The new 3-slot Cisco Catalyst 6503-E Switch chassis offers a compact 4 rack-unit height that is ideally suited for multi-Gbps secure data centers, remote access, e-commerce, and converged network solutions. The Cisco Catalyst 6503-E supports Cisco Catalyst 6500 Series end-to-end operational consistency benefits.
Important Features
Supports all Cisco Catalyst 6500 Series modules, including:
- Supervisor engines
- Fast Ethernet modules (with IEEE 802.3af Power over Ethernet [PoE])
- Gigabit Ethernet modules (with IEEE 802.3af PoE)
- 10 Gigabit Ethernet modules
- Flex WAN modules
- Shared Port Adaptors/SPA Interface Processors
- Multi-Gigabit services modules (content services ,firewall, intrusion detection, IP Security [IPSec], VPN, network analysis, and Secure Sockets Layer [SSL] acceleration)
The Cisco Catalyst 6503-E supports both Cisco Catalyst OS and Cisco IOS Software.
The Cisco Catalyst 6503-E provides maximum uptime with redundancy and rapid (1 to 3 seconds) stateful failover across supervisor engines. It provides support for modular Cisco IOS Software to minimize unplanned downtime through self-healing processes and simplifies software changes through subsystem in-service software upgrades.
The Cisco Catalyst 6503-E Firewall Security System is a 3-slot model providing an easily deployed solution that integrates a Cisco Catalyst 6500 Series Supervisor Engine 720 (with integrated policy and multilayer switch feature cards [PFC3/MSFC3] for system control, routing services, and dual-Gigabit-Ethernet ports); a Cisco Catalyst 6500 Series Firewall Services Module providing 5 Gbps of firewall services; and a single open slot for site customization.
Networking 
