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Configure SNMP and SSH on Cisco SG550 Series Switches

Learn how to configure SNMP communities and enable SSH password authentication on Cisco SG Series managed switches (like the SG550X) for remote network monitoring.

By Josh Frazier

Configuring SNMP and SSH access on your Cisco SG Series switch (such as the SG550X) is essential for remote management and integrating with network monitoring tools like Site24x7.

Log in to your switch's web management interface to get started.

Enable SNMP and SSH Services

First, you need to enable the base TCP/UDP services for both SNMP and SSH.

1
Select Advanced from the Display Mode dropdown in the top right corner of the dashboard to reveal all configuration options.
Step #1: Select Advanced from the Display Mode dropdown in the top right corner of the dashboard to reveal all configuration options.
2
Under the Initial Setup section, click the Change Management Applications and Services link.
Step #2: Under the Initial Setup section, click the Change Management Applications and Services link.
3
Check the boxes next to SNMP Service and SSH Service to enable them, then click Apply.
Step #3: Check the boxes next to SNMP Service and SSH Service to enable them, then click Apply.

Configure SNMP Communities

Next, configure an SNMP community string so your on-premise poller can read data from the switch.

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In the left-hand navigation pane, click SNMP to expand the section.
Step #4: In the left-hand navigation pane, click SNMP to expand the section.
5
Click Communities.
Step #5: Click Communities.
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Under the SNMP Communities table, click Add.
Step #6: Under the SNMP Communities table, click Add.
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Enter the IP address of your monitoring poller (e.g., your Site24x7 server) and set the Community String to public. Ensure the access mode is set to Read Only, then click Apply.
Step #7: Enter the IP address of your monitoring poller (e.g., your Site24x7 server) and set the Community String to public. Ensure the access mode is set to Read Only, then click Apply.
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Once you see the success message, click Close to dismiss the modal window.
Step #8: Once you see the success message, click Close to dismiss the modal window.

Enable SSH Password Authentication

Now, configure the SSH server to allow authentication via password.

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In the left-hand navigation menu, expand Security, then SSH Server, and select SSH User Authentication.
Step #9: In the left-hand navigation menu, expand Security, then SSH Server, and select SSH User Authentication.
10
Check the box to enable SSH User Authentication by Password, then click Apply.
Step #10: Check the box to enable SSH User Authentication by Password, then click Apply.

Save Your Configuration

Finally, commit your changes so they aren't lost if the switch reboots.

11
At the top of the interface, click Save (the blinking floppy disk icon) to copy the modified running configuration to the startup configuration.
Step #11: At the top of the interface, click Save (the blinking floppy disk icon) to copy the modified running configuration to the startup configuration.