Adding Static Route

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Adding Static Route

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Adding Static Route
Adding Static Route
2022-08-21 16:29:44 - last edited 2022-08-22 01:06:02
Model: TD-W9970  
Hardware Version: V3
Firmware Version: 1.0.0 0.9.1 v009f.0 Build 190419 Rel.34272n

Folks, recently whilst trying to understand adding static routes to my router I did the following;

 

I added a computer to my network and fixed its IP address giving it a completely different subnet to my existing home network.

 

I then added a static route on my router's configuration page selecting the LAN interface and using my router's IP address as gateway.

 

This device was not available on my network until I enabled it in the configuration page at which point this completely different IP address was available to ping and log in to using SSH.

 

When logged in via SSH I checked the device's IP address and it was a completely different subnet but strangely it was able to ping all devices on my original network address.  I cleared the ARP cache on both router and device but still device was able to communicate with other nodes on my original network address.

 

Is this normal behaviour?  I was under the impression it would be isolated.

 

Geoff Lane

 

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Re:Adding Static Route
2022-08-24 08:15:09

  @Geffers 

Hi, you could have a look at this link:

https://www.cisco.com/c/en/us/support/docs/smb/routers/cisco-rv-series-small-business-routers/kmgmt-2334-Static-Routing-RV160-RV260.html

Without a static route, the computer would be isolated, and once a static route profile has been created, it is possible for the devices to communicate with each other.

 

Thank you very much.

Best regards.

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Re:Adding Static Route
2022-09-21 16:12:00

  @David-TP   Sorry for delayed reply and thank you.

 

I am trying to see why a different subnet address, when given a static route, forms part of the existing network.  Why would someone choose that over just giving it an IP address within the network range as set in the router?

 

Geoff

 

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