific
Reply:

dhcp should only be associated with the lan nic not the wan nic

Let's try these questions again
Are the clients set to get a dhcp address?
When you say outbound are you trying to assign ips to people on the internet?
what is the "client side"? Wan or Lan?


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Response Number 12
Name: mahaali
Date: July 30, 2009 at 13:40:30 Pacific
Reply:

yes the clients are set to get dynamic ips
i am trying to assign ips to clients present on internal
network(LAN)
off course the client side is LAN


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Response Number 13
Name: mahaali
Date: July 30, 2009 at 13:42:56 Pacific
Reply:

Guapo

The machine is simple dell P4.2.8 processor,,having two intel
NICS with 1 Gb RAM


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Response Number 14
Name: wanderer
Date: July 30, 2009 at 13:44:30 Pacific
Reply:

check the nic bindings under dhcp
the public interface should be disabled [not checked]


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Response Number 15
Name: mahaali
Date: August 3, 2009 at 00:28:49 Pacific
Reply:

what do you meab ny public interface,,same computer with same settings working well with win proxy,,dhcp was working there,,the problem is with isa,,though all traffic is allowed,,cant say a word,,it took me a month and still no progress


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Response Number 16
Name: wanderer
Date: August 3, 2009 at 09:36:18 Pacific
Reply:

Public is the wan interface. The nic facing the internet. Make sure it is unchecked in dhcp console.

first problem is ISA is a edge security software. It is recommended it not be installed on a dns/dhcp/AD server but on a standalone.

is your issue with dhcp or with isa?


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Response Number 17
Name: mahaali
Date: August 22, 2009 at 03:07:35 Pacific
Reply:

i think it is with isa because dhcp was working fine with winproxy


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