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Broadband

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The term broadband commonly refers to high-speed Internet access that is always on and faster than the traditional dial-up access. Broadband includes several high-speed transmission technologies such as digital subscriber line (DSL), cable, fiber optics, wireless (for which there is a separate topic), satellite and broadband over powerlines (BPL).

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No matter what router I use, I only get 30 - 50% of the internet speed through it.

If I connect a laptop directly to the Comcast modem, which is in "Bridge mode" so that the connected device gets a public IP address via DHCP, I get about 100mbps.  If I connect a router BETWEEN the modem and the laptop, the speed falls to 30-50.  There is NO OTHER device connected to the router or the modem.  I have confirmed this problem using a SonicWall TZ400, a Cisco RV180, an ASUS RT-N12, and a UTT ER518.  The issue remains for each of those routers.  I also used the same patch cables for each measurement.  Wireless is not involved.  

Why does this happen and how do I change it?
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I have a Domain(India Reseller Club) Which I hosted in a different hosting platform "freehosting"
i cannot open it in any device over my broadband but it opens easily in other network
i tried cleaning chache and all
 
when i ping the domain name it says host name not found
and when i ping server address i get replies
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Dear all,

I would like to seek for all experts for help.
My company has a fortigate 40C firewall, and recently it kept giving me problems, which WAN1 was intermitent down. And after several minutes, it auto connect back. I got checked in the log files, nothing that i can find from there. Is it due to heavy usage of internet that caused the WAN link was down?

May i know how can i troubleshoot for such kind of issue? Kindly please assist.

Thanks,
Kim
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I work in a hospital. We use the Stratus iPad app for interpretation.  We have a guest internet circuit that these iPads are on.  The circuit was recently upgraded from 35 Mbps to 100 Mbps. No other changes that i know of. Around that time the Stratus app stopped connecting. There is an asa 5505 on this circuit, but only default config is enabled.

 I took the ipad home and the app worked fine on my home wifi.  I ahve contacted the vendor and our ISP. Both claim it must be a firewall issue, but nothing has changed.  Any ideas?
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Virgin Media is my broadband provider in the UK.
I have members of my household utilising the broadband for running nodes etc for 24/7 bit coining mining etc.  Whilst this not only consumes wasted electricity that I am paying for, it is also consuming my bandwidth.

What settings can I change in my Virgin Media superhub to essentially block all these types of activities and others which I might not be fully clued up on.  I don't want to block individual PCs by mac filtering, only port numbers and such sites other than web sites and youtube etc.

I don't want to enter into any moral debates with individuals here either pls, just facts to block my router from running these type of services.
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I recently moved a small Call Center from one location to another. They contacted me late in the game to help them get a new call center setup with very little time. This left me with Comcast as the only ISP to choose from that could install services within their timetable. We decided to go with their new Gigabit package, which includes their new Gb modem. The client also chose to go with Jive for their PBX needs and subsequently ordered 20 Yealink T40P IP phones. Let the issues begin...

Comcast's modem would partially default to factory settings once a week. When I say partial, I mean things such as factory internal Gateway IP and Subnet revert back; passwords are set to default, yet the SSID's are still what we created. Comcast claims that they can ping the modem but when I test connectivity inside the modem to the internet I get 0/4 packets received. This test was run by the modem internal troubleshooting software. The Uptime clock inside the modem says 17,500+ days, which is not possible since we have reset the modem within the last 24 hours and we have only had the service for three weeks. We have factory reset the modem, replaced it with a new one, and we are still having the Yealink phones not obtain an IP address, or they have an IP address but say "No Service", even after they have previously worked. Phones continue to drop off of the network in that manner, and PC's that are using pass-through are losing connectivity as well. No matter how many factory resets on …
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my boss has an ...@btinternet.com email account on his iPhone. When  he's connected to talktalk broadband at his home, the account shows error 'port 993 timed out' when synchronising. If the phone is connected to another network or using 3G/4G, it works fine.

The error began a few days ago.

Steps taken;
-turned device off/on
-removed/re-added mail account
-tried toggling SSL on/off
-Spoken to ISP who were unable to help

I'm assuming this is simply an ISP fault but any help would be appreciated.

Thanks
John
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I have a network of about 30 users with a 100x100 fiber connection with Spectrum.  I am using a Sonicwall firewall.  I did a speedtest and saw 96 down and on 6 up so I called Spectrum and they told me we were over utilized and it was extreme.  My question is; how can I figure out what machine is using my bandwidth and narrow down my issue?
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I had this question after viewing Setup webcam to take photo every minute.

I don't even know if this is possible but I would like to automate a WiFi cam to email me a photo from my rooftop at regular intervals - say every half hour. I only want stills and want them emailed to a digital WiFi photo frame. The idea is to enjoy the view that I don't have but avoiding killing the broadband with continuous video streaming. I have heard about yawcam which seems to have this functionality, but appears to be for Windows only.
Thanks
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Hi

I am running a Asus router with Asus WRT-Merlin as the firmware.

Until recently I always used Google's DNS servers of 8.8.8.8 and 8.8.4.4 rather than my ISP's as I thought for international traffic there was a slight speed improvement and that has worked fine for years.

However I recently moved to a new property and as per usual was using the Google DNS servers and everything is fine for a few days until my broadband starts getting really slow and if I go and change the DNS servers to automatically use my ISP's the broadband speed goes back to normal again for a few days until the same thing happens and then I again switch back to Google and keep repeating this process for months now.

I am fairly technical when it comes to networks but I can't figure out why this would be the case that I have to change the DNS servers three times a week to keep my broadband speed consistent. I know that DNS servers could be experiencing a slow down so it makes sense to switch DNS servers for a while but to have to repeat this on such as regular basis seems to apply there is a something else up with either my broadband connection as a whole or my router. It's not such a hardship to make the change but would rather not have to do it if I can avoid it and I am more curious than annoyed with the situation.

If someone has any ideas about what is going on or ever heard of something similar before?

Doubt it helps or makes a difference but previously I have always lived in a …
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One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Hi.

My home broadband is, as I understand it, fibre to the local junction box (less than a mile away) and then very old copper to my house. When I first signed up a couple of years ago, I was consistently getting around 40Mbs down and 10Mbps up.

During this period ( the "golden age") , the line would occasionally "fail" but, as I'll explain,  with minimal impact to me. I say "fail" because Ping and TraceRT worked, but more importantly, using a VPN (Witopia), I could happily "punch through" the problem and reliably get my full 40Mbps. The ISP engineer would eventually arrive out, test the line, agree that it could support 40Mbs, agree that there was no problem in my house, go away, do "someting" and my connection would go back to providing 40mbs without the VPN. Happy days, indeed,

Sadly, back in May. at 23:36 one night, my line went down and when it came back *three* minutes later, my max speed had gone from 40Mbps to 22Mps (with upload going from 10Mbps to 3.3Mbps). Aargh! Unfortunately, I had neither the time nor the energy to get into an extended row with my ISP and "settled" for 30Mbps down, 10Mbps up (which I verified independently).

And now my latest situation - as of a week or so ago, performance has collapsed. Some times my line supports 30Mbs/10Mbps, but for extended periods, I'm getting some data, but usually not enough to even load a web page. Unless, of course, I use my VPN. But not all of its setups work - I get a perfect connection using …
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I'm trying to understand the assignment of IP addresses when the broadband modem (for example Draytek 130, which in the UK only operates in bridge mode) is separate from the router.

My understanding is that a bridge operates at level 2; it passes packets from one side to the other, converting between the different technologies at levels 2 and 1 (in this case between Ethernet on the inside and some-telephone-stuff (which I don't really understand) on the outside.  Therefore it has no IP address of its own, IP being a level 3 thing.

So if the ISP assigns an IP address to the subscriber of (say) 81.152.10.12, then that's what the WAN port of the router is, and the modem is transparent at the IP level.

But the manual for the Draytek modem says that if you connect a PC to the ethernet port it can get a DHCP address in 192.168.2.x.  That's the same ethernet port that bridges 81.152.10.12 to the WAN port of the router.  How can this be? Does the modem run a web server on some 192.168.2.x address at the same time as bridging the external IP address to the router?

Like this?  Have I got that right?
=====broadband==== MODEM ====81.152.10.12=== router
                     |
		     |--- 192.168.2.x ---- PC

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Hi there,

I have been on ADSL in my apartment for 5 years and only JUST found out that there is actually a fibre to the building connection which then branches out via VDSL to the copper of all the apartments, I am looking to switch over immediately. However I am hesitant to disconnect my current ADSL as I rely heavily on the internet and downtime would impact me badly.
I spoke to the company that provides the fibre and VDSL and they said that It is possibly I could have two connections running  (VDSL and ADSL) and that in my apartment complex they are completely seperate in terms of wiring. However this confuses me a bit as VDSL would be running through the same copper wiring that my ADSL is currently connected to right? (my modem would be plugging into the exact same place etc).

Would it be wise to disconnect the ADSL before I sign up with VDSL with this other provider? they would be sending out a technician to configure whatever needs to be done in the MDF room? and then set up the router etc. is that just meaning he would switch the inactive copper line (if there is one) onto the VDSL connection and then the VDSL modem would then be configured to detect that and run off of that? or do they not know what they are talking about.

Also is it possible to have the internet on VDSL and keep the phone number and line active with my old provider as I cant be bothered to switch that over aswell or is that not possible? I need to get this done ASAP so any help would be …
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We have MPLS connection 4 MB Internet. There are 25 Users in Network very poor internet here. I try contact service provider they said no problem in connectivity, probably in your network . How can i fix this issue.
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Hi All,

We got Linksys LGS552p switch, and TZ400 Firewall.
behind a "AT&T Modem"  , but we have external IP for the TZ 400.

I need to setup VLANS, 90 for workstations, 20 or servers and 50 for voice.

am I missing any hardware to route between the VLANS?
where should I start with first?


thanks
Jason
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hello dear,

i want a rdp with verizon mobile modem but i cant find out where i can buy . please help to find out .. i have attached a pic below i want rdp look like pic.
thanks
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Any idea how to fix this error?
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I have two locations with almost duplicate setups.  
Location 1:  On a network run by a PDC.  The ISP is a cable company.   The one office in this location has 3 computers all connected to the network via a Netgear 5 port switch.  But also connected to this switch is a DSL connection via a dsl modem line to a preset location..  When the users need to connect to this dsl line they just click on the shortcut created on their desktop that directs them to the preset IP address.   All other communication for everything else goes through the regular PDC/cable network.  Using DHCP and automatically sees PDC as DNS provider.  Works great.

Location 2;  On a network but run just by a router, not a PDC,  through the local Cable company.  Two computers connected via an identical 5 port Netgear switch as in the location 1.  They have the the exact same dsl line via the same dsl modem connecting to the same IP address as in location 1.  The problem is that you can only connect to one or the other in location 2.  If you want to connect to the dsl location via the dsl modem, you have to disconnect the cable from the router from cable company at the Netgear switch.   Or if you want to  use cable you need to disconnect dsl modem from switch.  Also running DHCP and DNS being provided by either the DSL or cable depending on which you are using.  

What would cause one to work and the almost identical one won't?
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I am trying to connect to a VPN using a Virgin Media and each time I try it states an error message. I was wondering if there is an settings within the router that need to be enabled/disabled? I would be grateful with any ideas. Thanks
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Free Tool: SSL Checker
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One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Does anyone have a working config for this?
srxconfig.txt
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Comcast EDI is setup and working with Layer 3 IP and gateway but need access to usable IP Ranges for external printing routing to internal printers, tried one to one nat but didn't seem to work?  Comcast engineers weren't very helpful, so I need the experts help
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Hello,
we have a TZ-210 wireless that need to change a couple of things on.  

We are connected to a comcast business gateway device.  It has wireless and we use that as an outside wireless,  It is not setup to access the internal network.  When we setup a laptop of phone we use that for VPN testing and remote connectivity.  I have 2 issues.

1. I cannot connect to the management interface on the modem, it is the default 10.1.10.1.  It keeps getting dropped in the firewall.  What rukes do I add to tallow this?
2. We cannot send email from our mobile devices when connected to the Comcast wireless.  I would expect it to be a rule as well, but I'm not sure what to add to make this work.

We want to keep the comcast wireless off the internal network. But we need to access the management interface, plus some of the users need to be able to send via exchange when using devices or phones and sending exchange email.

Thanks.
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Over the past few weeks my laptop has appeared to be non-responsive. Running speedtests shows the download speed is fine, but the upload will start strong, then the test just seems to hang. I've tried multiple browsers, uninstalled the antivirus, turned off the firewall and Bitdefender but nothing seems to help. Thinking it was the router, I ran a speedtest tethered to my phone, but similar results. Another laptop worked fine with the router as well.

I see no issues in event log, and I tried to update the wireless drivers but it was up to date. I'm not sure what my next step should be.

Thanks for any help.
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I have 5 IP's assigned by AT&T to me on my On Demand Fiber circuit, but I only have 1 public address to the WAN. How do configure my 3 TZ300 to each use one of the assigned IP address and each to be a DHCP server?
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I have an internet semi leased line purchased it for business purpose (250 Mbps).

I've recently purchased a new wireless router (Dlink-DIR-842) and placed it in office for internet access. Initially when i setup the wireless router, i was getting speed of 35Mb UP 32Mb Down when over the wireless. All of a sudden, the wireless has gotten very very slow and i see only 3 Mb up/1Mb down sometimes not even 2Mbps. But when i connect thru LAN, it give me damn good speed upto 75up/80down. As a workaround, I've tried changing the wireless channel from Auto to 6 and then to 11 but none of them has changed anything.

Confirmed that there is no issues with the line as it give almost near to what ISP has promised if i connect directly. Any suggestion for the wireless settings?


I presume the issue is with Router itself. Also, Dlink-DIR-842 doesn't have much settings options where i could look for some sort of troubleshooting.

Screenshots of the settings are attached for your reference.
Advance.PNG
Management.PNG
Settings.PNG
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Broadband

10K

Solutions

14K

Contributors

The term broadband commonly refers to high-speed Internet access that is always on and faster than the traditional dial-up access. Broadband includes several high-speed transmission technologies such as digital subscriber line (DSL), cable, fiber optics, wireless (for which there is a separate topic), satellite and broadband over powerlines (BPL).