Ethernet1/33
transceiver is present
type is QSFP-40G-SR-BD
name is CISCO-AVAGO
part number is AFBR-79EBPZ-CS2
revision is 01
serial number is AVM2013U618
nominal bitrate is 20600 MBit/sec per channel
Link length supported for 50/125um OM3 fiber is 100 m
cisco id is 13
cisco extended id number is 220
Ethernet1/4/3
transceiver is present
type is QSFP-40G-SR4
name is CISCO-AVAGO
part number is AFBR-79EQPZ-CS2
revision is 02
serial number is AVP2116S2XJ
nominal bitrate is 10300 MBit/sec per channel
Link length supported for 50/125um OM2 fiber is 30 m
Link length supported for 50/125um OM3 fiber is 100 m
cisco id is 13
cisco extended id number is 16
两个光模块,都是40G,但是一个是10G per channel,一个是20G per channel,这是为什么,channel 如何理解