Switch - 48 ports - L3 - managed - stackable | Rack-mountable 1U | Gigabit Ethernet | 48 x 10/100/1000 + 4 x Gigabit SFP / 10 Gigabit SFP+ + 2 x 40 Gigabit QSFP+ | Switching capacity (64-byte packet size): 336 Gbps Ā¦ Throughput: 250 Mpps | Virtual interfaces (VLANs): 4093 Ā¦ Multiple Spanning Tree Protocol instances: 64 Ā¦ VLAN Spanning Tree Protocol instances: 510 Ā¦ ARP entries: 8000 Ā¦ IPv4 hosts: 36000 Ā¦ IPv4 routes (Multicast): 4000 Ā¦ Maximum of neighboring networks: 8000 Ā¦ IPv6 hosts: 18000 Ā¦ IPv6 routes (Multicast): 2000 Ā¦ ACL entries: 1500 Ā¦ LAG groups: 128 Ā¦ Maximum member ports per LAG: 16 Ā¦ QoS hardware queues per port: 12 Ā¦ IGMP snooping entries: 1000 | 32000 entries | 9216 bytes | 10 | IS-IS, RIP-1, RIP-2, MSDP, static IPv4 routing, static IPv6 routing, RIPng, CIDR | SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, SSH, CLI | MD5, TLS, PEAP, TTLS | RADIUS, TACACS+, Secure Shell v.2 (SSH2), Extensible Authentication Protocol (EAP) | BOOTP support, RARP support, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), DoS attack prevention, port mirroring, DiffServ support, store and forward, IPv6 support, SNTP support, sFlow, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Access Control List (ACL) support, Quality of Service (QoS), IP Precedence, DHCP server, Virtual Route Forwarding-Lite (VRF-Lite), DHCP proxy, Dynamic ARP Inspection (DAI), temperature sensor, Redundant trunk group (RTG), Virtual Chassis technology, Non-Stop Bridging (NSB), Non-Stop Routing (NSR), Graceful Route Engine Switchover (GRES), front to back airflow, Per-VLAN Spanning Tree Plus (PVST+), Cable Diagnostics Function, DHCP relay, DHCP client, Energy Efficient Ethernet, Management Information Base (MIB), Zero Touch Auto Provisioning, Multiple VLAN Registration Protocol (MVRP), Neighbor Discovery Protocol (NDP), VLAN Spanning Tree Protocol (VSTP), NTP time synchronization, Class of Service (CoS), Strict Priority (SP), tagged VLAN, Captive Portal, DiffServ Code Point (DSCP) support, MACsec support, Smoothed Deficit Weighted Round Robin (SDWRR), system log, Internet Control Message Protocol (ICMP), ICMP Router Discovery Protocol (IRDP), Management Information Base (MIB) II | IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.3ae, IEEE 802.1s, IEEE 802.1ad, ANSI/TIA-1057, IEEE 802.1ag, IEEE 802.1ae, IEEE 802.1ab (LLDP), IEEE 802.1ak, IEEE 802.1BR | 1: 1 GHz | 2 GB | 2 GB | |