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: Release 3.11.xE is often one of the final stable maintenance trains for aging hardware like the Supervisor 7-E. Upgrading to this version is frequently the "last stop" for administrators before they are forced to refresh their hardware. VSS and High Availability : For administrators running VSS (Virtual Switching System) cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
The 3.11.xE release branch introduced several enterprise-grade enhancements to improve routing and wireless integration: OSPF for Routed Access: : : Release 3
This version focuses on enhancing the density and reliability of the 4500E platform, specifically for Supervisor Engines like the 7-E, 7L-E, and 8-E. cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
: Designed for the Catalyst 4500E Series chassis and supervisor engines.