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Unlike a plain .bin file, the TAR archive contains multiple components. When you extract c2960s-universalk9-tar.152-2.e9.tar, it includes:
Deploying via TAR is mandatory if you want the web GUI. Extracting a plain BIN via archive download-sw only installs the binary, but using the TAR with the /overwrite or /safe option ensures all HTML dependencies are placed correctly in the flash filesystem.
Recommended safe method: copy TAR to flash, verify checksum, extract locally, set boot variable to new BIN, reload.
Example process below assumes TFTP and console access.
Q1: Is this image compatible with the older Catalyst 2960 (non-S) series?
A: No. The 2960 (non-S) uses different images, typically c2960-lanbasek9-tar.xxx. Using a 2960S image on a 2960 will brick the device.
Q2: Can I use the .bin file instead of the .tar file?
A: Yes. The .bin is extracted from the .tar. You can copy the .bin directly via TFTP and set the boot statement. However, the .tar is recommended because it automatically handles the HTML files for the Web GUI (if you use it).
Q3: Does 15.2(2)E9 support Smart Install?
A: Yes, but do not enable it. Smart Install has known critical vulnerabilities (CVE-2018-0171). Cisco recommends disabling SIS if not needed. This image allows you to use no vstack.
Q4: What is the MD5 checksum for this file to verify integrity?
A: Always check Cisco’s download page for the official MD5. An example (check for your exact download) might be ab12cd34ef56.... Run verify /md5 flash:c2960s-universalk9-tar.152-2.e9.tar on the switch.
Q5: My switch is in a stack. How do I upgrade all members?
A: The archive download-sw command automatically upgrades every member of the stack if executed from the master. Ensure all switches have sufficient flash.
If you cannot use TFTP (firewalls, security policies), use SCP.
Switch# ip scp server enable
Switch# copy scp://user@192.168.1.50//home/user/c2960s-universalk9-tar.152-2.e9.tar flash:
Switch# archive download-sw /overwrite /reload flash:c2960s-universalk9-tar.152-2.e9.tar
| Feature | lanbasek9 | universalk9 (this image) | ipservicesk9 |
| :--- | :--- | :--- | :--- |
| IPv4 routing (static) | No | Yes (with IP Base license) | Yes |
| RIP | No | Yes | Yes |
| OSPF/EIGRP stub | No | Yes | Yes |
| Full OSPF/EIGRP | No | No | Yes |
| VRF-Lite | No | No | Yes |
| SSH/SSL | Yes (K9) | Yes | Yes |
| Recommended use | Simple L2 access | Hybrid L2/L3 edge | Core of small campus |
The universalk9 image strikes the best balance for most 2960S use cases – it can do lightweight routing (static default, inter-VLAN) without the complexity of full dynamic routing.
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Unlike a plain .bin file, the TAR archive contains multiple components. When you extract c2960s-universalk9-tar.152-2.e9.tar, it includes:
Deploying via TAR is mandatory if you want the web GUI. Extracting a plain BIN via archive download-sw only installs the binary, but using the TAR with the /overwrite or /safe option ensures all HTML dependencies are placed correctly in the flash filesystem.
Recommended safe method: copy TAR to flash, verify checksum, extract locally, set boot variable to new BIN, reload.
Example process below assumes TFTP and console access. c2960s-universalk9-tar.152-2.e9.tar
Q1: Is this image compatible with the older Catalyst 2960 (non-S) series?
A: No. The 2960 (non-S) uses different images, typically c2960-lanbasek9-tar.xxx. Using a 2960S image on a 2960 will brick the device.
Q2: Can I use the .bin file instead of the .tar file?
A: Yes. The .bin is extracted from the .tar. You can copy the .bin directly via TFTP and set the boot statement. However, the .tar is recommended because it automatically handles the HTML files for the Web GUI (if you use it).
Q3: Does 15.2(2)E9 support Smart Install?
A: Yes, but do not enable it. Smart Install has known critical vulnerabilities (CVE-2018-0171). Cisco recommends disabling SIS if not needed. This image allows you to use no vstack. Unlike a plain
Q4: What is the MD5 checksum for this file to verify integrity?
A: Always check Cisco’s download page for the official MD5. An example (check for your exact download) might be ab12cd34ef56.... Run verify /md5 flash:c2960s-universalk9-tar.152-2.e9.tar on the switch.
Q5: My switch is in a stack. How do I upgrade all members?
A: The archive download-sw command automatically upgrades every member of the stack if executed from the master. Ensure all switches have sufficient flash.
If you cannot use TFTP (firewalls, security policies), use SCP. Deploying via TAR is mandatory if you want the web GUI
Switch# ip scp server enable
Switch# copy scp://user@192.168.1.50//home/user/c2960s-universalk9-tar.152-2.e9.tar flash:
Switch# archive download-sw /overwrite /reload flash:c2960s-universalk9-tar.152-2.e9.tar
| Feature | lanbasek9 | universalk9 (this image) | ipservicesk9 |
| :--- | :--- | :--- | :--- |
| IPv4 routing (static) | No | Yes (with IP Base license) | Yes |
| RIP | No | Yes | Yes |
| OSPF/EIGRP stub | No | Yes | Yes |
| Full OSPF/EIGRP | No | No | Yes |
| VRF-Lite | No | No | Yes |
| SSH/SSL | Yes (K9) | Yes | Yes |
| Recommended use | Simple L2 access | Hybrid L2/L3 edge | Core of small campus |
The universalk9 image strikes the best balance for most 2960S use cases – it can do lightweight routing (static default, inter-VLAN) without the complexity of full dynamic routing.