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Bug #1952 » test2-netns-gtp-ipv4-over-ipv6.sh

pablo, 11/15/2023 11:44 PM

 
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#
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#  ns1 <-> nsr1 <-> nsr2 <-> ns2
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#
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ip netns add ns1
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ip netns add nsr1
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ip netns add nsr2
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ip netns add ns2
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ip link add veth0 netns nsr1 type veth peer name veth0 netns ns1
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ip link add veth1 netns nsr1 type veth peer name veth1 netns nsr2
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ip link add veth0 netns nsr2 type veth peer name veth0 netns ns2
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ip -net nsr1 addr add 10.141.10.1/24 dev veth0
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ip -net nsr1 addr add a010::1/64 dev veth0
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ip -net nsr1 addr add b010::10/64 dev veth1
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ip -net nsr1 link set up dev veth0
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ip -net nsr1 link set up dev veth1
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#ip -net nsr1 link add name gtp0 type gtp role sgsn local ::0
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ip netns exec nsr1 ./gtp-link add gtp0 ip6 --sgsn &
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sleep 2
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ip -net nsr1 link set up dev gtp0
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ip -net nsr1 ro add 10.141.11.0/24 dev gtp0
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ip -net nsr2 addr add 10.141.11.1/24 dev veth0
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ip -net nsr2 addr add a011::1/64 dev veth0
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ip -net nsr2 addr add b010::11/64 dev veth1
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ip -net nsr2 link set up dev veth0
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ip -net nsr2 link set up dev veth1
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#ip -net nsr2 link add name gtp0 type gtp role ggsn local ::0
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ip netns exec nsr2 ./gtp-link add gtp0 ip6 &
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sleep 2
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ip -net nsr2 link set up dev gtp0
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ip -net nsr2 ro add 10.141.10.0/24 dev gtp0
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ip netns exec nsr1 sysctl net.ipv4.ip_forward=1 > /dev/null
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ip netns exec nsr2 sysctl net.ipv4.ip_forward=1 > /dev/null
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ip netns exec nsr1 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
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ip netns exec nsr2 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
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ip -net ns1 addr add 10.141.10.2/24 dev veth0
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ip -net ns1 link set up dev veth0
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ip -net ns1 ro add default via 10.141.10.1
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ip -net ns2 addr add 10.141.11.2/24 dev veth0
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ip -net ns2 link set up dev veth0
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ip -net ns2 ro add default via 10.141.11.1
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ip netns exec nsr1 ./gtp-tunnel add gtp0 v0 1 10.141.10.2 b010::11
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ip netns exec nsr2 ./gtp-tunnel add gtp0 v0 1 10.141.10.2 b010::10
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# for iperf3, adjust TCPMSS
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ip netns exec nsr1 nft -f - <<EOF
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flush ruleset
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table ip x {
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	chain forward {
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		type filter hook forward priority 0
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		tcp flags syn tcp option maxseg size set rt mtu
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		counter
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	}
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}
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EOF
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# ip netns exec ns2 iperf3 -s
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# ip netns exec ns1 iperf3 -c 192.168.10.2 -n 100G
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