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Solved
R7000 issue with WAN speeds
Disclaimer: both of my R7000s are more than 2yo so they are not under warranty.
Preambule: I had Comcast 100/20. Switched to WoW 500/50. I have two R7000. RouterA acts as a router (DHCP/ACL and so on); RouterB acts as an AP.
Issue: Once switched to WoW I was not able to get more than 350mbps down when wired into RouterA. When wired into the cable modem directly - I'm getting 500mbps down.
What was done: currently not using RouterA absolutely - WoW rented me a Gateway that acts as DHCP server now. RouterB is still hardwired into this gateway via Gigabit switch.
That being said, my network looks like that now:
- Wired devices: Cable Gateway - > Gigabit switch -> hardwired device
- WLAN: Cable Gateway -> Gigabit swith -> RouterB (in AP mode) -> WLAN device
I have four devices hardwired into Gigabit switch - all are showing 500mbps down. Once I take one of these devices and hardwire it into RouterB's gigabit LAN port - down speed is capped at 350mpbs. Makes no sense since R7000 in AP mode makes no routing decisions and has QoS and WAN settings disabled by default.
Anyone had this issue before? Is it firmware issue? Bug? Or some setting that had been set before the router was switched to AP mode and it got greyed out?
- This is a known issue. AP mode disables hardware acceleration between the WAN and LAN ports. The workaround is to connect the R7000 to the network via one of its LAN ports. IOW, leave the WAN port disconnected. Note: You will lose the ability to log into the router's setup pages. Move the cable back to the WAN port for maintenance. Alternatively, disable AP mode and disable the DHCP server. Assign a sensible, unused IP address in the subnet. Then connect via the LAN port.
21 Replies
Seems like you are experiencing a similar issue to what I am seeing on the R9000, in that WAN to LAN routing is causing a reduction in bandwidth. In my situation if I connect directly to the modem then my download speed is roughly 960Mbs, but if I connect via the R9000 then I can only see around 820Mbs.I dont have any answers but you are not alone. I am thinking of trying dd-wrt to see if this is a firmware thing or a hardware thing.
Chins wrote:Seems like you are experiencing a similar issue to what I am seeing on the R9000, in that WAN to LAN routing is causing a reduction in bandwidth. In my situation if I connect directly to the modem then my download speed is roughly 960Mbs, but if I connect via the R9000 then I can only see around 820Mbs.I dont have any answers but you are not alone. I am thinking of trying dd-wrt to see if this is a firmware thing or a hardware thing.
Amen to that, brother. I'm considering two options at the moment:
1. Resetting my routers to factory defaults (hard reset)
2. Going down the rabbit hole with DD-WRT...
Solved an issue on my RouterA (which was acting as a router). It seems like disabling "AIRTIME FAIRNESS" feature brought the download speeds on this router to full 500. RouterB, however, (the one that is acting as an access point) is still capped at 400mbps even with this feature disabled. I'm continuing investigation.
- This is a known issue. AP mode disables hardware acceleration between the WAN and LAN ports. The workaround is to connect the R7000 to the network via one of its LAN ports. IOW, leave the WAN port disconnected. Note: You will lose the ability to log into the router's setup pages. Move the cable back to the WAN port for maintenance. Alternatively, disable AP mode and disable the DHCP server. Assign a sensible, unused IP address in the subnet. Then connect via the LAN port.
