I got a RB532 with 2 wireless links using vlans connected to a linux box.I dont use any filters or packages in RB I use it only for the wireless connection. Although signals are perfect and I have tried all possible channels speed is low. I cant get total more than 30mbps in/out. I have even overclocked cpu to 399mhz. Configuration is very simple just the links and I bridge vlan and wlan nothing else. I dont use tracking firewall. i use it like a bridge device. CPu is always 100% when total bandwidth is over 15-20 mbps. I expected to get better speeds even with 1 wireless link I cant pass over 25mbps with turbo (signal -50). Seems like hardware cant handle more.
I would love any tweaks or advice what to do to improve perfomance as this is too low I dont expect much from RB but these speeds are too low.
If I use filter firewall queues then RB is dead Links are in 5ghz band I have tried both turbo and non turbo without nstream.
(now i use version 2.9.38 in any case there are known issues with some versions)
Ok ethernet is limiting everything. I just do some bandwidth tests rb ↔ and maximum send or receive is 48mbps, around 25mbps for both send/receive test. Is that that RB can do for just only ethernet traffic?
I get 30mbps / 2, 15mbps each if I close #1link i get more speed from #2.
What I am asking is how much ethernet can handle because all I get is 25mpbs send & receive using bandwidth test between RB and pc without any links just testing.
My problem is network bandwith is low. If I use bandwidth test between RB (without any wireless cards ) and any PC. send or receive is only 48mbps. I have tested with different utp cables and network cards its the same. I have tested a 2nd RB with the same result. Shouldnt I get something like 70-80mbps?
Proxim Tsunami 100 can do this, however, they have to use up half of the entire 5GHz band (High and low), they also cost like $15000 per radio.
Wireless is only half duplex (if you could even call it that).
If you are looking for 100Mbps then you need 200Mbps data rate…
But wait… Add about 30% of that for overhead.
That would then leave you with 260Mbps wireless data rate to accomplish 100Mbps full duplex.
Then there is radio noise which reduces that data rate even more.
so
if interface can do send/receive - it is duplex link.
if interface can send AND receive it is full duplex as you can do both things simultaneously
if interface can send OR receive it is half duplex so interface can only send and while sending it cannot receive and vice versa.
that makes wireless interface half duplex
and physics is physics you cannot bend these rules - you cannot have 2 close links in close frequency with same polarization and not suffer from interference. this is general rule, so you can change polarization of one link and chose different frequency (non-interference) to make your link better. that was my point in previous post.
Check the CPU on the routerboard, since everything is mostly done in software I wouldn’t be surprised if the CPU is maxing out. Although if this is the case, the RB 150 doesn’t look like a very appealing product if it can’t route Fast Ethernet.
I DON’T SPEAK ABOUT LINKS, it’s becoming boring to mention that in every post. It’s all about data transfer via ethernet ports only 48mbps half or 25mbps full duplex is very bad and searching for the reason.
This is very funny… lol; you cannot be serious… how much are you expecting from a “standard” wifi link ? (even using turbo mode) … if you study the protocol you will understand that because it advertised as 54Mbps DOES NOT mean you wil get that. (NOT EVER, WITH ANY VENDOR). That is simply the over the air rate which is different from actual throughput. So 30 Megs is pretty good for a wifi connection.
And yup if you want more, you can do a interface bonding to get 100+ but otherwise be prepared to spend: 15k+
U Gotta relax meng and read! … Not to flame you here but lack of understanding usually leads to a disgruntled customer.
open you eyes ela the RB isnt design for bandwidth test
the bandwith test server is CPU hangry application so if u have rb532 and your test is like this
pc(with btest)---------------------RB532 ← in this case u are killing the RB CPU the 48mbps becouse the bandwith test server eating all the cpu power
pc(btest)--------ether1 “RB532” ether2---------pc2(btest as server) <— this is performance test that can tell you the real performance
test the board in this case and let me know how much you got
for your information only i make a link having -71/-73 signal and i got 37mbps with RB133 (using v3b7) which is only 175mhz and 32mb of ram
i think u can make a much much higher speed than me
i uesd turbo mode
in the same setup i got 21mbps using v 2.9.40
so we have abig faith on the v3 router the ping time become gr8
1ms 1ms 1ms 1ms 1sm timedout 1ms 1ms 1ms 1ms 1ms timedout
we hope mt guys working hard to fixes this and foucesing more and more and more in wirless interface packages to let the mikrotik number 1 wireless hardware
btw if u are looking for 1gigabit speed then go for lazer its the highest and cheapest point to point solution as i remember it cost arround 3000 USD
Links are in 5ghz band I have tried both turbo and non turbo without nstream.
