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1
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#
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2
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# ns1 <-> nsr1 <-> nsr2 <-> ns2
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3
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#
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4
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ip netns add ns1
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5
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ip netns add nsr1
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6
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ip netns add nsr2
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7
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ip netns add ns2
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8
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9
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ip link add veth0 netns nsr1 type veth peer name veth0 netns ns1
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10
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ip link add veth1 netns nsr1 type veth peer name veth1 netns nsr2
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11
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ip link add veth0 netns nsr2 type veth peer name veth0 netns ns2
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12
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|
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13
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ip -net nsr1 addr add a010::1/64 dev veth0
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14
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ip -net nsr1 addr add b010::10/64 dev veth1
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15
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ip -net nsr1 link set up dev veth0
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|
16
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ip -net nsr1 link set up dev veth1
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|
17
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ip -net nsr1 link add name gtp0 type gtp role sgsn local ::0
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18
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ip -net nsr1 link set up dev gtp0
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19
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ip -net nsr1 ro add a011::/64 dev gtp0
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|
20
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|
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21
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ip -net nsr2 addr add a011::1/64 dev veth0
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|
22
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ip -net nsr2 addr add b010::11/64 dev veth1
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|
23
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ip -net nsr2 link set up dev veth0
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|
24
|
ip -net nsr2 link set up dev veth1
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|
25
|
ip -net nsr2 link add name gtp0 type gtp role ggsn local ::0
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|
26
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ip -net nsr2 link set up dev gtp0
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|
27
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ip -net nsr2 ro add a010::/64 dev gtp0
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|
28
|
|
|
29
|
ip netns exec nsr1 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
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|
30
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ip netns exec nsr2 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
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|
31
|
|
|
32
|
ip -net ns1 addr add a010::2/64 dev veth0
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|
33
|
ip -net ns1 link set up dev veth0
|
|
34
|
ip -net ns1 ro add default via a010::1
|
|
35
|
|
|
36
|
ip -net ns2 addr add a011::2/64 dev veth0
|
|
37
|
ip -net ns2 link set up dev veth0
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|
38
|
ip -net ns2 ro add default via a011::1
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|
39
|
|
|
40
|
# ip netns exec nsr1 ./gtp-tunnel add gtp0 v0 1 ip6 a010::2 ip6 b010::11
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|
41
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# ip netns exec nsr2 ./gtp-tunnel add gtp0 v0 1 ip6 a010::2 ip6 b010::10
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|
42
|
|
|
43
|
ip netns exec nsr1 nft -f - <<EOF
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|
44
|
flush ruleset
|
|
45
|
|
|
46
|
table ip x {
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|
47
|
chain forward {
|
|
48
|
type filter hook forward priority 0
|
|
49
|
tcp flags syn tcp option maxseg size set rt mtu
|
|
50
|
counter
|
|
51
|
}
|
|
52
|
}
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|
53
|
EOF
|
|
54
|
|
|
55
|
# ip netns exec ns2 iperf3 -s
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|
56
|
# ip netns exec ns1 iperf3 -c 192.168.10.2 -n 100G
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