I86bi-linux-l3-adventerprisek9-15.4.1t.bin _best_ < 2024-2026 >

copy running-config flash:/startup-config

It means you can run this image on any modern Intel/AMD machine running Ubuntu, Windows, or macOS (via QEMU/KVM). No proprietary router chassis needed. i86bi-linux-l3-adventerprisek9-15.4.1t.bin

As an "AdvEnterpriseK9" image, it supports a vast array of high-end features including OSPF , EIGRP , BGP , MPLS , and various VPN technologies. Key Considerations and various VPN technologies. Key Considerations