Do I have a killer switch?

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sambat2000

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Feb 14, 2011
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Today I replaced my Netgear GS524T 24 port gigabit switch with a D Link DGS-1224T switch 24 port managed switch.
Expecting everything to go fine I just pulled all my cables, changed switches, and plugged back in.
Immediately I lost my whole network, nothing worked, not even Wi-Fi from my BT Home Hub 6 which had gone into a red light state. Rebooted and reset the router, no change.
After checking various connections/cables etc I eventually I disconnected the D-Link and reinstalled the Netgear and got connections and Wi-Fi back from my router, and then had to go to BT as I did not have a broadband connection.
BT tell you nothing but I presume they reset the line, so I am back where I started.
Is it possible that the D-Link killed my network just by installing ?
Is there any way of testing the D-Link without killing my network again?
Thanks
(My network is setup by 1 router port feeding the netgear which then goes to the rest of the house)
 
Solution
jsmithepa


Ah... Ya!

And that's just the starting gate, there are maybe 20 others things to configure. You wanted to learn, time to spend some serious quality time with the manual.

To get you started, all pieces on your LAN that needs an IP should have one, such as this switch. This switch belongs in the category of what I call infrastructure equipment, meaning they are there to manage your LAN. Infrastructure equipment, by practice, should have static IP assigned to them. Some people make static IP assignment at the beginning of the IP range, some at the end, I prefer at the beginning, because...
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sambat2000

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It hasn't been configured yet, I bought this for 3 reasons.
1 Learn how to use a managed switch - not doing so well at the mo am I?
2 Upgrade my existing switch
3 Find where my network is dropping packets

All I have done so far is add it to the network, however the IP address is 192.168.0.1, but my network address range is 192.168.1.1, so I need to find out how to change that to start configuration?
Thanks
 
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sambat2000

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Found the issue, a couple of old cables were among the live ones. I connected them all up and appear to have caused a network storm.
Could this have fed back through my broadband back to the exchange?
 
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jsmithepa

jsmithepa

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Jun 14, 2014
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Ah... Ya!

And that's just the starting gate, there are maybe 20 others things to configure. You wanted to learn, time to spend some serious quality time with the manual.

To get you started, all pieces on your LAN that needs an IP should have one, such as this switch. This switch belongs in the category of what I call infrastructure equipment, meaning they are there to manage your LAN. Infrastructure equipment, by practice, should have static IP assigned to them. Some people make static IP assignment at the beginning of the IP range, some at the end, I prefer at the beginning, because the end IPs can be specialized IPs, that while typically not used in a home LAN, why risk it? so I suggest:

192.168.1.1-15 = fifteen static IP for infrastructure equipment.
192.168.1.16-254 = use for DHCP lease pool.

As this is just step 1. :)
 
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Solution
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sambat2000

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Ok I understand the reasoning behind what you say but I still don't know how to get the switch ip changed so its in the same range as my router. I have tried doing this in the SmartConsole Utility but when I click "OK" it stays as it was. It doesn't tell me why, maybe the password is wrong, I don't know.
Regarding the manual I do agree with you, I have been going through it. The problem with the manual it tells you how to do something but not why. Its not really a learning resource.
Thanks for your advice. More appreciated.
 
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