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Hi all, I'm in the process of replacing my home router which has a private ip address of 10.10.1.1.
I'd like to run both routers in parallel for a while until I'm happy with the new kit.
I've connected the new router to the existing one and given it an ip address of 10.10.2.1. As an incremental migration stage I've configured one of my devices to connect to the new router ( which it does ) but the device cannot see / ping devices on the existing subnet. If I take the old router out of the equation and connect all devices to the new router all obviously works perfectly but I'd like to run both in parallel until I'm happy with the new kit. Suggestions ?
"We can't stop here - this is bat country" - Hunter S Thompson - RIP
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Keeping it simple? Keep the old router next to the new one but used the new one. If relevant, load test it. If satisfactory you can move the old router a few feet further away - maybe unplug it.
This makes your test clean and sure (as sure as you can be with electronics these days . . . keep the old one as a ready-backup!).
| Ravings en masse^ |
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| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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You can try creating a bridge. If you have two adapters in a connected PC you can connect one to each router and then bridge them. Some routers will allow bridging if you connect the other router to it but it isn't always available these days.
- I would love to change the world, but they won’t give me the source code.
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Forogar wrote: Some routers will allow bridging ... but it isn't always available these days.
I've seen that with some newer routers, the reason is not any lack of the equipment's capabilities, rather dumbed down settings that dont allow bridge mode setup.
I somehow did get a newer ASUS [without any bridge mode settings] to work (by turning off it's DHCP server setting) except it refused to accept a subnet mask different to factory default (in any mode) ...despite a setting for that being there.
- result: it does bridge (fully works), but that router itself is invisible on the network.
Equipment is getting better, it's the settings that are getting worse, waaaay worse.
-- happening everywhere, not just routers.
after many otherwise intelligent sounding suggestions that achieved nothing the nice folks at Technet said the only solution was to low level format my hard disk then reinstall my signature. Sadly, this still didn't fix the issue!
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If DHCP activated... which pool are you giving in each router?
Are you using only one router as default gateway? or using each router in each subnet as such?
Which subnet mask are you using in the devices?
If the default 255.255.255.0 (/24), then you won't be able to see the devices on the second net. You should change to at least 255.255.63.0 (22), but I would just go for the easiest solution and use 255.255.0.0 (/16)
Can a device in the first subnet see the device on the second one?
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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Subnetting is the first thing that came to my mind. Once the subnet is fully accessible, what determines the route is the gateway address.
"Five fruits and vegetables a day? What a joke!
Personally, after the third watermelon, I'm full."
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This.
I use static IPs, and have grouped my systems so for example:
- Everything that's considered network gear is all under 192.168.1.x
- Devices such as my Xbox, printers, tablets and phones are under 192.168.50.x
- Physical machines are under 192.168.100.x
- Work-related VMs are under 192.168.250.x
- Other VMs are under 192.168.200.x
- ...you get the idea
The only way these systems can all talk to each other is if the subnet is set to 255.255.0.0
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I get the idea, but I can not see right now, why would you then need the 10.10.x.x adresses for the routers.
I thought you were subnetting in class B ranges, not in class C.
The device you connect in the second router and it works... can it be seen by the other devices? Or the "blockade" is in both directions?
Gateway conflict?
Routing tables?
Firewall in the router?
Blacklist / Whitelist active?
Connectivity problems are usually just a matter of a click or a number, but until you find where that click has to be made you might get some gray hair (or loose it if you pull too hard)... 
Forget it... I just realized that you are not the OP
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
modified 6-Mar-20 15:20pm.
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I think you have hit the nail on the head thanks
"We can't stop here - this is bat country" - Hunter S Thompson - RIP
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You are welcome 
Glad if it helped
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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Just give the devices IPs in both networks.
Didn't I already walk through this, the other day, or was it at work?
> Go to the Network & Sharing centre
> Click Change adaptor settings
> Double-click your network adaptor
> Click the Properties button
> Double-click the IPv4 Protocol entry
> Click the Advanced button
> "Add" an IP address in the range of the other router.
I wanna be a eunuchs developer! Pass me a bread knife!
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I should of said most of the devices are Linux but thanks anyway
"We can't stop here - this is bat country" - Hunter S Thompson - RIP
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pkfox wrote: should of said
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Devs (TV Mini-Series 2020– ) - IMDb[^]
If you enjoy cringing at actors pretending to be devs, hollywood-style brainless scripts of "Very Intelligent Discussions" (read: buzzwords interspersed with drivel) between technical specialists, and ridiculously poor impersonations of Michael Mann's directing style, this is the show for you!
I gave up after 14 minutes -- a little while after the presentation (because all people who have real jobs do all day, every day, is prepare for and give presentations that their jobs depend on, don't they?)
I keep hoping someone will do it right, one day, but I don't see it on the horizon.
I wanna be a eunuchs developer! Pass me a bread knife!
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They just don't understand . . . . or wish to hide from the public . . . . that we are, in reality, like spiders in a web with the powers to ruin their insignificant lives and bring corporations to their knees if we happen to be having a bad day. Or the pizza is delivered cold and late. All Seeing. All knowing.
Maybe it's best kept quite - until we decide to pounce.
| Ravings en masse^ |
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| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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Reading the synopsis, dev is secondary to the plot, which is that a company has a secret division that could be behind someone's disappearance. It doesn't say what the company does, but it might as well be a weapons manufacturer, large bank, or oil company.
To do it properly would mean having a scriptwriter work with someone familiar with dev, and them coming up with a plot line that requires dev. For example, hacking into the COMEX trading system to expose the Fed's activities.
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Greg Utas wrote: a company has a secret division that could be behind someone's disappearance. It doesn't say what the company does, but it might as well be a weapons manufacturer, large bank, or oil company.
That sounds so sinister! Most certainly it's a company involved in organic produce distribution.
| Ravings en masse^ |
|---|
| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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Yes, produce sold at organic prices when it's actually GMO! But that would be biochemistry, not dev.
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W∴ Balboos, GHB wrote: organic
Isn't that Latin for "grown in pig sh*t" ?
If you can't laugh at yourself - ask me and I will do it for you.
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DRHuff wrote: Isn't that Latin for "grown in pig sh*t" ?
No 'bacon' is Latin for pig sh*t
| Ravings en masse^ |
|---|
| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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Quote: hacking into the COMEX trading system
A young "dev" with tattoos and a nose ring types frantically at the keyboard while old C listings flow by on the green text terminal. After a few seconds the dev stops, exclaims, "I'm in!" and high-fives anyone nearby. That's the Hollywood way of "hacking".
- I would love to change the world, but they won’t give me the source code.
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 Done that way because in real life it happens at a glacial pace, which Hollywood can't abide.
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Well, the first show starts with an in-depth discussion of security protocols over breakfast -- which would have had me laughing, if it hadn't given me such horrendous head pains.
It then moved on to an "I gotta get this presentation on new computerisated technology that I designed and built right, if I want to get the job!" scene, which, as we all know, is precisely how things work in the IT field, because "everything is in the pitch" isn't just the credo of hollywood, oh no.
Worst, though, is the low-mental-acuity, artless impersonation of Michael Mann's directorial style. If that kind of thing isn't done right, the result is just tedious, annoying, and embarrassing to watch.
Better to watch Mann's lowest-rated movie than this noisy drivel.
Hell, I'd rather sit through Plan 9[^] again!
I wanna be a eunuchs developer! Pass me a bread knife!
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Greg Utas wrote: would mean having a scriptwriter work with someone familiar with dev
Yeah - where on Earth would they find one?
FWIW I would donate my time to any movie writer who needs help understanding developers. I even have a PowerPoint presentation ready to go if they need me to present to their team...
It's like we're a completely foreign organism that no one on this planet understands. Having said that, I bet you doctors, lawyers, milkmen, firemen and teachers all say exactly the same thing when they see themselves portrayed on the black mirror.
cheers
Chris Maunder
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