Thanks, JinXXX. I'm gonna try to wrap my head around that and see if I can get it working.

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Added on February 21, 2012, 9:46 amAnybody wanna try out IPv6 on their Mikrotik router. My config below. This is using 6to4 anycast relays.

My IPv6 config for my Mikrotik RB750GL.


175.139.x.x is current IP address.
2002:XXXX:XXXX:1::1 is the IPv6 address calculated based on the above IP. Just convert IPv4 to hex.
This needs to be updated every time you get a new IP from UniFi.

IPv6 DNS from OpenDNS: 2620::ccd::2 and 2620::ccc::2

Did you know www.v6.facebook.com has an IPv6 address of 2620:0:1cfe:face:b00c::3

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Added on February 24, 2012, 12:58 pmHey guys, Landasan has stocks in for RB750GL & RB751U-2HnD. Receptionist wasn't sure about RB751G. Prices are good too. Will probably be picking up a unit or two.

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Added on February 25, 2012, 3:14 pmWent to Landasan yesterday and bought a RB751U-2HnD to play with. Will be testing out its wifi range this weekend. Also had a hands on look at the Omnitik, Groove, SXT and other Mikrotik stuff. They have a lot of stuff in stock but no RB751G-2HnD.

This post has been edited by soonwai: Feb 25 2012, 03:15 PM

What performance are you looking at? The switch, routing, VPN? RB750GL doesn't have WiFi.

The only speeds I know of is the VPN throughput. Someone did a test with AES128 and got about 12mbps. The Draytek 2130 I think only managed about 2mbps. n56u doesn't have a VPN server. The new n66u has (which doesn't work according to smallnetbuilder). This benchmark will be a good test for the cpu.

Ethernet throughput you can see here in various conditions. http://routerboard.com/RB750GL

If you're not interested in other features then I think the RB750GL is the perfect router for you. It doesn't have any fancy features but has every feature a router should have and, most importantly, accessible to the user in a relatively simple manner.

Will do. Get back to you soon.

Dataran Prima, PJ, full address from website. mikrotik.landasan.com.my

BTW, when I went to LYP to buy WR841ND, one of the shops I went to was CZone. They also have the RB750GL and RB751U-2HnD in stock. Prices are, get ready for it, 359 and 459.

This post has been edited by soonwai: Feb 26 2012, 11:19 PM

Wow, this RB751U-2HnD is giving me headaches. The wireless part has so many options. Out of the box, I can't connect to it from my MacBook, "Connection timeout". Changed channels on the RB751 and it's OK. Maybe power too high. Router just a few feet away from devices. I dunno. I think better get some sleep first.

@JinXXX what's your wlan1 settings for the RB751U? Can you do a /export for me please? Thanks!

Supports both, it's a 2010 MBP, but that shouldn't matter right? I know that the RB751U is 2.4Ghz only. Also iPhone/iPad has the same problem using the RB751U default config. Sometimes it connects but it's very, very slow. I changed the RB751U wlan1 freq from default 2412 MHz to something else, e.g.: 1452, and it was OK. You think it's just interference?

weikee, JinXXX, thanks. The "snoop" function is useful. I chose a less crowded channel. My MBP shows that I'm connected at 117mbps (MCS 14). Not sure why it's only 20Mhz. I reduced the TX Power because the MBP is just a few feet from the RB751U and did a bTest and got about 75mbps sustained.

What do you guys have as your tx-power-mode and tx-power?

JinXXX, what's the frequency of the dropouts that you were having? I've been sitting in front of the computer looking at Winbox Profiler, running btest from RB751U to my MBP (on wifi) for the past 10 minutes and haven't seen any throughput dropouts or Flash process 100% CPU yet. Does yours happen with btest, data from the net or from LAN client? I will try again later with an actual download from the net.

This post has been edited by soonwai: Feb 29 2012, 10:55 AM

Ok, mine came ootb with 5.12 but I upgraded it to 5.14 (& firmware 2.38, I think) before I started testing. Anyway that unit was for my friend and he's taken it. But I've got another one from Landasan today so I will test it again while connected to UniFi.

Wish they had the RB751G though. Aside from the GB ports, it has 64mb ram vs 32mb.

This post has been edited by soonwai: Feb 29 2012, 06:05 PM

I'm in a double storey terrace also. Actually there're not that many APs around. On channel 1, I see about 3-4 SSIDs. The strongest one is my neighbors (DIR-615), it's directly one floor down and 5 feet away. The other 3 networks are quite weak (< -90dBm). That's why I find it strange that I cannot connect to the RB751U on channel 1 but as soon as I change its radio to, say channel 8, it was fine. Wierd.

Anyway I setup the RB751U for my friend today. He was using DIR-615 previously and had very weak connections in his living room downstairs and none whatsoever in his porch. The router was in upstairs back room like mine. Smaller house too. I think, 18x65 but his house is packed with a lot of rubbish and there're a lot more APs around. The RB751U made a huge difference. Now he can get 3 bars on his iPhone at his porch. Needless to say he's quite happy about it.

This post has been edited by soonwai: Feb 29 2012, 07:53 PM

@JinXXX Finally I managed to do a test with the RB751U-2HnD v5.14 downloading from iTunes. No dropouts experienced.



The width of the graph is 3 minutes.

Has anyone managed managed to connect to this router at 300mbps? The best I get is 130mbps, MCS 15 from a 2010 MacBook Pro, Broadcom chipset I believe. Can't seem to get it to connect with 40MHz channel width.

This post has been edited by soonwai: Mar 1 2012, 12:07 PM

Seems to be OS X limitation, design or otherwise. My MBP can only connect at 300mbps @ 5Ghz, max is 130mbps @ 2.4Ghz. I read that if I boot up in Windows on the MBP, I should be able to get 300 @ 2.4 GHz. I guess Steve Jobs decided that we don't need 300 @ 2.4Ghz. Oh well.

Interface

I noticed the TX drops but not sure when it happened, it hasn't increased in the past day or so.

Bridge


What throughput are you guys getting when copying files from another LAN device over WiFi?

MacBook <----WiFi---- RB751U-2HnD <---LAN---- Server

Copying from my file server, so far I've gotten a max of 2.8 megabytes/s. Even when the router shows my MacBook's WiFi is connected at 117mbps/130mbps? I'm quite sure I get better speeds than this with Airport Extreme at 2.4Ghz.

This post has been edited by soonwai: Mar 2 2012, 05:42 PM

22hrs and counting. Actually should be +7 hrs because I rebooted manually at 1am early this morning. The last time it rebooted it self was 4:40pm yesterday but I was out at the time so I don't know what happened. TX drops hasn't increased. I'm monitoring profiler also and so far haven't seen Flash 100% yet.


How fast can you get the wlan to run at? 30mbps, is my the fastest I can get so far. This is without any encryption. With WPA2-AES, the best I get is about 25mbps. This is Server --LAN--> RB751 --WiFi--> MacBook, transferring one file.

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Added on March 2, 2012, 11:45 pmI don't have any Windows PC/notebook in my house. Maybe I ask my neighbor to come and try tomorrow. Still haven't had the chance to do a Skype call so I just did a Skype Test Call, audio only, that was uneventful.

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Added on March 2, 2012, 11:50 pm
This is my friend's RB751U. I know they Skype almost everyday and for hours. You wouldn't believe what for. Dad points the notebook cam at Astro and the daughter in Tasmania watches it over Skype.

Also on 5.14 like mine. This household is all PC.

This post has been edited by soonwai: Mar 3 2012, 12:11 AM

Sometimes need to copy big file over wifi, very slow. Normally when I work, I'm connected via GBLan.

Right now I see my wifi is connecting 130/130 but transfer file still 30mbps. Not a big deal lah but just want to see if I'm configuring something wrong.

Nice.

Why do you have a LocalLAN Bridge?

True lah. we'll never get 130mbs.

I just don't understand why it's slow in one direction.

Using iperf with -P 10 (actually 6-7 streams already enough), I can get around 75mbps from MacBook to router to server. The other way around the most I can get is 25mbps (30mbps without encryption). And CPU usage is quite high, 50-60%, during the iperf test.

This post has been edited by soonwai: Mar 3 2012, 12:09 PM

Flash 80% CPU, can still login via winbox, still responding to pings, ssh/webgui not responding, wifi clients can't connect. Happened this morning, not sure what time but I only realized it at around 11am.

Overnight was downloading just one well-seeded torrent over lan and seeding about 10 others but less than 1mbps upload in total. Nothing else.

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Added on March 3, 2012, 4:55 pmJust like an ip address, drop the leading zeroes. :-)

This post has been edited by soonwai: Mar 3 2012, 04:55 PM

Oh my Rb751U-2HnD. It's kinda happening again. For the last 5 mins or so, I was watching the Flash process in Profiler fluctuating between 20 & 80%. Now it seems to have stopped. No entries were written to the log. Sector writes in Resources did not increase. Nothing on the network stressing the router. No downloads going on.

My NAT just got 1 srcnat for masquerade and 1 dstnat for port forwarding to my FTP server. At the moment there 33 other UPnP dynamic entries in my NAT table. I think mostly BT. Traffic isn't very high at the moment.

I just noticed in Profiler, an unclassified process going from 0-20% periodically. Anyone know what this is?

I thought classes didn't matter anymore with subnet masks. I'm using 10.0.1.0/24. Yeah, I know it used to be a Class A but mine's a /24. Shouldn't matter right?