Hier werden die Unterschiede zwischen zwei Versionen gezeigt.
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lpi2:routing [2024/04/15 06:22] ingo_wichmann [5 Routen] |
lpi2:routing [2024/04/28 09:52] (aktuell) |
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Zeile 1: | Zeile 1: | ||
- | ====== 5 Routen ====== | + | ====== Routen von a nach c ====== |
{{ :lpi2:routing5.svg |}} | {{ :lpi2:routing5.svg |}} | ||
+ | ===== "Router" anlegen ===== | ||
ip netns add a | ip netns add a | ||
ip netns add b1 | ip netns add b1 | ||
ip netns add b2 | ip netns add b2 | ||
ip netns add c | ip netns add c | ||
- | ip link set dev a0 netns a | + | ===== "Kabel" verlegen ===== |
+ | ip link add a0 type dummy | ||
ip link add a-b1 type veth peer name b1-a | ip link add a-b1 type veth peer name b1-a | ||
ip link add a-b2 type veth peer name b2-a | ip link add a-b2 type veth peer name b2-a | ||
Zeile 11: | Zeile 13: | ||
ip link add b1-c type veth peer name c-b1 | ip link add b1-c type veth peer name c-b1 | ||
ip link add b2-c type veth peer name c-b2 | ip link add b2-c type veth peer name c-b2 | ||
- | ip link set dev c0 netns c | + | ip link add c0 type dummy |
+ | ip link set dev a0 netns a | ||
ip link set dev a-b1 netns a | ip link set dev a-b1 netns a | ||
ip link set dev a-b2 netns a | ip link set dev a-b2 netns a | ||
Zeile 22: | Zeile 25: | ||
ip link set dev c-b1 netns c | ip link set dev c-b1 netns c | ||
ip link set dev c-b2 netns c | ip link set dev c-b2 netns c | ||
+ | ip link set dev c0 netns c | ||
- | Terminal a: | + | ===== Terminal a konfigurieren ===== |
ip netns exec a /bin/bash | ip netns exec a /bin/bash | ||
+ | export PS1="${debian_chroot:+($debian_chroot)}\u@ns-a-:\w\$ " | ||
sysctl -w 'net.ipv6.conf.all.forwarding=1' | sysctl -w 'net.ipv6.conf.all.forwarding=1' | ||
+ | ip link set up dev lo | ||
+ | ip link set up dev a0 | ||
ip link set up dev a-b1 | ip link set up dev a-b1 | ||
ip link set up dev a-b2 | ip link set up dev a-b2 | ||
- | ip link set up dev c0 | + | ip addr add fc0a::a/64 dev a0 |
- | ip addr add fca::1/64 dev a0 | + | ip addr add fc01::a/64 dev a-b1 |
- | ip addr add fca:b1::a/64 dev a-b1 | + | ip addr add fc02::a/64 dev a-b2 |
- | ip addr add fca:b2::a/64 dev a-b2 | + | |
+ | Prüfen: | ||
+ | ip -6 -c addr show | ||
- | Terminal b1: | + | ===== Terminal b1 konfigurieren ===== |
ip netns exec b1 /bin/bash | ip netns exec b1 /bin/bash | ||
+ | export PS1="${debian_chroot:+($debian_chroot)}\u@ns-b1-:\w\$ " | ||
sysctl -w 'net.ipv6.conf.all.forwarding=1' | sysctl -w 'net.ipv6.conf.all.forwarding=1' | ||
+ | ip link set up dev lo | ||
ip link set up dev b1-a | ip link set up dev b1-a | ||
- | ip addr add fca:b1::b1/64 dev b1-a | + | ip link set up dev b1-b2 |
- | ip addr add fcb1:b2::b1/64 dev b1-b2 | + | ip link set up dev b1-c |
- | ip addr add fcb1:c::b1/64 dev b1-c | + | ip addr add fc01::b1/64 dev b1-a |
- | ping -qc1 fca:b1::a | + | ip addr add fc03::b1/64 dev b1-b2 |
+ | ip addr add fc04::b1/64 dev b1-c | ||
- | Terminal b2: | + | Prüfen: |
+ | ip -6 -c addr show | ||
+ | ip -6 -c route show | ||
+ | ping -qc1 fc01::a | ||
+ | |||
+ | ===== Terminal b2 konfigurieren ===== | ||
ip netns exec b2 /bin/bash | ip netns exec b2 /bin/bash | ||
+ | export PS1="${debian_chroot:+($debian_chroot)}\u@ns-b2-:\w\$ " | ||
sysctl -w 'net.ipv6.conf.all.forwarding=1' | sysctl -w 'net.ipv6.conf.all.forwarding=1' | ||
+ | ip link set up dev lo | ||
ip link set up dev b2-a | ip link set up dev b2-a | ||
- | ip addr add fca:b1::b2/64 dev b2-a | + | ip link set up dev b2-b1 |
- | ip addr add fcb1:b2::b2/64 dev b2-b1 | + | ip link set up dev b2-c |
- | ip addr add fcb1:c::b2/64 dev b2-c | + | ip addr add fc02::b2/64 dev b2-a |
- | ping -qc1 fca:b2::a | + | ip addr add fc03::b2/64 dev b2-b1 |
+ | ip addr add fc05::b2/64 dev b2-c | ||
- | Terminal c: | + | Prüfen: |
+ | ip -6 -c addr show | ||
+ | ip -6 -c route show | ||
+ | ping -qc1 fc02::a | ||
+ | ping -qc1 fc03::b1 | ||
+ | |||
+ | ===== Terminal c konfigurieren ===== | ||
ip netns exec c /bin/bash | ip netns exec c /bin/bash | ||
+ | export PS1="${debian_chroot:+($debian_chroot)}\u@ns-c-:\w\$ " | ||
sysctl -w 'net.ipv6.conf.all.forwarding=1' | sysctl -w 'net.ipv6.conf.all.forwarding=1' | ||
+ | ip link set up dev lo | ||
ip link set up dev c-b1 | ip link set up dev c-b1 | ||
ip link set up dev c-b2 | ip link set up dev c-b2 | ||
ip link set up dev c0 | ip link set up dev c0 | ||
- | ip addr add fcb1:c::c/64 dev c-b1 | + | ip addr add fc04::c/64 dev c-b1 |
- | ip addr add fcb2:c::c/64 dev c-b2 | + | ip addr add fc05::c/64 dev c-b2 |
- | ip addr add fcc::1/64 dev c0 | + | ip addr add fc0c::c/64 dev c0 |
- | ping -qc1 fcb1:c::b1 | + | |
- | ping -qc1 fcb2:c::b2 | + | |
- | ====== 8 Routen ====== | + | Prüfen: |
+ | ip -6 -c addr show | ||
+ | ip -6 -c route show | ||
+ | ping -qc1 fc04::b1 | ||
+ | ping -qc1 fc05::b2 | ||
+ | |||
+ | ====== Routen von a nach d ====== | ||
{{:fortgeschrittene:pasted:20230818-145100.png}} | {{:fortgeschrittene:pasted:20230818-145100.png}} | ||
- | ip netns add a | ||
- | ip netns add b1 | ||
- | ip netns add b2 | ||
- | ip netns add c1 | ||
- | ip netns add c2 | ||
- | ip netns add d | ||
- | ip link add a-b1 type veth peer name b1-a | ||
- | ip link add a-b2 type veth peer name b2-a | ||
- | ip link add b1-c1 type veth peer name c1-b1 | ||
- | ip link add b1-c2 type veth peer name c2-b1 | ||
- | ip link add b2-c1 type veth peer name c1-b2 | ||
- | ip link add b2-c2 type veth peer name c2-b2 | ||
- | ip link add c2-d type veth peer name d-c2 | ||
- | ip link add c1-d type veth peer name d-c1 | ||
- | ip link set dev a-b1 netns a | ||
- | ip link set dev a-b2 netns a | ||
- | ip link set dev b1-a netns b1 | ||
- | ip link set dev b1-c1 netns b1 | ||
- | ip link set dev b1-c2 netns b1 | ||
- | ip link set dev b2-a netns b2 | ||
- | ip link set dev b2-c1 netns b2 | ||
- | ip link set dev b2-c2 netns b2 | ||
- | ip link set dev c1-b1 netns c1 | ||
- | ip link set dev c1-b2 netns c1 | ||
- | ip link set dev c1-d netns c1 | ||
- | ip link set dev c2-b1 netns c2 | ||
- | ip link set dev c2-b2 netns c2 | ||
- | ip link set dev c2-d netns c2 | ||
- | ip link set dev d-c1 netns d | ||
- | ip link set dev d-c2 netns d | ||
- | |||
- | Terminal a: | ||
- | ip netns exec a /bin/bash | ||
- | ip link set up dev a-b1 | ||
- | ip addr add fc0a:b1::a/64 dev a-b1 | ||
- | |||
- | Terminal b1: | ||
- | ip netns exec b1 /bin/bash | ||
- | ip link set up dev b1-a | ||
- | ip addr add fc0a:b1::b1/64 dev b1-a | ||
- | ping fc0a:b1::a | ||
- | |||