Ports and Performance Downstream: 8 × 10/100/1000BASE-T RJ-45 (non PoE) Upstream: 2 × 1G RJ-45/SFP optical multiplexing (Combo), can be plugged into optical modules or electrical ports Switching capacity: 20 Gbps Forwarding rate: 14.88 Mpps (64 B packets) MAC table: 8 K, packet cache 1.5 MB, supports 9 K jumbo frames 2. Hardware specifications CPU/Memory: Dual core ARM 1.4 GHz/1 GB DDR4 Power supply: Built in 220 V AC, typical power consumption 10.6 W (220 V), fanless 0 dB Size: 268 × 185 × 44 mm, 1U metal body, can be desktop/wall mounted/rack mounted Weight: 1.39 kg MTBF:>2.86 million hours (25 ° C) 3. Software Features (Layer 2+) VLAN: 255 active VLAN, 802.1Q, voice VLAN, QinQ STP: RSTP (default), MSTP 16 instance PVST+/RPVST+ Link aggregation: LACP, up to 4 groups, with 8 ports per group QoS: 8 queues per port, supporting DSCP/802.1p mapping, rate limiting WRR/WRED Security: Port Security, DHCP Snooping, IP Source Guard, DAI, 802.1X, MACsec-128 Management and Automation: Web GUI、CLI（IOS-like）、SNMP/RMON、Syslog USB-C Console&File Transfer NETCONF/ESTCONF, Python scripting, Cisco DNA Center plug and play
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