How can I fix my printer connectivity issue with 2 networks on my laptop?

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Discussion Overview

The discussion revolves around resolving a printer connectivity issue on a laptop that is connected to two different networks: a wired test network and a wireless main network. Participants explore the implications of having multiple network routes and seek solutions to enable seamless printing without needing to disconnect the Ethernet cable.

Discussion Character

  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant describes their network setup, detailing the wired connection to a test network and a wireless connection to a main network, highlighting the issue of printer accessibility.
  • Another participant references an article that discusses connecting to two networks simultaneously, suggesting it may provide relevant insights.
  • A different participant notes that issues may arise if the private network has a default gateway or DNS set, suggesting that these values should be cleared to resolve conflicts.
  • One participant argues that having two different routes to the printer is not compliant with IP standards, explaining that this leads to confusion in the network and that the issue is not solely a Windows problem.

Areas of Agreement / Disagreement

Participants express differing views on the nature of the problem, with some attributing the issue to Windows' handling of network routes and others pointing to the network configuration itself as the source of confusion. No consensus is reached on a definitive solution.

Contextual Notes

Participants have not fully explored the implications of their network configurations, such as the role of default gateways and DNS settings, nor have they resolved the technical details of how to configure the laptop for optimal connectivity.

cpscdave
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Howdy everyone.
So here's the issue.
My work laptop spans 2 networks.
Wired its connected to my test network (that I control)
It is setup to be 10.5.1.X
Subnet 255.255.255.0
The router also connects into the main network so my various devices can download updates and what not.

My Laptop also connected Wirelessly to the main network (don't control)
10.22.1.X
255.255.255.0

The issue I have is Windows isn't smart enough to realize that a printer at 10.22.1.something should be talked to via the wireless adaptor, and anytime I want to print something I have to unplug the Ethernet cable to the main network.

Any ideas on how I can resolve this to not be a pain in the ass??
 
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I found this article where someone had gotten something simular to work on Windows 7:

http://www.sevenforums.com/network-sharing/220875-connecting-two-networks-simultaneously.html
 
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I have seen something similar when the private network (10.5.1.X) has a default gateway or dns set. If those are set you need to blank out the values.

BoB
 
cpscdave said:
Howdy everyone.
So here's the issue.
My work laptop spans 2 networks.
Wired its connected to my test network (that I control)
It is setup to be 10.5.1.X
Subnet 255.255.255.0
The router also connects into the main network so my various devices can download updates and what not.

My Laptop also connected Wirelessly to the main network (don't control)
10.22.1.X
255.255.255.0

The issue I have is Windows isn't smart enough to realize that a printer at 10.22.1.something should be talked to via the wireless adaptor, and anytime I want to print something I have to unplug the Ethernet cable to the main network.

Any ideas on how I can resolve this to not be a pain in the ass??
Well, you have defined two different routes to the printer (one wireless and one wired). Don't blame Windows for being confused, your setup is not according to IP standards. In short, two different routes to the same device is not allowed. If there is, something called a spanning tree is created, which means that one of the routes is kept and the other is blocked. This is not something Windows does, it happens "in the network".
 

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