The premium tier designed for core and distribution layers requiring full Layer 3 functionality. It unlocks complete routing protocols (full BGP, advanced OSPF, and EIGRP), Virtual Routing and Forwarding (VRF-Lite), and advanced hardware-accelerated MPLS features. Core Capabilities of Release 03.11.00.E (15.2(7)E)
| Supervisor | Minimum IOS | Supported by 15.2(7)E | Notes | | :--- | :--- | :--- | :--- | | Sup 6-E (WS-X45-SUP6-E) | 12.2(53)SG | Yes | Max 30,000 routes | | Sup 7-E (WS-X45-SUP7-E) | 3.3.0SG | Yes | 1 million IPv4 routes | | Sup 8-E (WS-X45-SUP8-E) | 3.7.x | Yes | Native IPv6 line rate |
: Improvements introduced in the 3.11.xE release cycle.
Always save your running configuration ( copy run start ). cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
This software train is quite old; newer security vulnerabilities may not be patched as frequently as current 16.x or 17.x trains. All-in-One Image: universalk9
: Step-by-step instructions for performing the system software upgrade. Key Technical Details
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. The premium tier designed for core and distribution
Handling this image properly is critical for a successful upgrade.
: Represents the Cisco IOS XE release version. IOS XE uses a different version numbering system than traditional IOS, where standard infrastructure components are modularized.
: Upgrading to version 3.11.xE may require a minimum ROMMON version, such as 15.0(1r)SG11 or higher, to boot the image correctly. Always save your running configuration ( copy run start )
: Includes support for BFD (Bidirectional Forwarding Detection), EIGRP Stub Routing, and Enhanced Object Tracking.
To copy the image and update the boot variables on a standard Supervisor system, use the following command sequence:
The 3.11.0E train provides strong baseline stability for enterprise access and distribution layers. Supported Hardware
Switch(config)# no boot system flash bootflash:old_image.bin Switch(config)# boot system flash bootflash:cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin Switch(config)# exit Switch# write memory Use code with caution.
