What about some other options? https://paris-traceroute.net/ https://dublin-traceroute.net/ https://github.com/rucarrol/traceflow
-- Hugo Slabbert On Wed, Nov 24, 2021 at 9:54 AM Thomas Scott <mr.thomas.sc...@gmail.com> wrote: > Ha, my apologies, I thought I was writing this for a Linux User Group, not > a NOG. Ignore my simplistic explanations. > - Thomas Scott | mr.thomas.sc...@gmail.com > > > On Wed, Nov 24, 2021 at 12:47 PM Thomas Scott <mr.thomas.sc...@gmail.com> > wrote: > >> I have used it successfully in a test environment that I was using ECMP >> in. Most of the public networks that I've worked with don't use ECMP as >> often as other methods for steering traffic (LAGs, BGP MEDs, etc). >> >> What I have seen it fantastically useful for was troubleshooting a >> transit provider, or for when they were congested or had a flapping core >> link. Granted I *think *it's still subject to ICMP deprioritization >> (most SP's use it prodigiously), and most MPLS cores don't decrement TTL, >> but it was still useful to be able to show them "no, at this IP, I >> *always* drop traffic, when..." >> >> - Thomas Scott | mr.thomas.sc...@gmail.com >> >> >> On Wed, Nov 24, 2021 at 12:23 PM Adam Thompson <athomp...@merlin.mb.ca> >> wrote: >> >>> The tool fbtracert (http://github.com/facebookarchive/fbtracert) was >>> mentioned here recently as a way to get visibility into multi-pathing. >>> >>> Has anyone here ever used this tool successfully? >>> >>> >>> >>> Supposedly Facebook uses this tool internally, but… that doesn’t help >>> much. >>> >>> >>> >>> I’ve tried it on 4 different platforms/OSes (WSL Ubuntu; RedHat; Debian; >>> OpenBSD), and versions of Go (v1.10 through v1.16), in three very different >>> environments (on-prem public IP; on-prem NAT’d; cloud public IP), and I’ve >>> yet to see it produce any meaningful output – each run/iteration/thread >>> only detects one, single, hop out of the entire chain of routers, making it >>> less than useful. Granted, that’s not a full regression test by any means, >>> but if anyone here has ever used it successfully, could you please let me >>> know what sort of environment you ran it in/on? >>> >>> >>> >>> Thanks, >>> >>> -Adam >>> >>> >>> >>> *Adam Thompson* >>> Consultant, Infrastructure Services >>> [image: 1593169877849] >>> 100 - 135 Innovation Drive >>> Winnipeg, MB, R3T 6A8 >>> (204) 977-6824 or 1-800-430-6404 (MB only) >>> athomp...@merlin.mb.ca >>> www.merlin.mb.ca >>> >>> >>> >>
