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Troubleshooting Question

Cisco SG200-50P

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Last Modified: 2020-10-29
Hello I've lost the IP address for our Switch it's a Cisco SG200-50P, how can I find the assigned IP address?  I don't know the IP to access web interface & from what I've been reading this switch doesn't support CLI.  So if I'm unsure of the IP how can I access the device to find the config settings?  It's in DNS but it has the wrong address configured.
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Philip ElderTechnical Architect - HA/Compute/Storage
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Commented:
There should be a label on the back of the switch with the MAC address. It may be on the bottom.

From an elevated CMD: arp -a [ENTER]

Look for the MAC address. If it's there you will see an IP associated with it.

If it isn't, then the management console is probably locked up in the switch. Power cycle it when everyone is not doing anything on the network then repeat the above steps.

EDIT: The DHCP server will have a record of the IP handed out to the switch as well.
Nandan PatelFreelancer IT Support
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Commented:
There is an small utility to scan the networks and ports AdvancePortScanner and it will scan all the ip/devices and the basic ports that are available for management.
ManieyaK_CSSP

Author

Commented:
Philip, I was not able to locate the MAC of the switch in question using arp -a, I power cycled it still  nothing.  We are are a small closed loop network we don't utilize DHCP.
 
Nandan, I'm unable to use the tool you suggested, it has 4 hits on VirusTotal.com
Output can viewed by going to search and search for
d0c1662ce239e4d288048c0e3324ec52962f6ddda77da0cb7af9c1d9c2f1e2eb
Philip ElderTechnical Architect - HA/Compute/Storage
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Commented:
The default IP in a non-DHCP setting is 192.168.1.254 (PDF Manual).

Flip a PC or VM to 192.168.1.252 and see if you can log on.
Technical Architect - HA/Compute/Storage
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Nandan PatelFreelancer IT Support
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Commented:
I do agree with your virustotal but keep in mind that most of the major vendors dont see any threat. But here is another free tool that you can use
https://www.manageengine.com/products/oputils/download.html

I have even gone ahead and uploaded the file at virustotal and checked for you and shared with you the hash below.

25c848defd4bcfd3143fa47c1012fab9c56ca4c8cb44a919f55cfaa4cdc3a2ee

ManieyaK_CSSP

Author

Commented:
Thanks, I'm downloading the ManageEngine tool  now.
ManieyaK_CSSP

Author

Commented:
Is there anything needed to connect to default config on Switch?  I don't need to modify LAN setting do I?
Philip ElderTechnical Architect - HA/Compute/Storage
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Commented:
If there is no DHCP on the network the switch takes the IP indicated: 192.168.1.254. So yes, a system or VM would need its IP set to the same subnet in order to connect to the web console.
ManieyaK_CSSP

Author

Commented:
When backing up the configuration is it best to back up the Running Config or the Startup Config or both?
Philip ElderTechnical Architect - HA/Compute/Storage
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Commented:
Both. Make sure to back up all aspects of the switch configuration.
ManieyaK_CSSP

Author

Commented:
Phillip,
Thank you for all you comments, they helped out a lot.

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