Brother HL 4. 07. CDW Printer Keeps Going Offline Solved. The answers provided in this post may fix one underlying problem only to create another. Most routers use dhcp to assign addresses to devices. DHCP has a whole process for devices to broadcast a request and routers to recognize that broadcast reqeust and broadcast a reply that results in the requesting addressing being assigned a unique address. The router then keeps track of which addresses it handed out and thus never hands out the same address to two different devices. To customers down on waist DHCP requires a periodic renewal of the address. So along with the address the router assigns an expiration. This tells the computer when to ask the router for a new address and tells the router when it may assign this address to another device. Most routers go the extra mile and do not release the address to a new device unless they show all addresses had been assigned. Weve suggested running a Game of Thrones fantasy draft in the past, but Scott Meslow at GQ suggests something a bit simpler a death pool. The premise is simple. Software to Enhance your Tablet PC UMPC, Netbook and Mobile Computing Experience. Only then will the router roll around and reuse expired addresses. It also tries its best to match devices renewals up with their originally assigned address to prevent complications caused by your address changing. ClaimBitcoin is the Bitcoin generator that everyone has been waiting for. Currently it is the only working Bitcoin generator out there, and at the moment it can. NOTE HOWEVER DHCP is not ever required to renew the same address to the same device. It is a given when using dhcp that your address is a floating address and could change at any time. The problem is that nearly every router forgets its assignment memory whenever the router is restarted. This causes it to start reassigning at the beginning of it address pool. This is the cause of the first problem, which was properly thwarted in this post. ANY server needs an address that clients can find. CKHO0AKQB8/VPkIhd0aZjI/AAAAAAAAR80/L7hQQm2h9x8/s1600/Game%2BBilliard%2B-downloadgamegratis18.com-1.jpg' alt='Pool Pc Offline' title='Pool Pc Offline' />A network printer is a print server and thus you computer needs to find it. It can do this 1 of two ways, name resolution and ip address. Name resolution is any of of a few technologies which change Friendly names into IP adresses DNS, WINS, NETBIOS. All of these require a dedicated server to host a database that keeps track of names and their associated addresses, which are either typed in by an admin or coupled with a dhcp to know which names were assigned to which ip addresses. All of these except Net. BIOS. Most small networks are not worthy of DNS servers or WINS servers or their administration. NETBIOS answers the call with a system that automatically chooses a device to keep track of the other devices names and addresses on a network segment. The problems are that NETBIOS takes time to collect the needed info by listening to the network, it is a Microsoft technology with limited adoption outside windows, and isnt always thorough. Brother printers and many other SMBResidential print servers assume that name resolution will compensate for the fact that dhcp may change your printers print servers address at any time. NETBIOS does not roll with ip address changes very quickly and your computer can easily end up loosing track of where to send you print jobs. The solution is to ditch DHCP on all server devices including print servers. Huawei E353 Windows Vista Drivers. By choosing an address and never letting dhcp or anyone else change it, then your computer can depend on where it needs to send prinot jobs. So the easiest solution is to look on the printer or in your router for the printers current address and just switch the printer to static and place the same address information in it. WRONG This is the cause of your second problem. Without going into too much math and IP theory, for the most part in this application, each network block has 2. Routers use special network ip blocks of numbers that were kept off the Internet to prevent you from trying to communicate with Google and instead getting your printers config Web page. These are a handful of these reserved network blocks but by far most routers areally configured for 1. The x represents a number from 0 to 2. The y represents any of 2. The x you usually do not have to worry about because most router manufacturers choose a default one for you. Most choose x to be somewhere between 0 and 5. For our purposes we are going to choose 1. So our router will manage traffic for the network 1. The y is what dhcp and static addresses is concerned with. Inside every router you will find a set of dhcp options which say a variation of the following DHCP Start address. DHCP lease duration. When using dhcp we usually cut our 2. The ones managed by dhcp and the ones that are free to assign statically. On fancy corporate dhcp servers we define a pool with a start and end address and a whole slew of options and ever address between those addresses is free for the dhcp server to assign to devices and keep track of. It is no different for SMBResidential only we define a start address only. The rest of the addresses above that are considered dhcp owned addresses. YOU SHOULD NOT STATICALLY ASSIGN ADDRESSES IN THIS RANGE. For our example I will set the start address to 1. This means that my router now manages automatic address assignments for 1. If I want my printer to have a permanent ip address, I can either go into my routers dhcp options and make a dhcp reservation, go into dhcp and make a static exclusion or simple pick any unused address from outside the dhcp pool. Ecover Creator Pro on this page. The first option dhip reservation is fast becoming one not included in residential but basically tells the dhcp portion of the router to always assign the chosen dhcp address to the same device. This option survives reboots and is a quite reliable way to assign something that is as close to a static address as possible. You would leave the printer or other device set as dhcp and it would always get the same address and you could use that address in every client computers print driver. However like I said this is not always available. The second option static exclusion is never available on anything but the nicest dhcp servers. It basically tells the router to never use one or its addresses thus poking a whole in the dhcp address pool and making that address available for static assignment. With this option the dhcp would be configured to exclude one or more of the 1. The device would be set to static and the excluded ip address would be configured manually on the device. The 3rd, last, best and always available option simply involves picking an address outside of the dhcp pool. You must pick an address that has never been used. In our example we would pick an address between 1 and 1. I would never pick 1 and avoid picking 5. SMBResidential routers and wireless access points. You must keep track of these as it can be difficult to figure out what addresses have already been used. Running a ping on an address you are thinking of using and making sure nothing replies is a good quick check but may not always tell you when an address is in use by a powered off device. I am going to assume that this is a simple network with a router which is always static on address 1. I will just decide to put my printer on 1. I will then go to my printer, set it to static and type in my new ip address, subnet mask 2. If you want advanced features to work you may also want to put in dns server settings from your is or router. Hint run ipconfig all on any of your dhcp computers and find the dns server entries and put them into your printer. Last go around to each computer, go into printers and devices and right click and select printer properties. On the ports tab create a new port and give it the new ip address as its address.