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- 88 Gbps backplane with 64 million pps (ProCurve 3400cl-24G) and 136 Gbps backplane with 99.5 million pps (ProCurve 3400cl-48G): up to ten times the bandwidth for low-latency throughput
- Dual-personality functionality: four 10/100/1000 ports or mini-GBIC slots for optional fiber connectivity such as Gigabit-SX, -LX, or -LH
- Router redundancy (XRRP): allows groups of 2 routers to dynamically back each other up to create highly available routed environments
- VLAN support and tagging: support complete 802.1Q (4,096 VLAN IDs) and 256 VLANs simultaneously
- Access control lists (ACLs): provide IP Layer 3 filtering based on source/destination IP address/subnet and source/destination TCP/UDP port number
- Port security: prevents unauthorized access using MAC address lockdown
- Source port filtering: allows only specified ports to communicate with each other
- TACACS+: eases switch management security administration by using a password authentication server
- Secure Shell (SSHv2): encrypts all transmitted data for secure CLI remote access over IP networks
- Secure Sockets Layer (SSL): encrypts all HTTP traffic, allowing secure access to the browser-based management GUI in the switch
- Layer 4 prioritization: enables prioritization based on TCP/UDP ports
- Traffic prioritization (802.1p): allows real-time traffic classification into 8 priority levels mapped to 4 queues
- Class of Service (CoS): sets 802.1p priority tag based on IP address, IP Type of Service (ToS), L3 protocol, TCP/UDP port number, source port, and DiffServ
- RMON, XRMON, and SMON: provide advanced monitoring and reporting capabilities for statistics, history, alarms, and events
- HP/IEEE Auto-MDIX: automatically adjusts for straight-through or crossover cables on all 10/100/1000 ports
- Group VLAN Registration Protocol (GVRP): allows automatic learning and dynamic assignment of VLANs
- Friendly port names: allows assignment of descriptive names to ports
- Find-Fix-and-Inform: finds and fixes common network problems automatically, then informs administrator
- iSCSI support: enables the deployment of Ethernet storage area network solutions using the iSCSI standard
- 802.1X and RADIUS network login: control port-based access for authentication and accountability
- 802.1v Protocol VLANs: isolate select non-IPv4 protocols automatically into their own VLANs
- MAC address lockout: prevents configured particular MAC addresses from connecting to the network
- Web-based authentication: similar to 802.1X, provides a brower-based environment to authenticate clients that do not support the 802.1X supplicant
- Secure FTP: allows secure file transfer to/from the switch—protects against unwanted file downloads or unauthorized copying of switch configuration file
- Rate Limiting: per port ingress enforced maximums and per port, per queue guaranteed minimums
- Stacking capability: single IP address management for a virtual stack of up to 16 switches, including the ProCurve 2500 series, 2600 series, 2800 series, 3400cl series, 4000m, 6108, 8000m, and 4100gl series
- Dual flash images: provide independent primary and secondary OS files for backup while upgrading
- Secure management access: all access methods - CLI, GUI, or MIB - are securely encrypted through SSHv2, SSL, and/or SNMPv3
- 802.1w Rapid Convergence Spanning Tree Protocol: increases network uptime through faster recovery from failed links
- 802.1s Multiple Spanning Tree: high link availability in multiple VLAN environments by allowing multiple spanning trees
- sFlow (RFC 3176): wire-speed traffic accounting and monitoring
- Jumbo frames: on Gigabit and 10 Gigabit ports allow high-performance remote backup and disaster recovery services
- Optional redundant power supply: provides uninterrupted power
- HP switch meshing: dynamically load-balances across multiple active redundant links to increase available aggregate bandwidth
- Layer 3 IP routing: provides routing of IP at media speed; supports static routes, RIP, RIPv2, and OSPF
- IP multicast (data-driven IGMPv3): automatically prevents flooding of IP multicast traffic
- 802.3ad Link Aggregation Control Protocol (LACP) and HP trunking: support up to 25 trunks, each with up to 8 links (ports) per trunk
- Link Layer Discovery Protocol: Automated device discovery protocol for easy mapping by network management applications
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