2017-12-28 22:16:20 -06:00
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#!/bin/bash
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# Connects nodes in a network resembling an s-channel feynmann diagram.
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# 1 5
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# \ /
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# 3--4
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# / \
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# 2 6
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# Bandwidth constraints are applied to 4<->5 and 4<->6.
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# The idea is to make sure that bottlenecks on one link don't affect the other.
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ip netns add node1
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ip netns add node2
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ip netns add node3
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ip netns add node4
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ip netns add node5
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ip netns add node6
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ip link add veth13 type veth peer name veth31
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ip link set veth13 netns node1 up
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ip link set veth31 netns node3 up
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ip link add veth23 type veth peer name veth32
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ip link set veth23 netns node2 up
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ip link set veth32 netns node3 up
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ip link add veth34 type veth peer name veth43
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ip link set veth34 netns node3 up
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ip link set veth43 netns node4 up
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ip link add veth45 type veth peer name veth54
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ip link set veth45 netns node4 up
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ip link set veth54 netns node5 up
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ip link add veth46 type veth peer name veth64
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ip link set veth46 netns node4 up
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ip link set veth64 netns node6 up
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ip netns exec node4 tc qdisc add dev veth45 root tbf rate 100mbit burst 8192 latency 1ms
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ip netns exec node5 tc qdisc add dev veth54 root tbf rate 100mbit burst 8192 latency 1ms
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ip netns exec node4 tc qdisc add dev veth46 root tbf rate 10mbit burst 8192 latency 1ms
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ip netns exec node6 tc qdisc add dev veth64 root tbf rate 10mbit burst 8192 latency 1ms
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2018-04-28 16:45:37 -05:00
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ip netns exec node1 ip link set lo up
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ip netns exec node2 ip link set lo up
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ip netns exec node3 ip link set lo up
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ip netns exec node4 ip link set lo up
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ip netns exec node5 ip link set lo up
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ip netns exec node6 ip link set lo up
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2017-12-28 22:16:20 -06:00
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ip netns exec node1 ./run --autoconf --pprof &> /dev/null &
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ip netns exec node2 ./run --autoconf --pprof &> /dev/null &
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ip netns exec node3 ./run --autoconf --pprof &> /dev/null &
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ip netns exec node4 ./run --autoconf --pprof &> /dev/null &
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ip netns exec node5 ./run --autoconf --pprof &> /dev/null &
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ip netns exec node6 ./run --autoconf --pprof &> /dev/null &
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echo "Started, to continue you should (possibly w/ sudo):"
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echo "kill" $(jobs -p)
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wait
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ip netns delete node1
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ip netns delete node2
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ip netns delete node3
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ip netns delete node4
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ip netns delete node5
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ip netns delete node6
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ip link delete veth13
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ip link delete veth23
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ip link delete veth34
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ip link delete veth45
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ip link delete veth46
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