38 lines
1.1 KiB
Bash
38 lines
1.1 KiB
Bash
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#!/bin/bash
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echo "Setting up routes..."
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# By default, docker containers don't compute UDP / TCP checksums.
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# When packets run through ns3 however, the receiving endpoint requires valid checksums.
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# This command makes sure that the endpoints set the checksum on outgoing packets.
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ethtool -K eth0 tx off
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# this relies on the IPv4 address being first in the "hostname -I" output
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IP=$(hostname -I | cut -f1 -d" ")
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GATEWAY="${IP%.*}.2"
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echo "Gateway is $GATEWAY"
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UNNEEDED_ROUTE="${IP%.*}.0"
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echo "Unneeded route is $UNNEEDED_ROUTE"
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echo "Endpoint's IPv4 address is $IP"
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route add -net 193.167.0.0 netmask 255.255.0.0 gw $GATEWAY
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echo "ROUTE ADDED"
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# delete unused route
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route del -net $UNNEEDED_ROUTE netmask 255.255.255.0
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echo "ROUTE DELETED"
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# TODO figure out if we need ipv6 configs
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# # this relies on the IPv6 address being second in the "hostname -I" output
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# IP=$(hostname -I | cut -f2 -d" ")
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# GATEWAY="${IP%:*}:2"
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# UNNEEDED_ROUTE="${IP%:*}:"
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# echo "Endpoint's IPv6 address is $IP"
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# ip -d route add fd00:cafe:cafe::/48 via $GATEWAY
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# # delete unused route
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# ip -d route del $UNNEEDED_ROUTE/64
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# create the /logs and the /logs/qlog directory
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mkdir -p /logs/qlog
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