Cisco Catalyst 4948 Series End-of-Life & EOSL Dates
The Cisco Catalyst 4948 Series is a switch in Cisco's Catalyst product line. End-of-sale and end-of-service-life dates are listed by part number below, each linked to the Cisco EOL bulletin.
Every tracked Cisco Catalyst 4948 Series SKU group is past Cisco end of service life (last group Oct 2022). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure. Cisco’s named migration path: 5 successor part numbers.
End of sale
Feb 2013 – Oct 2017
End of security support
Jul 2016 – Oct 2020
Last date of support
Feb 2018 – Oct 2022
Part numbers
20
49
months since the last part number lost support
Why this score
- Past end of service life: the first part numbers 105 months ago, the last 49 months ago
- Vendor-published date, source-linked
- Vendor-named replacement / migration path available
- Category: switch
Support-lifecycle timing and source confidence only. Higher means more runway. It is not a risk, safety or compliance rating. How it is calculated
Part numbers in this family
Dates vary across 3 groups in this family, so every row carries its own. Find your exact part before you plan.
| Part number | End of sale | End of security support | Last date of support | Status | Description |
|---|---|---|---|---|---|
| WS-C4948 | Aug 2013 | Jul 2016 | Jul 2018 | Past support | |
| WS-C4948-BDL | Aug 2013 | Jul 2016 | Jul 2018 | Past support | Green Bundle 10x WS-C4948 |
| WS-C4948-E | Aug 2013 | Jul 2016 | Jul 2018 | Past support | Catalyst 4948, ES s/w, 48-Port 10/100/1000+4 SFP, 1 AC p/s |
| WS-C4948-S | Aug 2013 | Jul 2016 | Jul 2018 | Past support | Catalyst 4948, IPB s/w, 48-Port 10/100/1000+4 SFP, 1 AC p/s |
| WS-C4948E | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Catalyst 4948E, opt sw, 48-Port 10/100/1000+ 4 SFP+, no p/s |
| WS-C4948E-BDL | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Green Bundle 10x WS-C4948E |
| WS-C4948E-BDL-1 | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Green Bundle WS-C4948E single |
| WS-C4948E-E | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Catalyst 4948E, ES, 48-Port 10/100/1000+ 4 SFP+, AC p/s |
| WS-C4948E-F | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Cat 4948E-F, opt sw,48x 10/100/1000+ 4 SFP+, no PS, Fr Ext |
| WS-C4948E-F-BDL | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Green Bundle 10x WS-C4948E-F |
| WS-C4948E-F-BDL-1 | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Green Bundle single WS-C4948E-F |
| WS-C4948E-F-E | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Cat 4948E-F, ES, 48x 10/100/1000+ 4 SFP+, AC PS, Fr Ext |
| WS-C4948E-F-S | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Cat 4948E-F, IPB, 48x 10/100/1000+ 4 SFP+, AC PS, Fr Ext |
| WS-C4948E-S | Oct 2017 | Oct 2020 | Oct 2022 | Past support | Catalyst 4948E, IPB, 48-Port 10/100/1000+ 4 SFP+, AC p/s |
| ME-4924-10GE | Feb 2013 | — | Feb 2018 | Past support | ME4924 Switch - 24x 1GE SFP + 4x SFP or 2x 10GE X2, No PS |
| WS-C4928-10GE | Feb 2013 | — | Feb 2018 | Past support | Catalyst 4928, no p/s, 28x 1GBase-X SFP, 2x 10GBase-X X2 |
| WS-C4948-10GE | Feb 2013 | — | Feb 2018 | Past support | Catalyst 4948, optnl sw, 48 * 10/100/1000+2 * 10GE(X2), no p/s |
| WS-C4948-10GE-E | Feb 2013 | — | Feb 2018 | Past support | Catalyst 4948, ES Image, 48 * 10/100/1000+2 * 10GE(X2), 1 AC p/s |
| WS-C4948-10GE-S | Feb 2013 | — | Feb 2018 | Past support | Catalyst 4948, IPB s/w, 48 * 10/100/1000+2 * 10GE(X2), 1 AC p/s |
| WS-C4948-10GEBDL | Feb 2013 | — | Feb 2018 | Past support | Green Bundle 10x WS-C4948-10GE |
Options from here
The Cisco Catalyst 4948 Series is past Cisco end of service life. These are the paths teams take from here:
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market. Current eBay listings for Catalyst 4948 Series ↗
It is unsupported today. Set a migration timeline and budget.
Low-criticality role: document the risk, harden backups, retire on your terms.
Independent and informational. EOSL.ai sells no hardware and no maintenance, and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the role the asset plays.
Catalyst 4948 Series questions
Is the Cisco Catalyst 4948 Series end of life?
Yes. Every dated 4948 Series SKU group is past its last date of support.
What is the last date of support for the 4948 Series?
Last dates of support across 4948 Series SKU groups range from Feb 2018 to Oct 2022.
When does Cisco stop releasing security fixes for the 4948 Series?
Between Jul 2016 and Oct 2020, depending on the SKU group, for the SKU groups whose bulletin publishes the date. That is the End of Vulnerability/Security Support date in the Cisco EOL bulletin: the last date Cisco may release a remedy for a security vulnerability in the hardware.
Where do these 4948 Series dates come from?
Every end-of-sale and end-of-service-life date on this page links to the official Cisco EOL bulletin it was taken from.
What is the replacement for the 4948 Series?
Cisco's end-of-life bulletin lists 5 successor part numbers as the recommended migration path for the 4948 Series. Exact per-part-number replacements are in the linked bulletin.