Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen gezeigt.

--- lpi2:routing [2024/04/15 06:22]
ingo_wichmann [5 Routen]
+++ lpi2:routing [2024/04/28 09:52] (aktuell)
@@ Zeile 1: / Zeile 1: @@
-====== 5 Routen ======
+====== Routen von a nach c ======
 {{ :lpi2:routing5.svg |}}
+===== "Router" anlegen =====
   ip netns add a
   ip netns add b1
   ip netns add b2
   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-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 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-b2  netns a
@@ Zeile 22: / Zeile 25: @@
   ip link set dev c-b1  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
+  export PS1="${debian_chroot:+($debian_chroot)}\u@ns-a-:\w\$ "
   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-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
+  export PS1="${debian_chroot:+($debian_chroot)}\u@ns-b1-:\w\$ "
   sysctl -w 'net.ipv6.conf.all.forwarding=1'
+  ip link set up dev lo
   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
+  export PS1="${debian_chroot:+($debian_chroot)}\u@ns-b2-:\w\$ "
   sysctl -w 'net.ipv6.conf.all.forwarding=1'
+  ip link set up dev lo
   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
+  export PS1="${debian_chroot:+($debian_chroot)}\u@ns-c-:\w\$ "
   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-b2
   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}}
-  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

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