enable
copy tftp flash:
# Provide IP, filename
boot system flash:c7200-adventerprisek9-mz.152-4.M11.bin
config-register 0x2102
write memory
reload
Many newer images have deprecated older crypto algorithms for security compliance. This image still supports DH group 1/2/5, DES/3DES, and older IKE versions—perfect for recreating legacy VPN scenarios found in CCNP SECURITY or CCIE labs.
| Attribute | Details |
|------------------|---------|
| Filename | c7200-adventerprisek9-mz.152-4.M11.bin |
| Platform | Cisco 7200 series routers (including 7201, 7202, 7204, 7206, 7206VXR, 7301) |
| IOS Release | 15.2(4)M11 |
| Image Type | adventerprisek9 – Advanced Enterprise Services with cryptographic (k9) support |
| Memory | RAM: 512 MB minimum (recommended 1 GB), Flash: 256 MB minimum |
| Feature Set | BGP, MPLS, IPv6, IPsec, DMVPN, EIGRP, OSPF, ISIS, L2TPv3, NAT, QoS, zone-based firewall | c7200adventerprisek9mz1524m11bin verified
Why reach for this specific image over a newer 15.5 or 15.7 version? Here’s what makes the 152-4.M11 shine: enable copy tftp flash: # Provide IP, filename
Note: Older GNS3 may need the c7200 image converter or require initrd and kernel files. The c7200adventerprisek9mz.152-4.M11.bin works best with the c7200 QEMU binary provided by GNS3. Many newer images have deprecated older crypto algorithms