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Extreme Plus Plan

jimboden
I'm an Advisor

I have the old Extreme Plus Internet package, which has a download speed of 45mbps and an upload speed of 4mbps. I check my speeds with speedtest.net and the Rogers cable app every once in a while. I've noticed over the past few days that my upload speed is now 2mbps, but download is still normal. Does anyone know if Rogers can change the upload speed by doing something to my modem/router? I have the SMCD3GN.

 

 

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147 REPLIES 147

Re: Extreme Plus Plan

TeDD13
I'm a Trusted Contributor
Page 24 of the manual states that the default password is "password" 🙂

Before testing anything major make sure that your CGN3 firmware is 4.2.4.3. If not, just hold on until you get latest firmware pushed to your unit. It takes between 1-5 days.

Re: Extreme Plus Plan

TeDD13:

 

Thanks. I was looking in the Admin Overview section, and it's not there. The firmware version is 4.2.4.3. I'm trying to figure out all the jargon for setting up wireless, but not having much luck. Only experienced people and network admins could understand this stuff. The SMC was much more straight forward. I'll have to spend time reading the manual to make sense of it.

Re: Extreme Plus Plan

Let us know if you need help.  In the mean time, if your not sure what you are doing yet, go to WIRELESS.....BASIC SETTINGS and on the Wireless Enabled line on the left hand side, select OFF.  Save the settings and then choose the 5G tab just above and do the same.  That will turn off both wireless networks until you have a chance to read through the manual and prevent them from broadcasting with default network names and passphrases.  To change the settings however, you will have to turn the network back on, at which point you can make any changes you need and then save the settings.  With the networks running you will see the wireless network LEDs on the front of the CGN3 lit.  Turn them off and the LEDs should not be lit, indicating no network transmission.

 

As I was indicating earlier, you need to switch from WEP to WPA2-AES, given how unsecure WEP is now.  At 150Mb/s, and weak security, there is definitely a potential for a rather large unexpected internet bill, unless you were on an unlimited plan that is.



Re: Extreme Plus Plan

Datalink:

 

Thanks, I will do that. I'm having trouble figuring out how the CGN3 generates security keys. I tried clicking PBC and PIN with Push Button and Start, but both showed error when it finished whatever it was supposed to do. I thought it would generate keys, but I guess not. I'm not going to play around much more with this anyway until I get the ASUS, because I'm going to have to basically start over. I will also have to understand what the interaction is between the CGN3 and the ASUS after I bridge the CGN3 (i.e. which controls what).

Re: Extreme Plus Plan


@Datalink wrote:

As I was indicating earlier, you need to switch from WEP to WPA2-AES, given how unsecure WEP is now.  At 150Mb/s, and weak security, there is definitely a potential for a rather large unexpected internet bill, unless you were on an unlimited plan that is.


Also, isn't there a speed reason for WPA2-AES?

 

I forget which speeds it is (maybe all 802.11n speeds actually?), but some wifi speeds are only possible if you're running WPA2-AES, not WEP.

 

WEP needs to go. If you've got any 10 year old 802.11b devices, then... oops time.

Re: Extreme Plus Plan

You are absolutely correct.  From the following Intel page:

http://www.intel.com/support/wireless/wlan/4965agn/sb/cs-025643.htm

comes the following:

Symptom(s):

Client device's Wi-Fi data rate will not exceed 54 Mbps when wired equivalent privacy (WEP) or temporal key integrity protocol (TKIP) encryption is configured.

Cause:

The IEEE* 802.11n draft prohibits using high throughput with WEP or TKIP as the unicast cipher. If you use these encryption methods (for example, WEP, WPA-TKIP), your data rate will drop to 54 Mbps. The latest Intel® wireless adapter client drivers connect using a legacy IEEE 802.11g connection rather than failing to connect altogether, which complies with the IEEE 802.11n draft.

 

From another site:

 

The wireless N standard doesn't support WEP, so connections using this type of encryption will be limited to wireless G at 54Mbps, even when using N gear.

 

So, all the more reasons to move off of WEP.  If you don't, you wouldn't see anything higher than 54 Mb/s on your wireless even though with the combination of CGN3 and AC68U, you should probably see as much as 200 Mb/s or more on a 150 Mb/s service.



Re: Extreme Plus Plan

I will move off of WEP but, as a matter of interest, when I was playing with the CGN3 yesterday, I didn't even see a WEP option. Time to get down and dirty with the manual. One pleasant surprise I got was my old iPhone 4S is getting download speeds around 44mbps, which is close to double what they were with the SMC, plus the upload is just over 10mbps. One potential issue for security keys is my HP OfficeJet 8500 printer. It's over 6 years old and likely will only work with WEP, so I need to look into that.

 

Looks like my ASUS will be delivered today, so the fun begins. Smiley Very Happy

Re: Extreme Plus Plan


@jimboden wrote:

One pleasant surprise I got was my old iPhone 4S is getting download speeds around 44mbps, which is close to double what they were with the SMC, plus the upload is just over 10mbps.


Didn't we tell you to get rid of that SMC ASAP? 😉

Re: Extreme Plus Plan

VivienM:

 

Nag, nag. Smiley LOL

 

Actually, I've been pleasantly surprised at how the CGN3 is performing right out of the box and am looking forward to see what happens when I install the ASUS router. The only issue I have is my upload speed is only 10mbps instead of 15, but downloads are consistenly right on 200mbps. Smiley Happy

Re: Extreme Plus Plan

The upload rate is a little strange.  Can you log into the CGN3 and navigate to STATUS....DOCSIS WAN.  Copy the downstream and upstream tables and paste them into this thread.  You might have some issue with the cable power levels and signal to noise ratios.  Copy the tables only, none of the info that sits above the downstream table.

 

Here's a link to an online simulator for the AC68U user interface.  This works except for the fact that there is no hardware behind it:

 

http://event.asus.com/2012/nw/dummy_ui/en/index.html

 



Re: Extreme Plus Plan

Datalink:

 

If the dBmV is similar to cable, the signal seems low to me. Just checked signal levels on my 8300HD PVR and they are all much closer to 0dBmV than the CGN3's. The TV and Internet come out of one wall socket and have a splitter going to each. If I remember correctly, the SMC had better readings. Here you go:

 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Signal noise ratio (dB) Channel ID
1 693000000 256QAM -7.300 37.356 41
2 591000000 256QAM -6.900 37.356 1
3 597000000 256QAM -7.100 37.356 2
4 603000000 256QAM -6.800 37.636 3
5 609000000 256QAM -6.800 37.636 4
6 615000000 256QAM -8.100 36.610 5
7 621000000 256QAM -7.600 37.356 6
8 633000000 256QAM -7.000 35.780 7
9 639000000 256QAM -8.000 36.175 8
10 645000000 256QAM -7.500 37.356 9
11 651000000 256QAM -7.600 34.926 10
12 657000000 256QAM -8.100 36.387 11
13 663000000 256QAM -8.200 36.610 12
14 669000000 256QAM -7.100 35.780 37
15 675000000 256QAM -7.800 36.175 38
16 681000000 256QAM -8.800 36.387 39
17 687000000 256QAM -8.500 36.387 40
18 699000000 256QAM -8.700 36.387 42
19 705000000 256QAM -8.900 36.387 43
20 711000000 256QAM -8.900 36.610 44
Upstream Overview
Port ID Frequency (MHz) BandWidth Modulation Type Signal Strength (dBmV) Channel ID
1 30596000 6400000 ATDMA 49.000 2
2 23700000 6400000 ATDMA 49.000 3
3 38596000 3200000 ATDMA 51.000 1

Re: Extreme Plus Plan

You need to have a chat with tech support and get a tech out to your home.  Looks like you have a cable or connector problem.  You have at least one upstream channel which is at the upper limit.  The normal levels are 0 dBmV for downstream power with 37 to 40 dB Signal to Noise Ratio, and 37 to 40 dBmV for upstream Power levels.  Any higher on the upstream and you will start losing upstream channels.  Are you using a power bar of any type for plug in points or for surge suppression?  There have been a couple of cases that I have seen recently where the power bar was generating enough RF noise that it was bleeding into the RG6 cable, causing all sorts of problems.  Disconnect the power bar completely and the issue cleared up.

 

Looks like you have Internet and TV, do you also have home phone?  There is a loss thru the splitter depending on which port is feeding which device, but typically the end state power and signal to noise ratios should be closer to the nominal values.

 

Make sure that the RG6 cable connector at the back of the CGN3 is tight and if it tightens up at all, recheck those tables again to see if there is any improvement. 



Re: Extreme Plus Plan

Datalink:

 

Thank you. The CGN3 is less than a foot from a power bar which it's plugged into and is in the exact same location as the SMC was. Not sure what I can do about that, but will try moving the CGN3. I don't have the Home Phone service and use RON for everything while at home. All the connectors are fine and tight. I had techs out here a couple of times a few weeks ago to fix signal problems with my cable and they replaced some connectors. Also, there is a signal booster where the cable enters my part of the house. I live in a private home which is rented to 2 different tenants, and there are separate Rogers services for each. My ASUS delivery is confirmed for today, so will figure out if I can reconfigure things to keep the power bar away from the equipment. Not sure, though, as other things are plugged into it as well. I also have a UPS and the power bar is connected to it because the UPS, even though it has enough outlets, can only accommodate normal 3 prong connectors, not the "bricks" that most equipment use due to space limitations between the outlets.

 

Once I install the ASUS, I'll have a better handle on things. Even though the CGN3 signal is on the low side, its performance is pretty impressive. If all else fails, guess I'll have to get a tech out here again.

Re: Extreme Plus Plan

I've been playing with security settings on the CGN3 and found something interesting. When I reported that my iPhone was getting download speeds around 44mbps, I had the security set to open. I just set up a WEP key for now, which is the same as the key on my SMC. When I connect the iPhone and do speed tests, downloads have now dropped back to the low 20mbps range, almost half of what I was getting with no security. That's an unbelievable amount of overhead. Does this seem normal?

Re: Extreme Plus Plan


@jimboden wrote:

I've been playing with security settings on the CGN3 and found something interesting. When I reported that my iPhone was getting download speeds around 44mbps, I had the security set to open. I just set up a WEP key for now, which is the same as the key on my SMC. When I connect the iPhone and do speed tests, downloads have now dropped back to the low 20mbps range, almost half of what I was getting with no security. That's an unbelievable amount of overhead. Does this seem normal?


As Datalink has said above, you should be running WPA2 AES.

 

WEP, at least with standards-compliant devices, should drop you down to 802.11g speeds. I have no idea what speeds are permissible with open security...

Re: Extreme Plus Plan

Ok, from your description of your home, there might only be one line into the building, which is split at the entrance to the building and then split again for your internet and tv.  The problem is the loss that is incurred at each splitter and any possible loss before the cable even enters the building as it comes in from the tap.  Previously, with a lower data rate these losses did not matter.  Now that you are stepping up to 150/15 Mb/s, these losses do matter and your 10 Mb/s upload rate and high upstream power levels indicate that.  You will need the services of a tech to resolve that.  I would say that unless the losses can be corrected, and that might be hard given the split required within the building, the tech might have to run a second service from the tap in order to get the power levels back to where they need to be. 

 

The reason that I asked you to disconnect the power bar is that it possibly contains a metal-oxide varistor or similar component which is designed to prevent voltage spikes from reaching any equipment.  Sometimes the normal AC power switching back and forth can result in RF noise being generated by that component for some reason, causing problems as it conducts through the power cables and across to the RG6 cable into your modem.  If you have an extension cord or two, try swapping out the power bar for extension cords for test purposes.  You should do that and check the power levels and signal to noise ratios before calling tech support to have a tech come out to resolve the situation.  If it turns out that the power bar is the source of the problem, you would end up paying for the call. 



Re: Extreme Plus Plan

VivienM:

 

Yes, I understand that I should be using WPA AES and will when I set up the ASUS, which did arrive yesterday. I did WEP as a temporary measure so as not to leave the CGN3 open.

Re: Extreme Plus Plan

Datalink:

 

I think you're right about the setup coming into the house being the issue. However, I do have an extension cord ot two, and will give that a try first. Until this issue is resolved, I'm not going to install the ASUS, as that will just complicate things.

Re: Extreme Plus Plan

OK, I eliminated the power bar and plugged the CGN3 into an extension cord. If anything, the signal strength is worse than the first one I posted. This would seem to point to the incoming signal as the culprit. Here's the latest one:

 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Signal noise ratio (dB) Channel ID
1 645000000 256QAM -11.600 34.484 9
2 591000000 256QAM -10.600 35.595 1
3 597000000 256QAM -11.100 35.595 2
4 603000000 256QAM -11.100 35.595 3
5 609000000 256QAM -11.100 35.595 4
6 615000000 256QAM -12.100 34.926 5
7 621000000 256QAM -11.300 35.595 6
8 633000000 256QAM -11.500 33.377 7
9 639000000 256QAM -12.500 33.834 8
10 651000000 256QAM -11.400 31.994 10
11 657000000 256QAM -12.200 33.957 11
12 663000000 256QAM -12.900 34.346 12
13 669000000 256QAM -12.100 33.063 37
14 675000000 256QAM -12.000 33.834 38
15 681000000 256QAM -12.400 34.626 39
16 687000000 256QAM -12.500 34.346 40
17 693000000 256QAM -11.900 35.084 41
18 699000000 256QAM -13.700 33.834 42
19 705000000 256QAM -13.400 33.957 43
20 711000000 256QAM -12.500 34.346 44
Upstream Overview
Port ID Frequency (MHz) BandWidth Modulation Type Signal Strength (dBmV) Channel ID
1 30596000 6400000 ATDMA 49.000 2
2 23700000 6400000 ATDMA 49.000 3
3 38596000 3200000 ATDMA 50.500 1

Re: Extreme Plus Plan

Yes, those numbers are pretty bad.  What do you get for speedtest results?  You're running the tests on a wired connection correct?  Run the tests and give tech support a call.  I suspect a second test will end up as before with about 10 mb/s up, or worse. 



Re: Extreme Plus Plan

I turned the power bar back on and connected the CGN3 to it again. The results are almost exactly the same as when the power bar was turned off:

 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Signal noise ratio (dB) Channel ID
1 645000000 256QAM -11.900 34.626 9
2 591000000 256QAM -11.100 35.595 1
3 597000000 256QAM -11.300 35.595 2
4 603000000 256QAM -10.900 35.595 3
5 609000000 256QAM -11.100 35.780 4
6 615000000 256QAM -12.400 34.926 5
7 621000000 256QAM -11.900 35.084 6
8 633000000 256QAM -11.300 33.834 7
9 639000000 256QAM -12.300 33.834 8
10 651000000 256QAM -12.100 31.915 10
11 657000000 256QAM -12.500 33.957 11
12 663000000 256QAM -12.700 34.346 12
13 669000000 256QAM -11.600 33.063 37
14 675000000 256QAM -12.300 33.834 38
15 681000000 256QAM -13.200 34.082 39
16 687000000 256QAM -13.000 34.346 40
17 693000000 256QAM -11.800 35.084 41
18 699000000 256QAM -13.100 34.082 42
19 705000000 256QAM -13.300 33.957 43
20 711000000 256QAM -13.300 33.957 44
Upstream Overview
Port ID Frequency (MHz) BandWidth Modulation Type Signal Strength (dBmV) Channel ID
1 30596000 6400000 ATDMA 49.000 2
2 23700000 6400000 ATDMA 49.000 3
3 38596000 3200000 ATDMA 50.500 1