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Forum Discussion
Some advice, please, on proper setup of static IPs
Hello friends, I have returned to my favorite forum for some good advice about static IPs on my network. I've done some studying and some tests and I understand how to set static IP on my NASs (plur...
Excellent! Thank you StephenB, great results so far. Now please, for my education, I would like to ask/verify:
1. One thing I do when I lose internet, or have massive network problems in general, is this: I power everything down, and start it up from bottom up. Cable modem, router, first set of switches, second set of switches, NASs, license server/render manager, then all the machines. If I have to do this, will these IPs be saved?
2. Can I assume then, this works for every machine/printer I have? So I don't have to worry about it again?
Thank you so much!
best
Ken
wrote:
1. One thing I do when I lose internet, or have massive network problems in general, is this: I power everything down, and start it up from bottom up. Cable modem, router, first set of switches, second set of switches, NASs, license server/render manager, then all the machines. If I have to do this, will these IPs be saved?
In most cases you won't need to reboot the entire network. If you do, then it's best to start with the infrastructure (modem, router, and switches), and then turn on the clients. It's reasonable to turn on servers first, but it likely doesn't matter in practice.
Your "DHCP static IP addresses" should be preserved even if you don't reboot the entire network. You should document them somewhere - if you ever need to factory reset the router, you'll need to re-enter them.
wrote:
2. Can I assume then, this works for every machine/printer I have?
Yes. You won't have to do anything special unless you factory reset the router (or switch to a new one).
Very cool, StephenB. I've got them documented in a spreadsheet and I feel like I have learned what I needed to learn about reserving and Static DHCP IPs.
Just for extra knowledge, if I may, what happens if I have more machines that I would like to reserve IPs for? I seem to have run up against a limit on my router. Are there other, more complicated/less desirable methods? Very curious here.
Again, thanks very much for the shared information. Best Forum Around.
best,
Ken
wrote:
Just for extra knowledge, if I may, what happens if I have more machines that I would like to reserve IPs for? I seem to have run up against a limit on my router. Are there other, more complicated/less desirable methods? Very curious here.
It's probably best to live within the limits of your router on this.
But there is another way. If your router uses 192.168.1.x addresses, then you have IP addresses 192.168.1.2 to 192.168.1.254 available (253 addresses). The DHCP pool in your router has a starting and an ending address - as shown in this screen shot: https://helpcenter.engeniustech.com/hc/en-us/articles/115004072868-Static-IP-addressing-is-recommended-in-most-access-point-deployments-is-it-okay-if-I-set-my-access-point-to-obtain-IP-address-and-reserve-it-on-the-router-setting-
So if you want to assign a static address w/o using the DHCP static table, you
set the ending IP address to a smaller value than .254 That gives you the range of addresses that the router will never assign.
- assign addresses in that address range manually in your devices.
- You'll also need to manually enter the gateway address (your router's LAN address), and the subnet mask (usually 255.255.255.0 on a home network).
- And you'll need to assign a DNS server. With most home routers you can assign the router LAN address (since the most routers act as DNS proxies).
You need to be careful not to use the same address twice, and if you make mistakes in the gateway, subnet mask, or DNS server you generally won't be able to access the internet. FWIW, you'd configure this info on an OS-6 ReadyNAS by going to the network page and then clicking on the settings wheel of the ethernet adapter. Then look on the IPv4 page.
Thanks StephenB, great info and good advice. I'm sure I will live with the limits of this router because it's all working great now so there's no need to mess with it. I can't understand the limit imposed there on the number of Static DHCP IPs in the table; I'll have to look into that. I'm adding some machines to my farm this year, so I'll be wanting to have everybody with a reserved IP. If I run up against that limit I'll be thinking of upgrading my router. Please feel free to make a recommendation for a router that would suit my needs and as always Thank You!!
best
Ken
wrote:
Please feel free to make a recommendation for a router that would suit my needs
We'd probably need more information on the internet speed, wifi coverage area, and number of devices to give a good recomendation. There is a home router section in the forum that is very active.
That said, I have 32 devices with reserved addresses on my Orbi RBR40 setup. That's not the limit, I'm not sure what the limit is.
Thank you StephenB!
best
Ken
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