2022-02-21 12:35:45 +00:00
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/demo/podman - Show pasta operation with Podman
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#
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# Copyright (c) 2022 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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2022-05-02 21:14:37 +00:00
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set OPTS -Z -w 4M -l 1M -P 2 -t10 --pacing-timer 10000
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2022-02-21 12:35:45 +00:00
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say This is an overview of
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em Podman
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say using
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em pasta
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say .
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nl
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nl
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sleep 3
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say Let's fetch Podman
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sleep 1
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tempdir TEMPDIR
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host git -C __TEMPDIR__ clone https://github.com/containers/podman.git
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sleep 1
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say , patch it
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sleep 1
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host cp ../contrib/podman/0001-libpod-Add-pasta-networking-mode.patch __TEMPDIR__/podman
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host cd __TEMPDIR__/podman
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2022-08-01 10:45:05 +00:00
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host git am -3 0001-libpod-Add-pasta-networking-mode.patch
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2022-02-21 12:35:45 +00:00
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sleep 1
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say , and build it.
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2022-07-21 11:58:28 +00:00
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host go get github.com/pkg/errors@v0.9.1
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host go mod vendor
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2022-02-21 12:35:45 +00:00
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host make
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sleep 1
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nl
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nl
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say By default, for
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em rootless
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say mode, Podman will pick
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nl
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em slirp4netns
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say to operate the network.
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nl
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nl
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say Let's start a container with it
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sleep 1
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ns1 cd __TEMPDIR__/podman
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ns1b ./bin/podman run --rm -ti alpine sh
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sleep 2
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say ,
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nl
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say and one with
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em pasta
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say instead.
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ns2 cd __TEMPDIR__/podman
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ns2b ./bin/podman run --net=pasta --rm -ti alpine sh
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sleep 2
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nl
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nl
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say We can observe some practical differences:
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nl
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2022-06-10 02:32:42 +00:00
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ns1b ip addr show
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2022-02-21 12:35:45 +00:00
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sleep 3
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say - slirp4netns uses a predefined IPv4 address
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hl NS1
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sleep 2
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2022-06-10 02:32:42 +00:00
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ns2b ip addr show
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2022-02-21 12:35:45 +00:00
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sleep 3
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say ,
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nl
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say pasta copies addresses from the host
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hl NS2
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sleep 2
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nl
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say - slirp4netns uses
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em tap0
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say as interface name
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hl NS1
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sleep 2
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say , pasta
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nl
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say takes an interface name from the host
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hl NS2
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sleep 2
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nl
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say - same for routes:
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2022-06-10 02:32:42 +00:00
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ns1b ip route show
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2022-02-21 12:35:45 +00:00
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sleep 3
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say slirp4netns defines its own
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nl
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say gateway address
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hl NS1
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sleep 2
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say , pasta copies it from the host
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2022-06-10 02:32:42 +00:00
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ns2b ip route show
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ns2b ip -6 route show
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2022-02-21 12:35:45 +00:00
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sleep 5
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nl
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nl
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say Let's check connectivity...
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sleep 2
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ns1b wget risotto.milane.se
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ns2b wget myfinge.rs
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sleep 2
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say fine.
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sleep 5
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nl
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nl
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2022-05-02 21:14:37 +00:00
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say Let's run a service in the container,
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2022-02-21 12:35:45 +00:00
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nl
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2022-05-02 21:14:37 +00:00
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say configuring port forwarding first
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2022-02-21 12:35:45 +00:00
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sleep 5
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ns1b exit
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sleep 2
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ns1b podman run --rm -p 8080:8080/tcp -ti alpine sh
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sleep 5
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2022-05-02 21:14:37 +00:00
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ns2b exit
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sleep 2
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2022-07-21 11:59:53 +00:00
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ns2b ./bin/podman run --net=pasta --rm -p 8081:8081/tcp -ti alpine sh
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2022-05-02 21:14:37 +00:00
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sleep 5
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2022-02-21 12:35:45 +00:00
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nl
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nl
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2022-05-02 21:14:37 +00:00
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say ...and now actually start the service
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2022-02-21 12:35:45 +00:00
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ns1b apk add thttpd
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ns2b apk add thttpd
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ns1b >index.html cat << EOF
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ns1b <!doctype html><body>Hello via slirp4netns</body>
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ns1b EOF
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ns2b >index.html cat << EOF
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ns2b <!doctype html><body>Hello via pasta</body>
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ns2b EOF
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ns1b thttpd -p 8080
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ns2b thttpd -p 8081
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sleep 3
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say , then check
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nl
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say that it's accessible.
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sleep 3
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hostb lynx http://127.0.0.1:8080/
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sleep 5
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hostb q
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hostb lynx http://[::1]:8081/
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sleep 5
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hostb q
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sleep 2
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nl
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nl
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say What about performance, you might ask.
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nl
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say For simplicity, we'll measure between init
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nl
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say namespace (the "host") and container. To do
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nl
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say that, we need to allow the container direct
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nl
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say access to the host, which needs an extra option
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nl
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say in slirp4netns. Let's restart that container,
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nl
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2022-05-02 21:14:37 +00:00
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say while also mapping ports for iperf3 and neper.
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2022-02-21 12:35:45 +00:00
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nl
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sleep 3
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ns1 exit
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ns1b podman run --rm --net=slirp4netns:allow_host_loopback=true,enable_ipv6=true -p 5201-5202:5201-5202/tcp -p 5201-5202:5201-5202/udp -ti alpine sh
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sleep 5
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nl
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nl
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say pasta allows that by default, so we wouldn't need
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nl
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say to touch the container using pasta, but let's
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nl
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say take the chance to look at passing extra options
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nl
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say there as well.
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nl
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nl
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ns2 exit
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2022-05-02 21:14:37 +00:00
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say Options after '--net=pasta:' are the same as
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2022-02-21 12:35:45 +00:00
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nl
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say documented for the command line of pasta(1).
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nl
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say For example, we can enable packet captures
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sleep 3
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ns2b ./bin/podman run --net=pasta:--pcap,demo.pcap --rm -ti alpine sh
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sleep 5
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say ,
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nl
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say and generate some traffic we can look at.
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nl
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sleep 2
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ns2b wget -O - lameexcu.se
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sleep 2
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hostb tshark -r demo.pcap tcp
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sleep 5
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nl
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say But back to performance now. By the way,
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nl
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2022-05-02 21:14:37 +00:00
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say pasta can also forward ports through the
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2022-02-21 12:35:45 +00:00
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nl
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2022-05-02 21:14:37 +00:00
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say loopback interface for improved throughput.
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2022-02-21 12:35:45 +00:00
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nl
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2022-05-02 21:14:37 +00:00
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say Let's configure that.
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2022-02-21 12:35:45 +00:00
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nl
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sleep 2
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ns2b exit
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sleep 1
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2022-05-02 21:14:37 +00:00
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ns2b ./bin/podman run --net=pasta:-T,5213-5214,-U,5213-5214 -p 5203-5204:5203-5204/tcp -p 5203-5204:5203-5204/udp --rm -ti alpine sh
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2022-02-21 12:35:45 +00:00
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sleep 5
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nl
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say In slirp4netns mode, Podman enables by
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nl
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say default the port forwarder from 'rootlesskit'
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nl
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say for better performance.
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nl
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say However, it can't be used for non-local
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nl
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say mappings (traffic without loopback source
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nl
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em and
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say destination) because it doesn't preserve
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nl
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say the correct source address as it forwards
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nl
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say packets to the container.
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sleep 3
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nl
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nl
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say We'll check non-loopback mappings first for
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nl
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say both pasta and slirp4netns, then restart the
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nl
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say slirp4netns container with rootlesskit and
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nl
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say switch to loopback mappings. pasta doesn't
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nl
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say have this limitation.
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nl
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nl
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say One last note: slirp4netns doesn't support
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nl
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say forwarding of IPv6 ports (to the container):
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nl
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say github.com/rootless-containers/slirp4netns/issues/253
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nl
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say so we'll skip IPv6 tests for slirp4netns as
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nl
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say port forwarder (on the path to the container).
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sleep 5
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ns1 exit
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ns1b podman run --rm --net=slirp4netns:allow_host_loopback=true,enable_ipv6=true,port_handler=slirp4netns -p 5201-5202:5201-5202/tcp -p 5201-5202:5201-5202/udp -ti alpine sh
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sleep 3
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nl
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nl
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say We'll use iperf3(1) for throughput
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sleep 2
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ns1b apk add iperf3 jq bc
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ns2b apk add iperf3 jq bc
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sleep 2
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say and static
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nl
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say builds of neper (github.com/google/neper) for
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nl
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say latency.
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ns1 wget lameexcu.se/tcp_rr; chmod 755 tcp_rr
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ns2 wget lameexcu.se/tcp_rr; chmod 755 tcp_rr
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ns1 wget lameexcu.se/tcp_crr; chmod 755 tcp_crr
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ns2 wget lameexcu.se/tcp_crr; chmod 755 tcp_crr
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ns1 wget lameexcu.se/udp_rr; chmod 755 udp_rr
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ns2 wget lameexcu.se/udp_rr; chmod 755 udp_rr
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sleep 5
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nl
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nl
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say Everything is set now, let's start
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sleep 2
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2022-06-10 02:32:42 +00:00
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hout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
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hout ADDR4 ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.scope == "global").local'
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hout ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.scope == "global").local'
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hout GW4 ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
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hout GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
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2022-02-21 12:35:45 +00:00
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nl
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nl
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resize INFO D 15
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info Throughput in Gbps, latency in µs
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info non-loopback (tap) connections
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th mode slirp4netns pasta
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tr TCP/IPv6 to ns
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2022-05-02 21:14:37 +00:00
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#ns1b iperf3 -s1J -p 5201 | jq -rM ".end.sum_received.bits_per_second" >t1
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#hostb iperf3 -c __ADDR6__ -p 5201 __OPTS__
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|
|
#ns1out BW cat t1
|
2022-02-21 12:35:45 +00:00
|
|
|
#bw __BW__ 0.0 0.0
|
|
|
|
|
bw -
|
2022-05-02 21:14:37 +00:00
|
|
|
ns2b iperf3 -s1J -p 5203 | jq -rM ".end.sum_received.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -c __ADDR6__ -p 5203 __OPTS__
|
|
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
ns2b
|
2022-05-02 21:14:37 +00:00
|
|
|
ns2out BW cat t1
|
2022-02-21 12:35:45 +00:00
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
#ns1b ./tcp_rr -6 --nolog -C 5201 -P 5202
|
|
|
|
|
#sleep 2
|
|
|
|
|
#hout LAT tcp_rr --nolog -c -H __ADDR6__ -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
#lat __LAT__ 100000 100000
|
|
|
|
|
lat -
|
|
|
|
|
ns2b ./tcp_rr -6 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_rr --nolog -c -H __ADDR6__ -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl CRR latency
|
|
|
|
|
#ns1b ./tcp_crr -6 --nolog -C 5201 -P 5202
|
|
|
|
|
#sleep 2
|
|
|
|
|
#hout LAT tcp_crr --nolog -c -H __ADDR6__ -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
#lat __LAT__ 100000 100000
|
|
|
|
|
lat -
|
|
|
|
|
ns2b ./tcp_crr -6 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_crr --nolog -c -H __ADDR6__ -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl TCP/IPv4 to ns
|
2022-05-02 21:14:37 +00:00
|
|
|
ns1b iperf3 -s1J -p 5201 | jq -rM ".end.sum_received.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -c __ADDR4__ -p 5201 __OPTS__
|
|
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
ns1b
|
2022-05-02 21:14:37 +00:00
|
|
|
ns1out BW cat t1
|
2022-02-21 12:35:45 +00:00
|
|
|
bw __BW__ 0.0 0.0
|
2022-05-02 21:14:37 +00:00
|
|
|
ns2b iperf3 -s1J -p 5203 | jq -rM ".end.sum_received.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -c __ADDR4__ -p 5203 __OPTS__
|
|
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
ns2b
|
2022-05-02 21:14:37 +00:00
|
|
|
ns2out BW cat t1
|
2022-02-21 12:35:45 +00:00
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
ns1b ./tcp_rr -4 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_rr --nolog -c -H __ADDR4__ -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./tcp_rr -4 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_rr --nolog -c -H __ADDR4__ -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl CRR latency
|
|
|
|
|
ns1b ./tcp_crr -4 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_crr --nolog -c -H __ADDR4__ -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./tcp_crr -4 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_crr --nolog -c -H __ADDR4__ -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tr TCP/IPv6 to host
|
2022-05-02 21:14:37 +00:00
|
|
|
hostb iperf3 -s1J -p 5211 | jq -rM ".end.sum_received.bits_per_second" >t1
|
|
|
|
|
ns1b iperf3 -c fd00::2 -p 5211 __OPTS__
|
|
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
hostb
|
2022-05-02 21:14:37 +00:00
|
|
|
hout BW cat t1
|
2022-02-21 12:35:45 +00:00
|
|
|
bw __BW__ 0.0 0.0
|
2022-05-02 21:14:37 +00:00
|
|
|
hostb iperf3 -s1J -p 5213 | jq -rM ".end.sum_received.bits_per_second" >t1
|
|
|
|
|
ns2b iperf3 -c __GW6__%__IFNAME__ -p 5213 __OPTS__
|
|
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
hostb
|
2022-05-02 21:14:37 +00:00
|
|
|
hout BW cat t1
|
2022-02-21 12:35:45 +00:00
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns1b
|
|
|
|
|
ns2b
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
hostb tcp_rr -6 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./tcp_rr --nolog -c -H fd00::2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb tcp_rr -6 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./tcp_rr --nolog -c -H __GW6__%__IFNAME__ -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl CRR latency
|
|
|
|
|
hostb tcp_crr -6 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./tcp_crr --nolog -c -H fd00::2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb tcp_crr -6 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./tcp_crr --nolog -c -H __GW6__%__IFNAME__ -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl TCP/IPv4 to host
|
2022-05-02 21:14:37 +00:00
|
|
|
hostb iperf3 -s1J -p 5211 | jq -rM ".end.sum_received.bits_per_second" >t1
|
|
|
|
|
ns1b iperf3 -c 10.0.2.2 -p 5211 __OPTS__
|
|
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
hostb
|
2022-05-02 21:14:37 +00:00
|
|
|
hout BW cat t1
|
2022-02-21 12:35:45 +00:00
|
|
|
bw __BW__ 0.0 0.0
|
2022-05-02 21:14:37 +00:00
|
|
|
hostb iperf3 -s1J -p 5213 | jq -rM ".end.sum_received.bits_per_second" >t1
|
|
|
|
|
ns2b iperf3 -c __GW4__ -p 5213 __OPTS__
|
2022-02-21 12:35:45 +00:00
|
|
|
sleep 10
|
|
|
|
|
hostb
|
2022-05-02 21:14:37 +00:00
|
|
|
hout BW cat t1
|
2022-02-21 12:35:45 +00:00
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns1b
|
|
|
|
|
ns2b
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
hostb tcp_rr -4 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./tcp_rr --nolog -c -H 10.0.2.2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb tcp_rr -4 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./tcp_rr --nolog -c -H __GW4__ -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl CRR latency
|
|
|
|
|
hostb tcp_crr -4 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./tcp_crr --nolog -c -H 10.0.2.2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb tcp_crr -4 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./tcp_crr --nolog -c -H __GW4__ -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
sleep 5
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tr UDP/IPv6 to ns
|
|
|
|
|
#ns1b iperf3 -s1J -p 5201 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
#hostb iperf3 -u -c __ADDR6__ -p 5201 -t5 -b 35G
|
|
|
|
|
#sleep 10
|
|
|
|
|
#ns1out BW cat t1
|
|
|
|
|
#bw __BW__ 0.0 0.0
|
|
|
|
|
bw -
|
|
|
|
|
ns2b iperf3 -s1J -p 5204 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -u -c __ADDR6__ -p 5204 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
ns2out BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
#ns1b ./udp_rr -6 --nolog -C 5201 -P 5202
|
|
|
|
|
#sleep 2
|
|
|
|
|
#hout LAT udp_rr --nolog -c -H __ADDR6__ -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
#lat __LAT__ 100000 100000
|
|
|
|
|
lat -
|
|
|
|
|
ns2b ./udp_rr -6 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT udp_rr --nolog -c -H __ADDR6__ -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl UDP/IPv4 to ns
|
|
|
|
|
ns1b iperf3 -s1J -p 5201 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -u -c __ADDR4__ -p 5201 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
ns1out BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns2b iperf3 -s1J -p 5204 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -u -c __ADDR4__ -p 5204 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
ns2out BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
ns1b ./udp_rr -6 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT udp_rr --nolog -c -H __ADDR4__ -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./udp_rr -6 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT udp_rr --nolog -c -H __ADDR4__ -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tr UDP/IPv6 to host
|
|
|
|
|
hostb iperf3 -s1J -p 5211 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
ns1b iperf3 -u -c fd00::2 -p 5211 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
hout BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb iperf3 -s1J -p 5214 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
ns2b iperf3 -u -c __GW6__%__IFNAME__ -p 5214 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
hout BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
hostb udp_rr -6 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./udp_rr --nolog -c -H fd00::2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb udp_rr -6 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./udp_rr --nolog -c -H __GW6__%__IFNAME__ -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl UDP/IPv4 to host
|
|
|
|
|
hostb iperf3 -s1J -p 5211 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
ns1b iperf3 -u -c 10.0.2.2 -p 5211 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
hout BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb iperf3 -s1J -p 5214 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
ns2b iperf3 -u -c __GW4__ -p 5214 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
hout BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
hostb udp_rr -6 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./udp_rr --nolog -c -H 10.0.2.2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb udp_rr -6 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./udp_rr --nolog -c -H __GW4__ -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ns1 exit
|
|
|
|
|
ns1 podman run --rm --net=slirp4netns:allow_host_loopback=true,enable_ipv6=true -p 5201-5202:5201-5202/tcp -p 5201-5202:5201-5202/udp -ti alpine sh
|
|
|
|
|
ns1 apk add iperf3 jq bc
|
|
|
|
|
ns1 wget lameexcu.se/tcp_rr; chmod 755 tcp_rr
|
|
|
|
|
ns1 wget lameexcu.se/tcp_crr; chmod 755 tcp_crr
|
|
|
|
|
ns1 wget lameexcu.se/udp_rr; chmod 755 udp_rr
|
|
|
|
|
info
|
|
|
|
|
info
|
|
|
|
|
info loopback (lo) connections
|
|
|
|
|
th mode rootlesskit pasta
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tr TCP/IPv6 to ns
|
|
|
|
|
ns1b (iperf3 -s1J -p 5201 | jq -rM ".end.sum_received.bits_per_second" >t1) &
|
|
|
|
|
ns1b iperf3 -s1J -p 5202 | jq -rM ".end.sum_received.bits_per_second" >t2
|
2022-05-02 21:14:37 +00:00
|
|
|
hostb iperf3 -c ::1 -p 5201 __OPTS__ & iperf3 -c ::1 -p 5202 __OPTS__
|
|
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
ns1b
|
|
|
|
|
ns1out BW echo "$(cat t1) + $(cat t2)" | bc -l
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns2b (iperf3 -s1J -p 5203 | jq -rM ".end.sum_received.bits_per_second" >t1) &
|
|
|
|
|
ns2b iperf3 -s1J -p 5204 | jq -rM ".end.sum_received.bits_per_second" >t2
|
2022-05-02 21:14:37 +00:00
|
|
|
hostb iperf3 -c ::1 -p 5203 __OPTS__ & iperf3 -c ::1 -p 5204 __OPTS__
|
|
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
ns2b
|
|
|
|
|
ns2out BW echo "$(cat t1) + $(cat t2)" | bc -l
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
ns1b ./tcp_rr -6 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_rr --nolog -c -H ::1 -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./tcp_rr -6 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_rr --nolog -c -H ::1 -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl CRR latency
|
|
|
|
|
ns1b ./tcp_crr -6 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_crr --nolog -c -H ::1 -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./tcp_crr -6 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_crr --nolog -c -H ::1 -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl TCP/IPv4 to ns
|
|
|
|
|
ns1b (iperf3 -s1J -p 5201 | jq -rM ".end.sum_received.bits_per_second" >t1) &
|
|
|
|
|
ns1b iperf3 -s1J -p 5202 | jq -rM ".end.sum_received.bits_per_second" >t2
|
|
|
|
|
hostb iperf3 -c 127.0.0.1 -p 5201 __OPTS__ & iperf3 -c 127.0.0.1 -p 5202 __OPTS__
|
2022-05-02 21:14:37 +00:00
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
ns1b
|
|
|
|
|
ns1out BW echo "$(cat t1) + $(cat t2)" | bc -l
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns2b (iperf3 -s1J -p 5203 | jq -rM ".end.sum_received.bits_per_second" >t1) &
|
|
|
|
|
ns2b iperf3 -s1J -p 5204 | jq -rM ".end.sum_received.bits_per_second" >t2
|
|
|
|
|
hostb iperf3 -c 127.0.0.1 -p 5203 __OPTS__ & iperf3 -c 127.0.0.1 -p 5204 __OPTS__
|
2022-05-02 21:14:37 +00:00
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
ns2b
|
|
|
|
|
ns2out BW echo "$(cat t1) + $(cat t2)" | bc -l
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
ns1b ./tcp_rr -4 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_rr --nolog -c -H 127.0.0.1 -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./tcp_rr -4 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_rr --nolog -c -H 127.0.0.1 -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl CRR latency
|
|
|
|
|
ns1b ./tcp_crr -4 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_crr --nolog -c -H 127.0.0.1 -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./tcp_crr -4 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT tcp_crr --nolog -c -H 127.0.0.1 -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tr TCP/IPv6 to host
|
|
|
|
|
hostb (iperf3 -s1J -p 5211 | jq -rM ".end.sum_received.bits_per_second" >t1) &
|
|
|
|
|
hostb iperf3 -s1J -p 5212 | jq -rM ".end.sum_received.bits_per_second" >t2
|
|
|
|
|
ns1b iperf3 -c fd00::2 -p 5211 __OPTS__ & iperf3 -c fd00::2 -p 5212 __OPTS__
|
2022-05-02 21:14:37 +00:00
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
hostb
|
|
|
|
|
hout BW echo "$(cat t1) + $(cat t2)" | bc -l
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb (iperf3 -s1J -p 5213 | jq -rM ".end.sum_received.bits_per_second" >t1) &
|
|
|
|
|
hostb iperf3 -s1J -p 5214 | jq -rM ".end.sum_received.bits_per_second" >t2
|
|
|
|
|
ns2b iperf3 -c ::1 -p 5213 __OPTS__ & iperf3 -c ::1 -p 5214 __OPTS__
|
2022-05-02 21:14:37 +00:00
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
hostb
|
|
|
|
|
hout BW echo "$(cat t1) + $(cat t2)" | bc -l
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns1b
|
|
|
|
|
ns2b
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
hostb tcp_rr -6 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./tcp_rr --nolog -c -H fd00::2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb tcp_rr -6 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./tcp_rr --nolog -c -H ::1 -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl CRR latency
|
|
|
|
|
hostb tcp_crr -6 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./tcp_crr --nolog -c -H fd00::2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb tcp_crr -6 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./tcp_crr --nolog -c -H ::1 -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl TCP/IPv4 to host
|
|
|
|
|
hostb (iperf3 -s1J -p 5211 | jq -rM ".end.sum_received.bits_per_second" >t1) &
|
|
|
|
|
hostb iperf3 -s1J -p 5212 | jq -rM ".end.sum_received.bits_per_second" >t2
|
|
|
|
|
ns1b iperf3 -c 10.0.2.2 -p 5211 __OPTS__ & iperf3 -c 10.0.2.2 -p 5212 __OPTS__
|
2022-05-02 21:14:37 +00:00
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
hostb
|
|
|
|
|
hout BW echo "$(cat t1) + $(cat t2)" | bc -l
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb (iperf3 -s1J -p 5213 | jq -rM ".end.sum_received.bits_per_second" >t1) &
|
|
|
|
|
hostb iperf3 -s1J -p 5214 | jq -rM ".end.sum_received.bits_per_second" >t2
|
|
|
|
|
ns2b iperf3 -c 127.0.0.1 -p 5213 __OPTS__ & iperf3 -c 127.0.0.1 -p 5214 __OPTS__
|
2022-05-02 21:14:37 +00:00
|
|
|
sleep 12
|
2022-02-21 12:35:45 +00:00
|
|
|
hostb
|
|
|
|
|
hout BW echo "$(cat t1) + $(cat t2)" | bc -l
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns1b
|
|
|
|
|
ns2b
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
hostb tcp_rr -4 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./tcp_rr --nolog -c -H 10.0.2.2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb tcp_rr -4 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./tcp_rr --nolog -c -H 127.0.0.1 -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl CRR latency
|
|
|
|
|
hostb tcp_crr -4 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./tcp_crr --nolog -c -H 10.0.2.2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb tcp_crr -4 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./tcp_crr --nolog -c -H 127.0.0.1 -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
sleep 5
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tr UDP/IPv6 to ns
|
|
|
|
|
ns1b iperf3 -s1J -p 5201 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -u -c ::1 -p 5201 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
ns1out BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns2b iperf3 -s1J -p 5204 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -u -c ::1 -p 5204 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
ns2out BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
ns1b ./udp_rr -6 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT udp_rr --nolog -c -H ::1 -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./udp_rr -6 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT udp_rr --nolog -c -H ::1 -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl UDP/IPv4 to ns
|
|
|
|
|
ns1b iperf3 -s1J -p 5201 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -u -c 127.0.0.1 -p 5201 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
ns1out BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
ns2b iperf3 -s1J -p 5204 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
hostb iperf3 -u -c 127.0.0.1 -p 5204 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
ns2out BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
ns1b ./udp_rr -6 --nolog -C 5201 -P 5202
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT udp_rr --nolog -c -H 127.0.0.1 -C 5201 -P 5202 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
ns2b ./udp_rr -6 --nolog -C 5203 -P 5204
|
|
|
|
|
sleep 2
|
|
|
|
|
hout LAT udp_rr --nolog -c -H 127.0.0.1 -C 5203 -P 5204 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tr UDP/IPv6 to host
|
|
|
|
|
hostb iperf3 -s1J -p 5211 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
ns1b iperf3 -u -c fd00::2 -p 5211 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
hout BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb iperf3 -s1J -p 5214 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
ns2b iperf3 -u -c ::1 -p 5214 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
hout BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
hostb udp_rr -6 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./udp_rr --nolog -c -H fd00::2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb udp_rr -6 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./udp_rr --nolog -c -H ::1 -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
tl UDP/IPv4 to host
|
|
|
|
|
hostb iperf3 -s1J -p 5211 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
ns1b iperf3 -u -c 10.0.2.2 -p 5211 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
hout BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
hostb iperf3 -s1J -p 5214 | jq -rM ".intervals[0].sum.bits_per_second" >t1
|
|
|
|
|
ns2b iperf3 -u -c 127.0.0.1 -p 5214 -t5 -b 35G
|
|
|
|
|
sleep 10
|
|
|
|
|
hout BW cat t1
|
|
|
|
|
bw __BW__ 0.0 0.0
|
|
|
|
|
|
|
|
|
|
tl RR latency
|
|
|
|
|
hostb udp_rr -6 --nolog -C 5211 -P 5212
|
|
|
|
|
sleep 2
|
|
|
|
|
ns1out LAT ./udp_rr --nolog -c -H 10.0.2.2 -C 5211 -P 5212 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
hostb udp_rr -6 --nolog -C 5213 -P 5214
|
|
|
|
|
sleep 2
|
|
|
|
|
ns2out LAT ./udp_rr --nolog -c -H 127.0.0.1 -C 5213 -P 5214 -l 5 | sed -n 's/^throughput=\(.*\)/\1/p'
|
|
|
|
|
lat __LAT__ 100000 100000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
nl
|
|
|
|
|
nl
|
|
|
|
|
say Thanks for watching!
|
|
|
|
|
sleep 15
|
