2d - Routing is terrible to this US based server. What's the go?

Forums › 2degrees (including Slingshot, Orcon, Flip, Stuff Fibre, MyRepublic, 2talk and Vocus) › 2d - Routing is terrible to this US based server. What's the go?

ctv

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#302304 14-Nov-2022 01:28

Here's a server hosted in Dallas, Texas (US). For some reason it's choosing a route through Aus, Singapore and Germany over a direct route to LAX. Anyone else seeing similar routing issues?

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#2995694 14-Nov-2022 07:43

you read the multiple other threads on this?

https://www.geekzone.co.nz/forums.asp?forumid=81&topicid=300668

https://www.geekzone.co.nz/forums.asp?forumid=81&topicid=300526

Seems to be a issue often with them

ctv

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#2995891 14-Nov-2022 11:58

Jase2985:

you read the multiple other threads on this?

https://www.geekzone.co.nz/forums.asp?forumid=81&topicid=300668

https://www.geekzone.co.nz/forums.asp?forumid=81&topicid=300526

Seems to be a issue often with them

I've read through these, I'm gonna try removing my static IP and give that a try as it seems like latency / routing is somewhat better with CG-NAT otherwise I'll probably look at switching from 2d.

The provider of this server that I am running a traceroute through has emailed 2d on multiple occasions and has had no response which is pretty disappointing.

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#2995893 14-Nov-2022 12:06

@ctv Is the provider of the server a 2degrees customer? If yes have they got a SLA in place with 2degrees?

Routing is best effort and not guaranteed to take the most direct path

ctv

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#2995904 14-Nov-2022 12:25

Linux: @ctv Is the provider of the server a 2degrees customer? If yes have they got a SLA in place with 2degrees?

Routing is best effort and not guaranteed to take the most direct path

No, they are a US-based hosting provider.

Here's a traceroute from my friend on MyRepublic which has much better routing to this provider than I currently do.

ctv

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#2996086 14-Nov-2022 17:20

Looks to be fixed now. I've just had the static IP removed and now routing is back to normal.

nztim

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#2996124 14-Nov-2022 18:25

Why would a static IP cause so many problems? that is a bit concerning

Any views expressed on these forums are my own and don't necessarily reflect those of my employer.

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#2996128 14-Nov-2022 18:30

This is something 2degrees needs to look into

nztim

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#2996259 14-Nov-2022 22:06

Linux: This is something 2degrees needs to look into

Wonder if it was the specific IP range, he was on that was causing the issue

Any views expressed on these forums are my own and don't necessarily reflect those of my employer.

ctv

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#2996261 14-Nov-2022 22:12

If someone from 2D wants to check it out, I was on the 163.47.220.0/22 range

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#2996263 14-Nov-2022 22:20

Did you log an official ticket with 2degrees over the phone with examples?

yitz

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#2996314 14-Nov-2022 22:35

nztim:

Wonder if it was the specific IP range, he was on that was causing the issue

It's clear from the traceroutes that it's the forward (not reverse) routes that is the issue here and that route table on the BNG is different to CG-NAT. If explanations in past threads are anything to go by, 2degrees have a relatively complex system of load balancing traffic out across different cable systems and upstream providers.

It also doesn't help that the destination network is (temporarily or permanently) re-routing their traffic across geographically distributed DDoS mitigating scrubbing centres.

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ctv

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#2996789 15-Nov-2022 15:58

Linux: Did you log an official ticket with 2degrees over the phone with examples?

I'll try to email, tried calling and I was given the "please try again later, the queue is too long" response. Considering the issue is now fixed on my end, I'm not interested in calling multiple times / sitting in queues.

gehenna

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#2996790 15-Nov-2022 16:00

Sounds like you worked around the issue, not fixed it.

ctv

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#2996791 15-Nov-2022 16:03

yitz:

nztim:

Wonder if it was the specific IP range, he was on that was causing the issue

It's clear from the traceroutes that it's the forward (not reverse) routes that is the issue here and that route table on the BNG is different to CG-NAT. If explanations in past threads are anything to go by, 2degrees have a relatively complex system of load balancing traffic out across different cable systems and upstream providers.

It also doesn't help that the destination network is (temporarily or permanently) re-routing their traffic across geographically distributed DDoS mitigating scrubbing centres.

Their PoP is in LAX, it's just tagged wrong in those traceroutes for whatever reason. You're also correct, it's their anycast DDoS protection.

I believe that it shouldn't cause any issues being in LAX but I may be wrong. They were also not the only provider that I had issues with. I'd say it was a coinflip to have good/bad routing with different providers around the world.

ctv

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#2996792 15-Nov-2022 16:06

gehenna:

Sounds like you worked around the issue, not fixed it.

Correct, I will try to reach out to get this fixed.

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