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Even number ports of nexus N9K-C93600CD-GX dont display support for 10GB connections as part of their capabilities while running "show interface e1/X capabilities" command. If you try to set this speed manually the nexus reports that the ports doesn´t support this value.
Behavior noticed on all even numbered interfaces of nexus N9K-C93600CD-GX-B
Cosmetic issue, interface comes online with a speed of 10GB without any issues. N9K-C93600CD-GX-1# sh int e1/2 Ethernet1/2 is up admin state is up, Dedicated Interface Hardware: 40000/50000/100000 Ethernet, address: 44ae.250a.ea37 (bia 44ae.250a. ea3c) MTU 1500 bytes, BW 10000000 Kbit , DLY 10 usec reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, medium is broadcast full-duplex, 10 Gb/s, media type is 10G Beacon is turned off Auto-Negotiation is turned on FEC mode is Auto Input flow-control is off, output flow-control is off Auto-mdix is turned off Rate mode is dedicated N9K-C93600CD-GX-1# sh int e1/2 capabilities Ethernet1/2 Model: N9K-C93600CD-GX Type (SFP capable): 10Gbase-SR Speed: 40000,50000,100000 Duplex: full Trunk encap. type: 802.1Q Channel: yes Broadcast suppression: percentage(0-100) Flowcontrol: rx-(off/on),tx-(off/on) Rate mode: dedicated Port mode: Routed,Switched
Even number ports of nexus N9K-C93600CD-GX don´t display support for 10GB connections as part of their capabilities while running "show interface e1/X capabilities" command. N9K-C93600CD-GX-1# show int e1/1-24 capabilities | i "^Ethernet|Speed" Ethernet1/1 Speed: 10000,25000,40000,50000,100000 Ethernet1/2 Speed: 40000,50000,100000 Ethernet1/3 Speed: 10000,25000,40000,50000,100000 Ethernet1/4 Speed: 40000,50000,100000 Ethernet1/5 Speed: 10000,25000,40000,50000,100000 Ethernet1/6 Speed: 40000,50000,100000 If you try to set this speed manually the nexus reports that the ports doesn´t support this value. N9K-C93600CD-GX-1(config-if)# int e1/2 N9K-C93600CD-GX-1(config-if)# speed ? 10 10Mb/s 100 100Mb/s 1000 1Gb/s 10000 10Gb/s 100000 100Gb/s 200000 200Gb/s 2500 2.5Gb/s 25000 25Gb/s 40000 40Gb/s 400000 400Gb/s 5000 5Gb/s 50000 50Gb/s auto Auto negotiate speed N9K-C93600CD-GX-1(config-if)# speed 10000 ERROR: Speed 10G configuration is not supported on interface[eth1/2] This is misleading since documentation guide for this platforms states that "This switch offers QSA 10G support on all ports.".