|The HP 4204 vl Switch Chassis is a 4-slot chassis that can be used to design a high-density chassis solution that will fit many LAN infrastructure needs.|
|The HP 4200 vl Switch Series consists of modular chassis that provide a flexible, cost-effective LAN solution as an alternative to stackable switches. These switches offer a proven chassis form factor with high quality and reliability in 10/100, 10/100/1000, and 10-Gigabit scalable solutions that integrate easily into any network.|
- Quality of Service (QoS).
Traffic prioritization (IEEE 802.1p): allows real-time traffic classification into eight priority levels mapped to eight queues. Class of Service (CoS): sets the IEEE 802.1p priority tag based on IP address, IP Type of Service (ToS), Layer 3 protocol, TCP/UDP port number, source port, and DiffServ. Layer 4 prioritization: enables prioritization based on TCP/UDP port numbers.
Uni-Directional Link Detection (UDLD): monitors cable between two switches and shuts down the ports on both ends if the cable is broken, turning the bidirectional link into a unidirectional one; this prevents network problems such as loops.
Auto-MDIX: automatically adjusts for straight-through or crossover cables on all 10/100 and 10/100/1000 ports.
Architecture: up to 76.8 Gbps crossbar switching fabric provides wire-speed intra- and inter-module switching with up to 48 million pps throughput built on HP custom-designed ASIC technology.
- IEEE 802.3ad Link Aggregation Control Protocol (LACP) and HP port trunking: support up to 60 trunks, each with up to eight links (ports) per trunk. IEEE 802.1s Multiple Spanning Tree Protocol: provides high link availability in multiple VLAN environments by allowing multiple spanning trees; encompasses IEEE 802.1D Spanning Tree Protocol and IEEE 802.1w Rapid Spanning Tree Protocol. Hot-swappable modules: permit modules and mini-GBICs to be added or swapped without interrupting the network. Optional redundant power supply: provides uninterrupted power; allows hot-swapping of one of the two supplies when installed.
- sFlow (RFC 3176): wire-speed traffic accounting and monitoring. RMON and XRMON: provide advanced monitoring and reporting capabilities for statistics, history, alarms, and events. Dual flash images: provides independent primary and secondary operating system files for backup while upgrading. Multiple configuration files: allows a configuration file to be stored to a flash image. Friendly port names: allow assignment of descriptive names to ports.
- VLAN support and tagging: supports IEEE 802.1Q (4,094 VLAN IDs) and 256 VLANs simultaneously. GARP VLAN Registration Protocol: allows automatic learning and dynamic assignment of VLANs.
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