Cisco Meraki MS42 vs MS125-48

The MS125-48 is the modern replacement for the end-of-life MS42 L2 access switch. Both are 48-port Gigabit Layer 2 switches, but the MS125 adds 10G SFP+ uplinks, physical stacking, and a current support lifecycle, making it the recommended upgrade.

End of life

Meraki MS42

MS42-HW

Layer 2 cloud-managed 48-port Gigabit access switch (non-PoE).

  • 48x GbE ports (non-PoE)
  • 4x 1G SFP uplinks
  • Layer 2 cloud-managed switching
  • End-of-life; replaced by the MS125-48
Recommended replacement

Meraki MS125-48

MS125-48-HW

Layer 2 stackable cloud-managed 48-port Gigabit access switch with 10G SFP+ uplinks (non-PoE).

  • 48x GbE ports (non-PoE)
  • 4x 10G SFP+ uplinks
  • Physical stacking support
  • Current, fully supported MS125 series

Meraki MS42 vs Meraki MS125-48: spec comparison

SpecMeraki MS42Meraki MS125-48
Access ports48x GbE48x GbE
PoENon-PoENon-PoE
Uplinks4x 1G SFP4x 10G SFP+
Switching layerLayer 2Layer 2
Physical stackingNo (virtual only)Yes (physical stacking)
Switching capacityUp to 104 GbpsUp to 176 Gbps
ManagementMeraki cloud dashboardMeraki cloud dashboard
TAA-compliant optionLimited / EOLYes (TAA SKU available)
WarrantyLifetime hardware warrantyLifetime hardware warranty

Choose Meraki MS42 if

Only choose the MS42 to match an existing MS42 install for spares, as it is end-of-life and no longer sold.

Choose Meraki MS125-48 if

Choose the MS125-48 for any new or refreshed non-PoE access layer needing 10G SFP+ uplinks, physical stacking, and a current support lifecycle, including TAA-compliant federal builds.

Verdict

Migrate to the MS125-48. It matches the MS42 in 48 Gigabit ports and Layer 2 switching while upgrading uplinks from 1G to 10G SFP+, adding physical stacking, and providing a current TAA-compliant SKU for federal buyers. Keep the end-of-life MS42 only as a short-term spare.

Frequently asked questions

Is the Meraki MS42 end of life?

Yes. The MS42 has reached end-of-life. The MS125-48 is the recommended Layer 2 stackable replacement.

What is the difference between the MS42 and MS125-48?

Both are 48-port non-PoE Layer 2 switches, but the MS125-48 upgrades uplinks from 1G to 10G SFP+, adds physical stacking, and has a current support lifecycle.

Does the MS125-48 support 10G uplinks?

Yes. The MS125-48 includes 4x 10G SFP+ uplink ports, a significant upgrade over the MS42's 1G SFP uplinks.

Is the MS125-48 TAA-compliant for federal use?

Yes. Meraki offers TAA-compliant MS125 SKUs suitable for federal and GPC-payable procurements.

Specs are for planning and may change; Uniqcli confirms the current Cisco bill of materials and pricing on your quote. Cisco, Catalyst, Nexus, Meraki, and Firepower are trademarks of Cisco Systems, Inc.; Uniqcli LLC is an independent authorized Cisco partner.