Arista 7280R 7280CR2-60 与 Juniper QFX Series QFX10002-72Q 对比
源自厂商官方文档的规格并排对比。 Arista 7280CR2-60是一款2U高密度100GbE深缓冲区主干交换机兼核心路由器，提供60个100GbE QSFP28端口。 Juniper QFX10002-72Q是一款2U高密度深缓冲区固定式主干交换机，配备72个40GbE QSFP+端口（或24个100GbE QSFP28端口），采用定制Juniper Q5 ASIC芯片。
| Arista 7280R 7280CR2-60 | Juniper QFX Series QFX10002-72Q | |
|---|---|---|
| 品牌 | Arista | Juniper |
| 状态 | current | current |
| 发布日期 | 2017年6月 | 2015年3月 |
| 外形规格 | 2U fixed switch | 2U fixed switch |
| 端口 | 60x 40G/100G QSFP28 ports | 72x 40GbE QSFP+ ports (configurable as 24x 100GbE QSFP28) |
| 交换容量 | 12.0 Tbps / 4.3 Bpps forwarding throughput | 5.76 Tbps / 2 Bpps forwarding throughput |
| 缓冲区 | Up to 48GB deep packet buffer | — |
| 外形规格 | 2U rack mount | — |
| 电源与散热 | N+1 hot-swappable power supplies and fan modules | — |
| 数据包缓存 | — | Up to 100 ms deep packet buffering per port powered by Q5 ASICs |
| 表项规格 | — | Carrier-grade route tables supporting up to 2 million IPv4 routes |
| 冗余 | — | Dual hot-swappable AC or DC power supplies and field-replaceable fan trays |
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