SFP+ on PRO/10GbE

Sergey Akhmatov sergey at akhmatov.ru
Tue Mar 24 20:59:22 UTC 2020


On 2020-03-24 11:22 PM, Dan Langille wrote:
>
> 	media: Ethernet autoselect (1000baseSX <full-duplex,rxpause,txpause>)
> 	status: active
> 	supported media:
> 		media autoselect
> 		media 10Gbase-SR
> 	nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
> 	plugged: SFP/SFP+/SFP28 10G Base-SR (LC)
> 	vendor: AVAGO PN: AFBR-703SDZ SN: AD0946A00YB DATE: 2009-11-10
> 	module temperature: 38.09 C Voltage: 3.33 Volts
> 	RX: 0.31 mW (-4.95 dBm) TX: 0.56 mW (-2.48 dBm)
> [dan at r720-01:~] $
>
> That looks right to me, but I have never inspected this before.

Not right actually. The supported media is "10Gbase-SR" which is correct 
for this type of SFP,  but autodetected is "1000baseSX" and it's not 
even listed as supported.

That doesn't make sense to me, maybe try to set media type manually?

# ifconfig ix0 media 10gbase-sr



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