Your bridge isn't bridging properly. If Router B is sending a destination unreachable then the packets are being handled on it further up the stack at layer 3 by some sort of routing component rather than by a layer 2 bridging one.
deadbeef
Steam can do pretty well filling a tail circuit, probably better on average. But a torrent of a large file with a ton of peers when your client has the port forward back into the client absolutely puts more pressure on a tail circuit. More flows makes the shaping work harder.
Sometimes we see an outlier in our reporting and it's not obvious if a customer has a torrent or a DDoS directed at them for the first few minutes.
No, if two 300 megabit tails are shaped correctly, a third user shouldn't notice that the 1G backhaul has got a bunch of use going on.
If you do, there's something wrong or you aren't really getting the 1G for some reason. Not generally a concern in a carrier platform.
I build ISP and private data networks for a living.
A contention ratio for residential circuits of 3 to 1 isn't bad at all. You'd have to get pretty unlucky with your neighbors being raging pirates to be able to tell that was contended at all. Any data cap should scare the worst of the pirates away, so you probably won't be in that situation.
If you can feel the circuit getting worse at different times of the day then the effective contention ( taking into account further upstream ) is probably more like 30 to 1 than 3 to 1.
Often on Linux group membership changes only take effect on login. So you could try logging out of your session and logging back in after your group changes to test that theory out.
I got banned from Reddit while I was on a work trip to the USA. Hadn't posted in over a year at the time. I'm absolutely mystified as to why.
They refer you to the content policy but they won't tell you which post might violate it. I asked a few times what it was that caused the ban, but they either just referred to the content policy or once they said "Repeated violations". I actually requested my user data so I could stick up my complete post history publicly and see if anyone else could figure it out. My username was / is sirdeadbeef on reddit.
I haven't put any work into displaying them nicely, this is the format you get them in if you request your data:
I started using reddit during the digg migration. I lurked, replied to stuff and tried to upvote sanity in technical threads occasionally.
A year or so ago during a work trip to another continent I found that my account had been banned for "violation of the content policy". I worked their process to try and figure out why, but the replies were totally vague and either bot like or possibly written by someone with english as a second language.
It turned out that at the point I was banned I hadn't actually posted anything in over a year, so I really didn't have anything to go off. It is still a total mystery to me. I created a new account ( which I know they could consider ban evasion ) so I could copy my subscribed subreddits over and I was just lurking for the last year or so until the noise from their API changes pointed me at all the current alternatives. So here I am checking out the alternatives.
I swear allegiance to the only one true storage vendor, Micropolis. The Micropolis 1323A being the embodiment of perfection in storage basked in the glow of the only holy storage interconnect, MFM.
I wait patiently for the return of Micropolis so that I may serve as their humble servant.