QoS - Quality of Service Feature ICX 7150 ICX 7250 ICX 7450 ICX 7550 ICX 7650 ICX 7750 ICX 7850 Scheduling and queuing: Strict Priority (SP), Weighted Round Robin (WRR), Combined SP and WRR, 8 priority queues 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 802.1p classification and marking 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 DiffServ support 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 DSCP-based QoS (IPv4 and IPv6) 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 DSCP and PCP global remarking 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 QoS mappings (DSCP to CoS and vice versa) 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 User-configurable scheduler profiles 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 Ingress buffer management 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 Per-port PFC No 8.0.40 8.0.40 No No 8.0.20 No Port Flow Control: Responds to flow control packets, but does not generate them No 8.0.30 8.0.20 No No 8.0.10 No Symmetric flow control: Can transmit and receive 802.3x PAUSE frames 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 Auto-negotiation and advertisement of flow control 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 QoS priority 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 Dynamic buffer allocation for QoS priorities (egress) 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 Egress queue counters 8.0.60 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 Separate QoS queuing for unicast and multicast No 8.0.30 8.0.20 8.0.95 8.0.70 8.0.10 8.0.90 Parent topic: Traffic Management