R9000 and 2Gbit/s fiber

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silvertonesx24
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Joined: 06 Oct 2015
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PostPosted: Mon Jan 05, 2026 14:32    Post subject: R9000 and 2Gbit/s fiber Reply with quote
I am using a r9000 as the router paired with a TP link omada as the access point (wifi disabled on r9000)

I can't find another router that supports DD-WRT AND has a 10G SFP port- I have 2gig fiber so all of the routers with 1gbe dont't cut it. And yes the VLAN stuff is a massive pain, so I'm open to other suggestions
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ho1Aetoo
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Joined: 19 Feb 2019
Posts: 3793
Location: Germany

PostPosted: Mon Jan 05, 2026 15:09    Post subject: Reply with quote
If you use the SFP port as a WAN port, you will still only get 1 Gbit.

The switch chips in the r9000 are only connected with one gigabit.

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Last edited by ho1Aetoo on Mon Jan 05, 2026 15:15; edited 2 times in total
silvertonesx24
DD-WRT Novice


Joined: 06 Oct 2015
Posts: 20

PostPosted: Mon Jan 05, 2026 15:13    Post subject: Reply with quote
ho1Aetoo wrote:
If you use the SFP port as a WAN port, you will still only get 1 Gbit.

The switch chips in the r9000 are only connected with one gigabit.


I'm actually using the sfp port to connect to another dedicated 2.5gbe switch.

I'd love to simplify all of this into one router and dump the r9000 but I really need both 10gbe and 2.5gbe links
ho1Aetoo
DD-WRT Guru


Joined: 19 Feb 2019
Posts: 3793
Location: Germany

PostPosted: Mon Jan 05, 2026 15:21    Post subject: Reply with quote
Edit:

The only way to circumvent the limit is to use the SFP port for WAN and LAN.
However, this requires an additional managed 10Gbit SFP switch.
And the user who configured it this way wrote that the SFP port often loses the connection when you change and save something in the GUI.

https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=337430

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use Pi-Hole as simple DNS-Server with DD-WRT

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Nuor
DD-WRT User


Joined: 20 Apr 2015
Posts: 176

PostPosted: Mon Jan 05, 2026 21:50    Post subject: Reply with quote
My setup (1.4G modem <-> 2.5g lan - 10g spf+ switch <-> R9000 10g spf+ <-> 10g spf+ - 2.5g switch <-> 2.5 devices) has been pretty stable requiring only a couple of resets in the last few months. But I haven't tried the new core yet and remain on r62606.
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