Re: AS6939 (Hurricane Electric) packet loss on Helsinki/Piter-IX-bound path; Lagos, Nigeria origin
Sina Owolabi via NANOG <[email protected]>
| Newsgroups | gmane.org.operators.nanog |
|---|---|
| Message-ID | <CACK8u8KVNBa3aNqmV4DwgXhCbbSyuVejktrD2YjL+zS3v=6uZQ@mail.gmail.com> |
Thanks! There is some relief now. I guess someone somewhere saw the message. cordially yours, Sina Owolabi On Wed, Aug 12, 2026 at 4:16 PM Tom Beecher <[email protected]> wrote: > [email protected] > > > On Wed, Aug 12, 2026 at 10:33 AM Sina Owolabi via NANOG < > [email protected]> wrote: > >> Apparently Ive not particpated at the list in a while. >> >> cordially yours, >> >> Sina Owolabi >> >> >> ---------- Forwarded message --------- >> From: Sina Owolabi <[email protected]> >> Date: Wed, Aug 12, 2026 at 3:30 PM >> Subject: AS6939 (Hurricane Electric) packet loss on >> Helsinki/Piter-IX-bound >> path; Lagos, Nigeria origin >> To: [email protected] list <[email protected]>, <[email protected]>, < >> [email protected]> >> >> >> >> Hi all, >> >> Sorry to bother you but we need some help >> >> We're seeing sustained, real packet loss inside Hurricane Electric's own >> network (AS6939) on a >> path from Lagos, Nigeria toward Helsinki. >> Loss starts at the first HE hop and persists all the way >> to the destination (a Hetzner Helsinki host we're trying to reach over a >> site-to-site IPsec >> tunnel). Confirmed via RDAP that the lossy hops are HE-registered space >> (org handle HURC), not >> just transiting through HE — this is on your own backbone, not further >> upstream. >> >> This is *not* a blanket HE issue from our vantage point: the same test >> toward RIPE NCC in >> Amsterdam, through the same HE hops (184.105.65.2 and neighbors), shows 0% >> loss. >> >> A test toward a Debian mirror (via Fastly) shows only minor loss (13-23%) >> on a couple of intermediate HE hops and >> 0% at the destination. So this looks specific to the segment continuing >> toward the Piter-IX >> Helsinki peering, not HE generally. >> >> mtr -n -r -i 1.5 -c 30 -s 300 run from our edge in Lagos (source >> 62.173.32.54) to a Hetzner >> Helsinki host (packet size/interval chosen to avoid ICMP rate-limit false >> positives): >> >> HOST Loss% Snt Last Avg Best Wrst >> StDev >> 62.173.32.49 0.0% 30 0.4 0.7 0.4 4.1 >> 0.9 >> 62.173.34.225 0.0% 30 0.5 0.6 0.4 2.5 >> 0.4 >> 41.184.211.32 0.0% 30 0.9 1.3 0.7 5.0 >> 1.0 >> 41.184.56.17 0.0% 30 93.3 92.0 91.3 98.9 >> 1.5 >> 62.173.35.222 0.0% 30 91.5 91.7 91.3 94.6 >> 0.7 >> 184.105.65.2 0.0% 30 99.3 98.7 98.3 102.6 >> 0.8 >> 184.104.192.133 26.7% 30 100.1 101.1 99.1 104.3 >> 1.3 <- HE (AS6939) >> 184.104.188.218 36.7% 30 199.2 142.4 129.9 201.0 >> 25.5 <- HE (AS6939) >> 184.104.198.57 36.7% 30 187.4 133.0 127.5 187.4 >> 13.3 <- HE (AS6939) >> 184.104.198.147 0.0% 30 142.9 133.9 128.3 144.2 >> 5.9 >> 72.52.92.106 63.3% 30 196.2 146.5 126.7 199.5 >> 31.9 <- HE (AS6939) >> 193.27.37.131 30.0% 30 202.8 139.7 129.1 202.8 >> 24.9 <- Piter-IX Helsinki >> 213.239.224.26 33.3% 30 195.4 136.3 129.1 195.4 >> 19.9 <- Hetzner >> 213.133.119.11 30.0% 30 196.9 140.4 129.1 199.1 >> 24.3 <- Hetzner >> [destination] 40.0% 30 196.9 133.2 129.1 196.9 >> 15.9 <- Hetzner (endpoint) >> >> Reproduced against a second, unrelated destination in the same Hetzner >> Helsinki range with the >> same result (same HE hops, same loss pattern). Reproducible over multiple >> runs across several >> hours. >> >> Would appreciate it if anyone from Hurricane Electric's NOC/engineering, >> or >> anyone who can point >> me to the right escalation path, could take a look at the segment from >> 184.104.192.133 onward >> toward the Piter-IX Helsinki peering. Happy to share full raw output, run >> tests at a specific time >> of your choosing, or provide a looking-glass-reachable source if that >> helps >> triage. >> >> >> Sina Owolabi >> _______________________________________________ >> NANOG mailing list >> >> https://lists.nanog.org/archives/list/[email protected]/message/XJO5G3K5QB4UTFHM3MHGXLFNYMHTHXWP/ > > _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/DTRVCXPNIF6P5VH4SCYNDSIK4S7YJFQN/