Questions tagged [isp]

An Internet service provider (ISP) is a company that provides access to the Internet. Access ISPs connect customers to the Internet using copper, wireless or fiber connections.

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How are third-party providers (e.g. Huawei) supposed to unintentionally take over control of their products?

In Germany, it was/is being discussed whether telecommunications providers must replace hardware and software from Chinese companies such as Huawei. The reason given is that the foreign companies ...
JJandke's user avatar
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How to combine two ISP network?

I want to experiment combining Cable Internet with AT&T U-verse twisted pair Internet. So basically, AT&T U-verse was very reliable, but only gets about 25Mbps Comcast can go up to 1200Mbps, ...
Stefanie Gauss's user avatar
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How to change or clone ONU pon mac adress? And I want to know which model of ONU will get this benefit

ISP is blocking me everytime from OLT my anu's MAC address.that's why I need to clone or change my MAC address.how can i change it. I would like to know if I will get this benefit if I use ONU of any ...
freindly khan's user avatar
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How to bypas isp "blocking" port forwarding (multiple devices, same ip)?

My isp seems to assign 1 public ip to multiple users that are not on my network. which ruins port forwarding. Any way to bypass this. scanning my ip with nmap shows the desired port. but it doesn't ...
SomeOne3457's user avatar
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1 answer
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Anyone familiar with firewall CMD code. Or how to stop ISP

Looking on a website and they say that this helps to stop isp from throttling your speeds. Is this true? netsh advfirewall firewall add rule name=”StopThrottling” dir=in action=block remoteip=173.194....
Learn Everything's user avatar
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Arris Wifi will not let me connect more than 2 devices

Just got internet installed today and I cannot connect more than 2 devices at the same time. The device, is a wifi router / modem and it is an Arris DG2470. I can only connect 2 devices via wifi or 1 ...
Amset's user avatar
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2 votes
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How can I check if my website is not accessible via a certain ISP without being connected to that ISP?

Sometimes due to DNS issues on ISPs, my website isn't accessible in some of the ISPs. It's not possible for me to connected to every ISPs. But I know the range of IP addresses of each ISPs. How to do ...
barnyard9's user avatar
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How ISP limits the speeds? [closed]

Technically I can enjoy the maximum internet data speed, but ISP will only allowed the set limit, how does ISP does that? And how does it do it for both uplink and downlink? Does it set max limit to ...
Someone's user avatar
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Port forwarding not working at all even when all inputs are correct

I have been trying to port forward my modem, unfortunately ONLY the ports in the UNPN list actually work, bad thing is, you cannot add ports to the UNPN list, there is no button or option to do so in ...
NeatPace's user avatar
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How to setup a VPN on a Fritzbox 6690 Cable without IPv4

So I have a Vodafone Contract and need to route all my traffic through a VPN. Unfortunately they only provide IPv6 adresses and handle IPv4 trough DS-Lite. I called with customer support and it's not ...
C5H8NNaO4's user avatar
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Recurring issue of random websites experiencing timeouts in home network until router reset

I am encountering a networking issue for many years now, and mysteriously the only common factor across these years is... me. Which doesn't make any sense, so I've finally decided to ask here. So, the ...
CherryDT's user avatar
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Cisco RV340 2 ISP IP Addresses

I have a modem from my ISP set to bridge. In order to compensate for any changes that might happen in my IP allocation from my ISP I am using a Dynamic DNS which I update from the router itself. When ...
ackerchez's user avatar
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4g vs 5g ping in india

I am playing an online game and get ping as follows - With 4g - 150ms With 5g - almost 145ms These are my two questions I didn't found on Google or chatgpt. Why does it has almost the same ping ...
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Can YouTube (e.g.) send a video file once and multiple users stream it?

Can YouTube (e.g.) send a video file once and multiple users stream it? Or does YouTube need to send the file to each person individually, even though all of the users live in the same region? If it ...
Someone's user avatar
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connect 2 router remotely on differnet isps and locals

In my scenario (as shown in the picture), a router is located in a country or city that passes through the ISP filter to access a specific domain, and therefore it has limited access to the internet. ...
marya9011's user avatar
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In a GPON network, running wireshark captures SIP phone calls from other users

I plugged my laptop into my ONT and fired up Wireshark. To my surprise a lot of SIP packects were present, and I could see phone numbers of other costumers, and the people they called. I didn't ...
flyrelay's user avatar
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How to connect ONT to a non-ISP provided router?

My final objective is to load balance the internet signal from two different ISPs and distribute that through a mesh network. My initial setup was the following. I have a cable modem from which I ...
GuiRitter's user avatar
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Routers can not obtain DHCP lease from modem, but PC can

I have two different routers from different brands, neither of which can obtain a DHCP lease from the modem. But if I connect a PC directly to the modem, it obtains one connects immediately. This only ...
goweon's user avatar
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Domains seemingly throttling my connection since I switched ISPs

Overview I recently switched internet service providers and ever since I've been having issues loading certain sites. The tech support folks were of little help, and I suspect the root cause is ...
Jam's user avatar
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how to diagnose very slow internet - intermittent symptom & not related to local browser

symptom - at random intervals , the web slows down to the point that any new page takes + 20 seconds for a first paint to show up. Usually within 2 hours these slowdowns resolve. for dev in San Fran ...
Robert Rowntree's user avatar
3 votes
3 answers
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Packet Drop When BGP Withdrawal

We are announcing our prefix to ISP A and ISP B via BGP, 1.0.0.0/23 to ISP A, and 1.0.0.0/24 and 10.0.1.0/24 to ISP B. What we want is that when we withdraw 1.0.0.0/24 from ISP B, communication for 1....
minjunkaaang's user avatar
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1 answer
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Set Static Route between two countries (OpenVPN)

I have a situation that when i try to connect to a destination via a VPN tunnel connection, something goes wrong and the route to destination goes wrong and gets lost and never reach the destination! ...
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Multiple WiFi Router

I have 9 WiFi routers connected to switch, 2 of the routers cannot connect to the internet unless I shutdown 2 router. Should I use static configuration to all routers ? -9 WiFi routers connected to 1 ...
jethro galvan's user avatar
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My isp gave me 1 modem and 1 router which i have in my house but later they gave 2 other connections to different users from my modem

My isp gave me 1 modem and 1 router which i have in my house but later they gave 2 other connections to different users from my modem. Are they cheating other users or they can just use my modem for ...
Bhargav P's user avatar
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149 views

TLS Error: TLS key negotiation failed to occur withing 60 seconds

I'm working remotely using my laptop by connecting to the office VPN server (in India), if I connect from UAE, the connection works immediately fine... But now when I try to connect from Egypt (using ...
Belal's user avatar
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1 answer
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Why does my ISP router (home) have 4 IP addresses? [closed]

My home router (ISP rental) has 4 IPs. Is this appropriate? My son feels this is a security risk and he would like to remove 2 of the IPs. Is there a problem, and is his advice good?
Patricia Ainsworth's user avatar
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Network Issues - How to distinguish problems with ISP and wifi backhaul - how to do a packet loss test

I currently live in the basement and Ethernet hasn't been drawn down here, hence I purchased Netgear Orbi rbr750 to hopefully get some decent performance. Now I have the router upstairs and my ...
nisse26a's user avatar
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Setup fiber home network with single Router connection to FTTH ISP

Networking noob here. I have the following network setup at home (north Germany) right now: As you see, the ISP ONT inside the top floor of my house has an SC/UPC connector that connects to a ...
PhoenixDev's user avatar
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How ISP subnet works with public IP?

This is maybe a beginner question but I was wondering how ISP subnet works, if it's like a private local LAN. If my private IP is: 192.168.1.10 / subnet 255.255.255.0 / gateway 192.168.1.1, then I can ...
mikuzan's user avatar
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1 answer
96 views

Router bandwitch vs ISP bandwith

when I am using a router for example of 300Mbps, and i have a download speed of 100Mbps and 25 Mbps of upload, when i am connecting to internet, is this speed affecting my lan bandwidth? for example, ...
Grg's user avatar
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1 vote
0 answers
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Port forwarding works for friends that have the same ISP as me, but It doesn't work for anyone with a different ISP?

I'm trying to host a Minecraft server at home for friends, and it's not going well. I have done the following: Set up the server Allowed the server through the firewall Configured my router to allow ...
remington anderson's user avatar
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0 answers
34 views

How to fix unintentionally bandwidth sharing of 2 different fiber optic lines?

I have 2 different fiber optic lines on 2 separated accounts, separate routers but of the exactly same model from the same ISP. They both have their own IP address. The problem is that when I upload ...
God of Money's user avatar
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1 answer
528 views

How does ISP's DNS works?

Computers can connect websites using ISP's default DNS even if a DNS is not configured. How do clients or the router know the address of the DNS?
superabsorbent polymer's user avatar
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1 answer
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How to direct all traffic from ISP modem to Wi-Fi router?

I have my ISP router (192.168.100.0/24) in the first floor of my house and where all ethernet cables are going to from each room. Then I have my main TP-Link Archer AX6000 router (192.168.0.0/24) in ...
Muhsag's user avatar
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1 vote
0 answers
978 views

Internet speed tests show fast download speeds, but "real-world" download speeds are significantly slower

Before we begin, I would like to clarify that I am aware that internet speed is measured in Mb/s (megabits per second) while most applications show download speeds in MB/s (megabytes per second), and ...
fff's user avatar
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0 votes
1 answer
469 views

Why does double-NAT networking intercommunication works only in one direction?

So I set up a simple network: first comes the modem, then comes the router and behind the router my end devices. I can access the modem network from my local area network behind the router, but when I ...
Koala's user avatar
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1 vote
1 answer
224 views

How can I find websites that route through a specific router at my ISP?

My internet connection has packet loss, but only for TCP SYN packets, and only to a handful of websites. Trying to convince my ISP's support hotline that there is an issue when the only examples I can ...
Luc's user avatar
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Slow link. Seeing this DSL statistics - is it rather me or my ISP?

My typical DSL speed used to be about 9Mbit/s down and 1Mbit/s up, just as advertised. Yesterday it dropped below 0.2Mbit/s (measured with modem's WLAN turned off and my laptop as a single wired ...
Xpector's user avatar
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0 answers
667 views

Is my IPv6 behind an ISP CGNAT?

I am trying to SSH into my PC from outside my house using its IPv6 address, and I get an error of "host is unreachable". test-ipv6.com gives me 10/10 score. Pinging my router's IPv6 works. ...
mylo's user avatar
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0 votes
1 answer
150 views

2 different users accessing internet banking from mobile browser at different time but IP address and user agent string is exactly the same

Is it possible to have a scenario where there are 2 different users accessing internet banking (using their own credentials) from mobile browser at different time using the same mobile device, but ...
Siti Rossimawati's user avatar
1 vote
1 answer
78 views

Can you connect 2 networks from 2 different providers to 1 motherboard?

I was unhappy with the reliability of the broadband offered by my mobile service provider, but they've made it so there isn't a TV plan I'm happy with w/o broadband, so I'm still connected to them. I ...
Kevin Thomson's user avatar
24 votes
4 answers
7k views

Test internet speed over a period of time

I´m having issues with slow internet. I have used speedtest.net at different times of the day and week and the result tells me that I get 10-20% of the bandwidth that I pay for. My ISP tells me that ...
kodeaben's user avatar
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0 votes
2 answers
573 views

How I tell which Internet provider my computer is using?

I have RCN as my internet provider and just signed up for Xfinity Comcast Internet and they told me that it is enabled. I'm trying to have minimal downtime without internet so I'm not how I can tell ...
Kamilski81's user avatar
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0 answers
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Is my connection speed okay?

I have a so-called ADSL2+ connection with this characteristics displaying in my zyxel modem page: noise margin downstream: 9.6 dB output power upstream: 12.2 dbm attenuation downstream: 34.2 dB Upon ...
kasymax's user avatar
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2 answers
2k views

How does ISP know when to change the dynamic IP?

As I understand, ISP uses DHCP protocol to give out IPs from some pool. Every time they give the IP via DHCP it has a lease time. At the end of a lease time, a router can receive the same IP - but it ...
zupazt3's user avatar
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0 votes
1 answer
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Proper implementation of IPv6 for LAN when having Dynamic IPv6 address from ISP

I have a working IPv6 setup with LAN and WAN interfaces. However, there is challenge since ISP provides the Dynamic IPv6 address (range) instead of static (I do not know why?). So, any time the WAN ...
Hrvoje Kusulja's user avatar
1 vote
1 answer
2k views

How much router packet loss is acceptable?

I have had issues with my internet connection. My ISP has several times dropped my internet connection all together and it has been down for several days. When calling support they analyse and call ...
Jakob Lithner's user avatar
0 votes
2 answers
160 views

Visibility of browsing history to ISP

I was reading an article discussing the deleterious effects of ISPs locking down customers with mandatory antiquated routers supplied by the very same ISP while providing fiber-net connections. One ...
Zoso's user avatar
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0 votes
1 answer
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What could be causing my download/ping issues?

Disclaimer, I will be referring to ping as the result of the ping 8.8.8.8 command. I am connected via FTTH to a (relatively) newly constructed Gigabit fiber network (~2020). For several months it ...
SlowLoris's user avatar
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0 answers
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Weird network issue

I just had a very strange experience. I could not open any internet connections, but pings worked fine and existing connections continued working as if nothing had happened. I know nothing about the ...
Jo-Erlend Schinstad's user avatar

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