C3620-a3jk8s-mz.122-26c.image Jun 2026

: It is often used to demonstrate and configure Dynamic NAT settings in virtual topologies.

This image is feature-heavy (Enterprise + FW + IPSec). c3620-a3jk8s-mz.122-26c.image

| Part | Meaning | |------|---------| | c3620 | Platform: Cisco 3620 router | | a | Feature set: (depends on version, often “a” = advanced IP services or similar legacy) | | 3 | Release train: 12.2(3rd digit sometimes indicates crypto or special features) | | j | J = encryption / 3DES | | k8 | K8 = 40-bit encryption (k9 = 168-bit 3DES/AES) | | s | Enterprise + IP routing + firewall + VPN (legacy) | | mz | m = runs from RAM , z = compressed image | | 122-26c | Release 12.2(26c) | | .image | File extension (Cisco IOS image) | : It is often used to demonstrate and

(Purely in a modern context)