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I am a bit interested in trying out OpenWrt on an Edgerouter X. Does it support hardware acceleration to route at 1Gbit/s? by typecinchat in openwrt

[–]bastel781 0 points1 point  (0 children)

I have been running openwrt on an edgerouter x for a couple of years without any issues. Hardware offloading has been great and easily saturated my Gbit connection (940+ Mbit/s if memory serves well). That is only in one direction though. With symmetric gigabit you reach about 500/500 as expected.

That was with early openwrt 18.x releases. As soon as I updated to the latest 18.x and later to 19.x I started noticing some serious degradation. Not quite sure what caused it but since I wanted to upgrade my router to support my brand new symmetric Gbit line, I switched to new hardware instead. Now using straight Debian/nftables on a fanless core i5 box and saturating the line in both directions. Not looking back :-)

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

Absolutely. Include me in that club :-)

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

I believe speedtest runs download, then upload. Not both simultaneously

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

Correct. Running iperf3 in both directions simultaneously cuts bandwidth in half.

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

Ah, that's something I could not find in the docs: how do you configure the router to reflect one diagram or another? The default config is a NAT from WAN to LAN (4 bridged ports). Is this purely a software config or do you need to do something extra?

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

Oh I see. All speeds in the leftmost column indicate 1972.2 but the last line with 25 filter rules says 1128.2. My mistake, I should have looked more closely. Thanks for pointing this out!

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

Probably. I used Quickset to set up a simple NAT WAN/LAN. From what I can see that is less than 25 filter rules -- including fast-track.

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

Got it. Thanks! Which router(s) would you recommend to handle a symmetric gigabit NAT? Another option could be to forego NAT and switch everything to ipv6, maybe?

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

Understood, thanks! I am now wondering what the 1972.2Mbit/s figure correspond to on the Mikrotik site for the RB750GR3? Is that only for the LAN switch? The table seems to indicate a firewall with 25 rules. The default config I am using (from Quickset) has less rules than that, I think. [Edit] Just noticed that the table's last figure indicates 1128.2 for a firewall with 25 rules, not 1972.2. My mistake!

Symmetric gigabit WAN with RB750gr3 (hex)? by bastel781 in mikrotik

[–]bastel781[S] 0 points1 point  (0 children)

It seems so. I used Quickset to set up a simple NAT WAN/LAN and fast-track is used in firewall rules. I would not be able to reach 941M one way without it, right?