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Update: solution -Topic for network guru-types. (packet loss)

Posted on 11/28/21 at 8:49 am
Posted by Ricardo
Member since Sep 2016
5738 posts
Posted on 11/28/21 at 8:49 am
Update: So the problem was entirely due to wifi signal being unreliable. Despite getting good/great coverage throughout the home via Asus mesh network, it just wasn't good enough.

I ordered a MoCA adapter x2 out of desperation and it solved the problem. Very easy solution for people with older home and can't/won't run ethernet. I would like to do it in the future, but for the time being this is a very good compromise.

Thank you for the insight. It helped understand that it wasn't an ISP issue.


I recently moved and changed ISPs. The new one (AT&T) is 1G fiber optic, and seems really fast. I checked speedtest.net and it is fairly close to advertised speeds. That's not the problem.

The problem is packet loss. After the 2nd hop it starts timing out. The 3rd or 4th hop always times out. I've tried ruling out the connection in my own network by doing internal tests on the gateway (BGW210-700.) The tests reveal the same thing (just one fewer hop.) Is this an AT&T issue? Do they throttle traffic or likely a hardware issue they could easily fix?

Just curious what you guys thought.
This post was edited on 12/5/21 at 8:17 pm
Posted by skrayper
21-0 Asterisk Drive
Member since Nov 2012
33154 posts
Posted on 11/28/21 at 9:03 am to
If the packet loss is at any point after the first hop, it's going to be AT&T. That is, unless they're utilizing a third party provider in your area to handle some of the traffic.

They wouldn't drop packets to throttle speed; they can do that through your modem if necessary.

If it starts dropping your packets at your modem, then that's probably the issue and a swap out could confirm it; if the packets don't drop until after your modem then they'll need to check those router locations.
Posted by Hulkklogan
Baton Rouge, LA
Member since Oct 2010
43472 posts
Posted on 11/28/21 at 10:01 am to
quote:

They wouldn't drop packets to throttle speed; they can do that through your modem if necessary.


On the contrary, if you're hitting your bandwidth cap you'll get packet loss. Policers drop traffic in excess of the setting. That said, I doubt that is OPs problem.

OP,

1) Are you actually experiencing any troubles with your internet? I.E. excessive buffering, dropouts/timeouts, etc. Or are you just noticing something that seems odd?

2) Are you using traceroute? Traceroute on the internet sucks because of asymmetric routing and firewalls.
Posted by Ricardo
Member since Sep 2016
5738 posts
Posted on 11/28/21 at 10:02 am to
Thank you for the reply. I'll see what they can do.

For regular web-browsing I don't see much of an issue. I was playing an online game and would get disconnected a lot, so I ran WinMTR and tested it against the server.

Showed a bunch of packet-loss. I can only assume that some traffic is handled differently?

I read somewhere that someone said to try a VPN. I'll give that a shot to see if it makes a difference.

Update: I tried a paid-for VPN service. (Not advertising, but ProtonVPN if you're curious.) I haven't had any issues since I started running it. I'll turn it off and see if it returns.)
This post was edited on 11/28/21 at 5:09 pm
Posted by captron
Occupied Sillycon Valley
Member since Jul 2018
509 posts
Posted on 11/29/21 at 5:54 pm to
quote:

After the 2nd hop it starts timing out. The 3rd or 4th hop always times out.


How are you seeing this ? using traceroute ?

If so that probably means the routers in the path are configured to drop (not return to originating station) ICMP packets. This is very common.
This post was edited on 11/29/21 at 5:59 pm
Posted by Ricardo
Member since Sep 2016
5738 posts
Posted on 12/5/21 at 8:22 pm to
TL;DR: Wifi was the problem. MoCA adapters fixed it.

Update: So the problem was entirely due to wifi signal being unreliable. Despite getting good/great coverage throughout the home via Asus mesh network, it just wasn't good enough.

I ordered a MoCA adapter x2 out of desperation and it solved the problem. Very easy solution for people with older home and can't/won't run ethernet. I would like to do it in the future, but for the time being this is a very good compromise.

Thank you for the insight. It helped understand that it wasn't an ISP issue.
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