DHCP Server Setup, Scopes and More

**kcnychief** · August 3rd, 2005

So I was doing more reading for my next test, 70-291, and was really impressed of the power that a DHCP server can truly have. I have always understood DHCP, but now have a more thorough understanding of client/server roles, as well as APIPA.

I think the thing that impressed me the most, was the ability to control settings beyond just the client IP address. For example, you can setup the router, DNS Server and much more. Those are the two I used in my mock-setup, which made it much easier.

Referring to an earlier thread I had posted, my fix for the problem was configuring each client statically so I could point them to the proper DNS Server (the DC), rather than the ISP. Doing this, in combination with enabling NETBIOS over TCP/IP, I have alleviated my speed issues.

I haven't tested the DHCP Server settings in the environment I had this speed issue yet, but I would imagine this would make my life MUCH easier. In the current scenario, I have to manually configure each client, and adding new machines involves more administrative overhead.

Also, after learning that NETBIOS over TCP/IP really shouldn't be implemented if there aren't any "legacy" clients (I know that is pre-XP, but for this discussion I am using Pre-2K), I think I might disable it.

I will be interested to see if the DHCP Server Settings will alleviate my speed problems, and hope I can ditch NETBIOS over TCP/IP.

I know I babbled, and went off on tangents, but it's a habit

Thoughts anyone?

**Geffy** · August 3rd, 2005

Well, the DHCP is supposed to setup the network settings for the host, so having power over gateway router and dns server settings for the host makes sense does it not?

I have isc-dhcpd and tinydns running on a FreeBSD box on my network that I use for internal lan dns and dhcp configuration. The most useful feature is that I can tell the DHCP server to assign the host with the MAC address of X the ip address which maps to the domain name of x.y.lan

this is mainly useful because I only have to keep one list of hostnames to ip addresses up to date.

**Admiral Michael** · August 4th, 2005

The DHCP settings are great on a Server OS. Routers dont come close to them. DHCP is suppose to help make setup easiey kcnychief. LOL

**kcnychief** · August 4th, 2005

Originally Posted by Geffy

Well, the DHCP is supposed to setup the network settings for the host, so having power over gateway router and dns server settings for the host makes sense does it not?

I have isc-dhcpd and tinydns running on a FreeBSD box on my network that I use for internal lan dns and dhcp configuration. The most useful feature is that I can tell the DHCP server to assign the host with the MAC address of X the ip address which maps to the domain name of x.y.lan

this is mainly useful because I only have to keep one list of hostnames to ip addresses up to date.

Yes, makes total sense. If I understand what you say in paragraph 2, that is a IP Reservation which is also a great feature. There were reasons that I needed to uses static IP's for a few occassions, and I don't any longer

**Geffy** · August 4th, 2005

yep, I use the Mac addresses to 'hardwire' the machines to their ip addresses and therefore their domain names but also means that I dont have to go around setting static ip addresses on a bunch of hosts.

I also have a dynamic range which also has dns addresses allocated to them

**Admiral Michael** · August 4th, 2005

I use IP reservations on my home machines, justs have a "dymanic" so to speak.

August 3rd, 2005	Top \| #1
kcnychief █▄█ ▀█▄ █ Joined: April 2005 Location: Massachusetts Posts: 16,949 Reputation: 4941 Power: 302	DHCP Server Setup, Scopes and More So I was doing more reading for my next test, 70-291, and was really impressed of the power that a DHCP server can truly have. I have always understood DHCP, but now have a more thorough understanding of client/server roles, as well as APIPA. I think the thing that impressed me the most, was the ability to control settings beyond just the client IP address. For example, you can setup the router, DNS Server and much more. Those are the two I used in my mock-setup, which made it much easier. Referring to an earlier thread I had posted, my fix for the problem was configuring each client statically so I could point them to the proper DNS Server (the DC), rather than the ISP. Doing this, in combination with enabling NETBIOS over TCP/IP, I have alleviated my speed issues. I haven't tested the DHCP Server settings in the environment I had this speed issue yet, but I would imagine this would make my life MUCH easier. In the current scenario, I have to manually configure each client, and adding new machines involves more administrative overhead. Also, after learning that NETBIOS over TCP/IP really shouldn't be implemented if there aren't any "legacy" clients (I know that is pre-XP, but for this discussion I am using Pre-2K), I think I might disable it. I will be interested to see if the DHCP Server Settings will alleviate my speed problems, and hope I can ditch NETBIOS over TCP/IP. I know I babbled, and went off on tangents, but it's a habit Thoughts anyone? XBOX Live Gamertag: kcnychief

August 3rd, 2005	Top \| #2
Geffy OSNN Veteran Addict Joined: March 2002 Location: United Kingdom Posts: 7,805 Reputation: 1490 Power: 213	Re: DHCP Server Setup, Scopes and More Well, the DHCP is supposed to setup the network settings for the host, so having power over gateway router and dns server settings for the host makes sense does it not? I have isc-dhcpd and tinydns running on a FreeBSD box on my network that I use for internal lan dns and dhcp configuration. The most useful feature is that I can tell the DHCP server to assign the host with the MAC address of X the ip address which maps to the domain name of x.y.lan this is mainly useful because I only have to keep one list of hostnames to ip addresses up to date.  • blog • tumblog • lastfm • flickr • #rubyonrails • @twitter "I could be replaced with a very small shell script"

August 4th, 2005	Top \| #3
Admiral Michael Michaelsoft Systems CEO Joined: February 2003 Location: Hamilton, Ontario Canada Earth Posts: 3,125 Blog Entries: 8 Reputation: 2216 Power: 163	Re: DHCP Server Setup, Scopes and More The DHCP settings are great on a Server OS. Routers dont come close to them. DHCP is suppose to help make setup easiey kcnychief. LOL Apple MacBook Pro Intel Quad-Core i7 2GHz \| Corsair 8GB 1333MHz DDR3 Memory \| WD 750GB 7200RPM Black Edition SATA Hard Drive \| Intel HD Graphics 3000/AMD Radeon HD 6490M 256MB GDDR5 \| 15.4" LED backlit glossy screen @ 1440x900 \| Dual Band Airport Wireless/Bluetooth \| Gigabit Ethernet \| Thunderbolt I/O \| Built-in Webcam \| Backlit Keyboard \| Firewire 800 \| DVDRW \| OS X Lion 10.7.1 My Site \| My DVD Collection \| Your Chevrolet Guy

August 4th, 2005	Top \| #4
kcnychief █▄█ ▀█▄ █ Joined: April 2005 Location: Massachusetts Posts: 16,949 Reputation: 4941 Power: 302	Re: DHCP Server Setup, Scopes and More Originally Posted by Geffy Well, the DHCP is supposed to setup the network settings for the host, so having power over gateway router and dns server settings for the host makes sense does it not? I have isc-dhcpd and tinydns running on a FreeBSD box on my network that I use for internal lan dns and dhcp configuration. The most useful feature is that I can tell the DHCP server to assign the host with the MAC address of X the ip address which maps to the domain name of x.y.lan this is mainly useful because I only have to keep one list of hostnames to ip addresses up to date. Yes, makes total sense. If I understand what you say in paragraph 2, that is a IP Reservation which is also a great feature. There were reasons that I needed to uses static IP's for a few occassions, and I don't any longer XBOX Live Gamertag: kcnychief

August 4th, 2005	Top \| #5
Geffy OSNN Veteran Addict Joined: March 2002 Location: United Kingdom Posts: 7,805 Reputation: 1490 Power: 213	Re: DHCP Server Setup, Scopes and More yep, I use the Mac addresses to 'hardwire' the machines to their ip addresses and therefore their domain names but also means that I dont have to go around setting static ip addresses on a bunch of hosts. I also have a dynamic range which also has dns addresses allocated to them  • blog • tumblog • lastfm • flickr • #rubyonrails • @twitter "I could be replaced with a very small shell script"

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August 4th, 2005	Top \| #6
Admiral Michael Michaelsoft Systems CEO Joined: February 2003 Location: Hamilton, Ontario Canada Earth Posts: 3,125 Blog Entries: 8 Reputation: 2216 Power: 163	Re: DHCP Server Setup, Scopes and More I use IP reservations on my home machines, justs have a "dymanic" so to speak. Apple MacBook Pro Intel Quad-Core i7 2GHz \| Corsair 8GB 1333MHz DDR3 Memory \| WD 750GB 7200RPM Black Edition SATA Hard Drive \| Intel HD Graphics 3000/AMD Radeon HD 6490M 256MB GDDR5 \| 15.4" LED backlit glossy screen @ 1440x900 \| Dual Band Airport Wireless/Bluetooth \| Gigabit Ethernet \| Thunderbolt I/O \| Built-in Webcam \| Backlit Keyboard \| Firewire 800 \| DVDRW \| OS X Lion 10.7.1 My Site \| My DVD Collection \| Your Chevrolet Guy

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