Are you configuring this for or an emulator like GNS3 ?
is a historical artifact of a robust networking era. For production use in 2025, the answer is no – the security risks, throughput limitations, and lack of support make it obsolete for business-critical networks.
: The .bin file should be unzipped (e.g., to .image) for faster booting in GNS3. Licensing and Availability Understanding Cisco IOS versions and updating - TechExams
If you're using this image for a specific certification like CCNP,
The "C2691-advipservicesk9-mz.124-17.image" file is a specific version of the Cisco IOS (Internetwork Operating System) image for the Cisco 2691 router. The file name can be broken down into several parts: C2691-advipservicesk9-mz.124-17.image
The filename follows Cisco's standard naming convention, which describes its hardware compatibility and capabilities:
Central to maximizing the hardware capability of the Cisco 2691 router is selecting the right software image. The filename (often stored or compiled as a .bin file) represents a specific, highly capable edition of Cisco IOS.
The is a Cisco IOS software image specifically for the Cisco 2691 router . It is widely used in network emulation environments like GNS3 and EVE-NG because the 2691 hardware is well-supported by the MIPS-based emulator Dynamips. Breakdown of the Image Name
: Indicates that the image runs from the router's RAM (Memory) after decompression. Are you configuring this for or an emulator like GNS3
在决定使用 C2691-advipservicesk9-mz.124-17.image 之前，请确保您的硬件满足最低运行要求：建议至少配置128 MB DRAM和32 MB闪存。以下是标准升级流程：
This image is not meant for production environments as the 2691 router is obsolete.
The Cisco 2691 Router is a legacy, high-performance multiservice platform designed for mid-sized branch offices and enterprise businesses. Central to its functionality, security, and scalability is its Internetwork Operating System (IOS) software.
Before using this image, ensure your 2691 router meets: The filename (often stored or compiled as a
Enterprise-grade traffic protection profiles are embedded natively into this package:
: Deep support for Low-Latency Queueing (LLQ), Class-Based Weighted Fair Queueing (CBWFQ), and Network-Based Application Recognition (NBAR).
Full support for BGP, OSPF, EIGRP, and RIPv2, making it ideal for CCNA and CCNP routing studies.
The image features full protocol stacks for large-scale multi-area topologies. It accommodates: Enhanced Interior Gateway Routing Protocol (EIGRP) Open Shortest Path First (OSPFv2 and OSPFv3 for IPv6)