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Solved
Orbi RBR050 100MBps speed drop between PC and modem via Orbi
Hi
I have recently upgraded from 500MBps to 1GBps package with Virgin Media. I was sent a VM Hub 5 as part of this upgrade.
I have noticed this download speed test difference.
I have the following components:
1) PC (1 x 2.5Gbps port - Intel I225-V controller on Asus Z490-F motherboard)
2) Orbi RBR050 (4 x 1Gbps ports)
3) Virgin Media Hub 5 (1 x 2.5Gbps, 3 x 1Gbps ports)
4) cat 6/7 cables
Scenario 1
PC 2.5Gbps --> cat 7 --> Hub 5 2.5Gbps (router mode) achieves 1130Mbps download speed according to Ookla Speedtest
Scenario 2
PC 2.5Gbps --> cat 7 --> Orbi 1Gbps --> cat 6 --> Hub 5 2.5Gbps (modem mode) achieves 940Mbps download speed according to Ookla Speedtest
Why is scenario 2 approximately 100Mbps slower?
Regards
Chris
Because the RBR50 has only gigabit Ethernet interfaces (on both WAN and LAN ports).
The highest transfer rate through gigabit Ethernet is slightly less than that because there is some "overhead" in Ethernet communication. (spaces between packets. packet 'wrappers', etc.)
9 Replies
Because the RBR50 has only gigabit Ethernet interfaces (on both WAN and LAN ports).
The highest transfer rate through gigabit Ethernet is slightly less than that because there is some "overhead" in Ethernet communication. (spaces between packets. packet 'wrappers', etc.)
Actually worse than that. Both the WAN port and at least one LAN port would have to be greater than 1 gigabit Ethernet.
There are lots of routers with a WAN speed higher than gigabit. It's the LAN side that is the issue. (Notice the Virgin hub has only a single 2.5G port. What most 'speed conscious' users do is connect the single 2.5G port to a 2.5G switch and then hook their array of speedy devices to that switch.)