Cisco Catalyst 4900 WS-X4991= EOL & EOSL Dates
WS-X4991 status overview
Cisco WS-X4991 is currently marked as In EOSL Phase in the lifecycle database. Recorded milestones: EOL 2014-07-25, EOS 2015-01-23, EOSL 2020-01-31. The source URL is listed on this page. Check availability and replacement options separately before procurement.
- Product path
- Software Cisco Catalyst 4900 Model WS-X4991=
- Source
- Official Cisco bulletin
Lifecycle planning
Review the official timeline first, then check replacement fit and current sourcing options.
WS-X4991 Lifecycle Timeline
-
End-of-Life Announcement (EOL)2014-07-25
-
End of Sale (EOS)2015-01-23
-
End of Service Life (EOSL)2020-01-31
Replacement path
No replacement part is recorded for this model. Ask for a compatibility check before ordering.
Availability check
EOL, EOS, and EOSL dates do not confirm whether stock is available. Use the quote form for current sourcing, alternatives, and delivery options.
Request a quoteAll lifecycle dates
Complete recorded fields for WS-X4991.
-
End-of-Life Announcement (EOL)
- 2014-07-25
-
End of Sale (EOS)
- 2015-01-23
-
End of Service Life (EOSL)
- 2020-01-31
Request a Quote
Leave your contact information and requirement details. Our sales team will reply as soon as possible.
Related models in this series
Compare nearby SKUs before choosing a replacement, refresh path, or quote request.
Same Series Models
More lifecycle pages from Cisco Catalyst 4900.