diff --git a/Ex-02.pdf b/Ex-02.pdf
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diff --git a/Uebung2/Commands.txt b/Uebung2/Commands.txt
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+Commands for Problem 2.3:
+
+Figure 3
+
+sysctl -w net.ipv6.conf.all.disable_ipv6=0
+
+sysctl -w net.ipv6.conf.default.disable_ipv6=0
+
+ip -6 a a fdee:af92:9c96:1001:0000:0000:0000:0001/64 dev h1-eth0
+
+ip -6 n a fdee:af92:9c96:1001:0000:0000:0000:1001 lladdr 00:00:00:01:01:00 dev h1-eth0
+
+ip -6 r a fdee:af92:9c96:1002:0000:0000:0000:0001/64 via fdee:af92:9c96:1001:0000:0000:0000:1001 dev h1-eth0
+
+
+
+Figure 4
+
+sysctl -w net.ipv6.conf.all.disable_ipv6=0
+
+sysctl -w net.ipv6.conf.default.disable_ipv6=0
+
+ip -6 a a fdee:af92:9c96:1002:0000:0000:0000:0002/64 dev h2-eth0
+
+ip -6 n a fdee:af92:9c96:1002:0000:0000:0000:1001 lladdr 00:00:00:02:02:00 dev h2-eth0
+
+ip -6 r a fdee:af92:9c96:1001:0000:0000:0000:0001/64 via fdee:af92:9c96:1002:0000:0000:0000:1001 dev h2-eth0
+
+
+Figure 5
+
+sysctl -w net.ipv6.conf.all.disable_ipv6=0
+
+sysctl -w net.ipv6.conf.default.disable_ipv6=0
+
+ip tunnel add 6in4 mode sit remote 10.0.1.254 local 10.0.1.1 ttl 64
+
+ip link set 6in4 up mtu 1400
+
+ip addr add fdee:af92:9c96:1001:0000:0000:0000:0001/64 dev 6in4
+
+ip route add ::/0 dev 6in4
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