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ASUS RT-BE88U 10G Copper and Fiber ports

R

RC3H1

New Around Here
Hi all. Really interested in buying a BE88U for the number of 2.5G and 1G ports though I am needing to clarify two things.

1) On the BE88U, there are two 10G ports, one copper and one fiber. I am wanting the 10G copper port on the BE88U to connect to my 10G Google Fiber Box (GR6EXX0C) at 10G. This is a WAN port so this should work. I also want to utilise the 10G fiber port on the BE88U though this would connect downstream to a third-party switch that has 10G fiber also. Would this work given it may be a WAN port instead of LAN? I can tell with the documentation so far.

2) If the above works, does the BE88U support 802.1q tagging? Ideally I would like to do VLAN tagging to the 10G fiber port on the BE88U. My Third-party switch supports tagging.
 
According to this user what you describe on your first point should work, although the box of the device suggests otherwise.

Point two definite 'works'*.

*results might vary
 
Thanks
vlanvlan said:
According to this user what you describe on your first point should work, although the box of the device suggests otherwise.

Point two definite 'works'*.

*results might vary
Click to expand...
Thanks, I did order one. Will try it out when it arrives next month.
 
vlanvlan said:
Please post some feedback once you've set it up. I'm curious what the deal is with the box saying its 10GB LAN/WAN *or* SFP.
Click to expand...
That's just meaning the WAN connection can be via either the 10G WAN/LAN or the 10G SFP+ port, or the 2.5G WAN/LAN port. Doesn't mean they share. Whichever is not used for WAN is available for LAN.
Screenshot_2025-02-22-20-30-43-50_99c04817c0de5652397fc8b56c3b3817.jpg
 
Ripshod said:
That's just meaning the WAN connection can be via either the 10G WAN/LAN or the 10G SFP+ port, or the 2.5G WAN/LAN port. Doesn't mean they share. Whichever is not used for WAN is available for LAN.
View attachment 64057
Click to expand...
Ah I see, I interpreted that different. Can someone confirm that the 10G SFP+ internally is referred to as eth9?
 
RC3H1 said:
Hi all. Really interested in buying a BE88U for the number of 2.5G and 1G ports though I am needing to clarify two things.

1) On the BE88U, there are two 10G ports, one copper and one fiber. I am wanting the 10G copper port on the BE88U to connect to my 10G Google Fiber Box (GR6EXX0C) at 10G. This is a WAN port so this should work. I also want to utilise the 10G fiber port on the BE88U though this would connect downstream to a third-party switch that has 10G fiber also. Would this work given it may be a WAN port instead of LAN? I can tell with the documentation so far.

2) If the above works, does the BE88U support 802.1q tagging? Ideally I would like to do VLAN tagging to the 10G fiber port on the BE88U. My Third-party switch supports tagging.
Click to expand...
This should pose no problem, to clarify, it is not a fiber port but an SFP+ port so you can choose to connect based on fiber (SFP+) but UTP (SFP+) is also still an option.

I have the SFP+ (fiber) connected to a Zyxel switch and the WAN/UTP to my provider ONT which is a 10 GBps connection. I think I can also switch this around if I wanted to. Maybe in the future I wil do this to remove the ONT of my provider and connect fiber straight to the RT-BE88U.

802.1q tagging is supported, I need to apply VLAN 300 to my provider this way.
 
vlanvlan said:
Ah I see, I interpreted that different. Can someone confirm that the 10G SFP+ internally is referred to as eth9?
Click to expand...
Well. I am using the 2.5G WAN/LAN port for my WAN and both the 10G port and the SFP+ port (with a multi-rate 10Gbe capable twisted pair module) on my LAN.

ethtool appears to confirm that both eth0 and eth9 are 10Gbe ports:
Code: 
wade@Hagrid:/tmp/home/root# ethtool eth0
Settings for eth0:
        Supported ports: [ TP ]
        Supported link modes:   100baseT/Half 100baseT/Full
                                1000baseT/Full
                                10000baseT/Full
                                2500baseT/Full
                                5000baseT/Full
        Supported pause frame use: Symmetric Receive-only
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes:  100baseT/Half 100baseT/Full
                                1000baseT/Full
                                10000baseT/Full
                                2500baseT/Full
                                5000baseT/Full
        Advertised pause frame use: Symmetric
        Advertised auto-negotiation: Yes
        Advertised FEC modes: Not reported
        Speed: 10000Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 9
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: Unknown
        Link detected: yes
wade@Hagrid:/tmp/home/root# ethtool eth9
Settings for eth9:
        Supported ports: [ TP ]
        Supported link modes:   100baseT/Full
                                1000baseT/Full
                                10000baseT/Full
                                2500baseT/Full
                                5000baseT/Full
        Supported pause frame use: Symmetric Receive-only
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes:  100baseT/Full
                                1000baseT/Full
                                10000baseT/Full
                                2500baseT/Full
                                5000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Advertised FEC modes: Not reported
        Link partner advertised link modes:  100baseT/Full
                                             1000baseT/Full
                                             10000baseT/Full
                                             2500baseT/Full
                                             5000baseT/Full
        Link partner advertised pause frame use: No
        Link partner advertised auto-negotiation: Yes
        Link partner advertised FEC modes: Not reported
        Speed: 10000Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 7
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: Unknown
        Link detected: yes
wade@Hagrid:/tmp/home/root#
 
WTOram said:
Well. I am using the 2.5G WAN/LAN port for my WAN and both the 10G port and the SFP+ port (with a multi-rate 10Gbe capable twisted pair module) on my LAN.

ethtool appears to confirm that both eth0 and eth9 are 10Gbe ports:
Code: 
wade@Hagrid:/tmp/home/root# ethtool eth0
Settings for eth0:
        Supported ports: [ TP ]
        Supported link modes:   100baseT/Half 100baseT/Full
                                1000baseT/Full
                                10000baseT/Full
                                2500baseT/Full
                                5000baseT/Full
        Supported pause frame use: Symmetric Receive-only
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes:  100baseT/Half 100baseT/Full
                                1000baseT/Full
                                10000baseT/Full
                                2500baseT/Full
                                5000baseT/Full
        Advertised pause frame use: Symmetric
        Advertised auto-negotiation: Yes
        Advertised FEC modes: Not reported
        Speed: 10000Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 9
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: Unknown
        Link detected: yes
wade@Hagrid:/tmp/home/root# ethtool eth9
Settings for eth9:
        Supported ports: [ TP ]
        Supported link modes:   100baseT/Full
                                1000baseT/Full
                                10000baseT/Full
                                2500baseT/Full
                                5000baseT/Full
        Supported pause frame use: Symmetric Receive-only
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes:  100baseT/Full
                                1000baseT/Full
                                10000baseT/Full
                                2500baseT/Full
                                5000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Advertised FEC modes: Not reported
        Link partner advertised link modes:  100baseT/Full
                                             1000baseT/Full
                                             10000baseT/Full
                                             2500baseT/Full
                                             5000baseT/Full
        Link partner advertised pause frame use: No
        Link partner advertised auto-negotiation: Yes
        Link partner advertised FEC modes: Not reported
        Speed: 10000Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 7
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: Unknown
        Link detected: yes
wade@Hagrid:/tmp/home/root#
Click to expand...
Thanks for clarifying!
 
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