Features of the AT-9924SP * 24 x Gigabit SFP ports will support any combination of 10/100/1000BASE-T, 1000BASE-SX, 1000BASE-LX, 1000BASE-ZX or 1000BASE-ZX CWDM SFPs * Non-blocking Layer 2 and 3 IPv4 switching and routing at wire-speed * Provides up to 256K Layer 3 IPv4 address table entries * Supports full 4096 VLANS * Supports 4096 Layer 3 interfaces * Supports VLAN double tagging * Private VLANs, providing security and port isolation of multiple customers using the same VLAN * 802.1x support for network security * Supports 9KByte Jumbo frame size1 * Full environmental monitoring, with alerts to network manager in case of failure * Extensive wire-speed traffic classification * Comprehensive wirespeed QoS features * Low switching latency, ideal for voice and multi-media applications * Advanced routing protocols OSPF, BGP-4, RIP and RIPv2, DVMRP, PIM-SM, PIM-DM * STP, RSTP, MSTP (802.1s) * Port trunking (802.3ad LACP) * SSH for secure management * SNMPv3 * EPSR