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公告

December 2020

December 2020

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wreeg
Beginner

nexus7700系列能支持多少个FEX

各位大神:
问一下,nexus7700系列能支持多少个FEX。n2k能不能像上联n5k一样,双挂在n77上?
4 条回复4
tim16
Beginner

leimin fan
Beginner

Information About Using a Fabric Extender with a Cisco Nexus 7000 Series Switch
You can extend the Cisco Nexus 7000 Series switch architecture by connecting up to 32 FEXs as remote I/O modules. Depending on which FEX model that you connect to the switch, the FEX provides top-of-the-rack connectivity for up to 48, 32, or 24 hosts, and it becomes an extension of the parent Cisco Nexus 7000 Series switch fabric, with the FEX and the switch becoming a virtual modular system. The FEX forwards all 100/1000 Ethernet or 1- and 10-Gigabit Ethernet traffic from the hosts to the switch over 10-Gbps uplinks. Traffic flows from the switch to the FEX over the 10-Gbps uplinks and to the individual hosts over 100/1000 Ethernet or 1- and 10-Gigabit Ethernet downlinks.
You connect a FEX uplink port to the Cisco Nexus 7000 Series switch through one of the following Ethernet I/O modules installed in the switch:
•F2 Series 48-port 1 or 10-Gigabit Ethernet I/O module (N7K-F248XP-25)
•M1 Series 32-port 10-Gigabit Ethernet I/O module (N7K-M132XP-12)
•M1 Series 32-port 10-Gigabit Ethernet I/O module with XL option (N7K-M132XP-12L)
•M2 Series 24-port 10-Gigabit Ethernet I/O module (N7K-M224XP-23L)
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus2000/hw/installation/guide/nexus_2000_hig/overviewN7K.html
wreeg
Beginner

这个是n7k的,n77应该有64个fex可以玩。
guobwang
Cisco Employee

Nexus 7700与Nexus 7000支持的FEX数量是一样的,FEX的支持数量取决于IOS版本和引擎型号,具体如附件图中所示:
参考文档:
Cisco Nexus 7000 Series NX-OS Verified Scalability Guide
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/verified_scalability/b_Cisco_Nexus_7000_Series_NX-OS_Verified_Scalability_Guide.html