Question need help in connecting 3 switches to a router

Mar 16, 2020
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i have 3 switches (S1,S2 and S3). A router and a NVR.



i am trying to connect NVR to LAN. at the moment NVR seting is done without LAN connection.



so, laid a cable from my router to S1. and then i used another cable to connect S1 and S2.

and another cable to link S1 and S3. so, basically 2 cables going out from S1. 1 to S2 and 1 to S3.



Router -------> S1

S1 ------------> S2

S1 ------------> S3

S3-------------> NVR



Router IP is 192.168.18.1

NVR IP is 192.168.18.2



after connecting like this i am not able to router or NVR or internet. i thing a loop is being created because of the way i am connecting these switches.



can anyone help?
 
It should work fine. If the switches you used are "managed" or smart switches you may have a misonfiguration. Unmansged switches you can just hook up.

You do not have a loop. A loop would be if you were to say connect s3 to s2.

Make sure all the ports are have the proper lights maybe you have a bad cable.
 

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