Cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin [exclusive] -

Upgrading switches configured in Virtual Switching System (VSS) mode requires additional coordination. Community posts note that ISSU (In‑Service Software Upgrade) on Catalyst 4500 series can be unreliable, with “flaky” behavior reported by multiple administrators. The recommended approach involves a sequenced reload similar to the redundant supervisor procedure but with VSS‑specific commands to manage the virtual domain.

: Provides advanced routing features including BGP , OSPF , and EIGRP , though specific support (like BGP) requires the Enterprise Services license. Operational Considerations cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin