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From: j-breyer <notifications@github.com>
To: tohojo/flent <flent@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Subject: [Flent-users] Re: [tohojo/flent] -6 Option ignored for hosts with IPv4 and IPv6 address (#241)
Date: Fri, 01 Oct 2021 02:07:29 -0700	[thread overview]
Message-ID: <tohojo/flent/issues/241/932056338@github.com> (raw)
In-Reply-To: <tohojo/flent/issues/241@github.com>

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>Hmm, could you please post a full debug log (from --log-file),

Running the exact same command as posted with `--log-file` appended and scrolling a bit through the file, I found the following lines interesting:
2021-10-01 08:51:02,954 [flent.runners] DEBUG: Forked /usr/bin/netperf as pid 415309
2021-10-01 08:51:02,956 [flent.runners] DEBUG: TCP download EF: Starting watchdog with timeout 75
2021-10-01 08:51:02,957 [flent.runners] DEBUG: Started TimerRunner idx 9 ('Watchdog [TCP download EF]')
2021-10-01 08:51:02,958 [flent.runners] DEBUG: Started NetperfDemoRunner idx 9 ('TCP download EF')
2021-10-01 08:51:02,959 [flent.runners] DEBUG: Forking to run command /usr/bin/irtt client -o - --fill=rand -Q -d 70s -i 0.2s  --dscp=0xb8 --local=mn.h1  mn.h2
2021-10-01 08:51:02,963 [flent.runners] DEBUG: Forked /usr/bin/irtt as pid 415312
2021-10-01 08:51:02,967 [flent.runners] DEBUG: Started IrttRunner idx 13 ('Ping (ms) UDP EF :: child 0')
2021-10-01 08:51:02,968 [flent.runners] DEBUG: Forking to run command /usr/bin/irtt client -o - --fill=rand -Q -d 70s -i 0.2s  --dscp=0x20 --local=mn.h1  mn.h2
2021-10-01 08:51:02,972 [flent.runners] DEBUG: Forked /usr/bin/irtt as pid 415314
2021-10-01 08:51:02,975 [flent.runners] DEBUG: Started IrttRunner idx 14 ('Ping (ms) UDP BK :: child 0')
2021-10-01 08:51:02,976 [flent.runners] DEBUG: Forking to run command /usr/bin/irtt client -o - --fill=rand -Q -d 70s -i 0.2s   --local=mn.h1  mn.h2
2021-10-01 08:51:02,980 [flent.runners] DEBUG: Forked /usr/bin/irtt as pid 415323
2021-10-01 08:51:02,983 [flent.runners] DEBUG: Started IrttRunner idx 15 ('Ping (ms) UDP BE :: child 0')
2021-10-01 08:51:02,983 [flent.runners] DEBUG: Forking to run command /usr/bin/fping6  -D -p 200 -c 350 -t 140000  -I mn.h1 mn.h2
It seems like the `-6` argument is not passed to the irtt command. See the full log file attached:

>output of this command (with both address families defined in your /etc/hosts):

`[(10, 1, 6, '', ('a::601', 0, 0, 0)), (2, 1, 6, '', ('', 0))]`

>Do those commands work for you outside of flent from your mn.h1 to mn.h2?

Yes, with no problems at all, getting the respective same output as posted by you.

>I also wonder what happens if you don't use --local-bind.

irtt connection no longer fails, as there's no mismatch in address families. However, as long as `mn.h2` has an IPv4 defined, it uses IPv4 to connect, disregarding the `-6` param

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  parent reply	other threads:[~2021-10-01  9:07 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-30 14:09 [Flent-users] " j-breyer
2021-09-30 14:27 ` [Flent-users] " Toke Høiland-Jørgensen
2021-09-30 15:15 ` Pete Heist
2021-10-01  9:07 ` j-breyer [this message]
2021-10-01 12:06 ` Toke Høiland-Jørgensen
2021-10-01 12:19 ` Toke Høiland-Jørgensen
2021-10-01 13:01 ` Pete Heist

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