Add a simple containerlab

.gitignore

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+clab-*
+**/*.bak

config/vpp1/bird-local.conf

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+protocol bfd bfd1 {
+  interface "eth2" { interval 100 ms; multiplier 30; };
+}
+
+protocol ospf v2 ospf4 {
+  ipv4 { import all; export all; };
+  area 0 {
+    interface "loop0" { stub yes; };
+    interface "eth2" { type pointopoint; cost 10; bfd on; };
+  };
+}
+
+protocol ospf v3 ospf6 {
+  ipv6 { import all; export all; };
+  area 0 {
+    interface "loop0" { stub yes; };
+    interface "eth2" { type pointopoint; cost 10; bfd on; };
+  };
+}

config/vpp1/vppcfg.yaml

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+interfaces:
+  eth1:
+    description: 'To client1'
+    mtu: 1500
+    lcp: eth1
+    addresses: [ 10.82.98.65/28, 2001:db8:8298:101::1/64 ]
+  eth2:
+    description: 'To vpp2'
+    mtu: 9000
+    lcp: eth2
+    addresses: [ 10.82.98.16/31, 2001:db8:8298:1::1/64 ]
+loopbacks:
+  loop0:
+    description: 'vpp1'
+    lcp: loop0
+    addresses: [ 10.82.98.0/32, 2001:db8:8298::/128 ]

config/vpp2/bird-local.conf

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+protocol bfd bfd1 {
+  interface "eth2" { interval 100 ms; multiplier 30; };
+}
+
+protocol ospf v2 ospf4 {
+  ipv4 { import all; export all; };
+  area 0 {
+    interface "loop0" { stub yes; };
+    interface "eth2" { type pointopoint; cost 10; bfd on; };
+  };
+}
+
+protocol ospf v3 ospf6 {
+  ipv6 { import all; export all; };
+  area 0 {
+    interface "loop0" { stub yes; };
+    interface "eth2" { type pointopoint; cost 10; bfd on; };
+  };
+}

config/vpp2/vppcfg.yaml

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+interfaces:
+  eth1:
+    description: 'To client2'
+    mtu: 1500
+    lcp: eth1
+    addresses: [ 10.82.98.81/28, 2001:db8:8298:102::1/64 ]
+  eth2:
+    description: 'To vpp1'
+    mtu: 9000
+    lcp: eth2
+    addresses: [ 10.82.98.17/31, 2001:db8:8298:1::2/64 ]
+loopbacks:
+  loop0:
+    description: 'vpp2'
+    lcp: loop0
+    addresses: [ 10.82.98.1/32, 2001:db8:8298::1/128 ]

vpp.clab.yml

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+name: learn-vpp
+prefix: ""
+
+topology:
+  kinds:
+    fdio_vpp:
+      image: git.ipng.ch/ipng/vpp-containerlab:latest
+    linux:
+      image: alpine:latest
+
+  nodes:
+    vpp1:
+      kind: fdio_vpp
+      binds:
+        - config/vpp1/vppcfg.yaml:/etc/vpp/vppcfg.yaml:ro
+        - config/vpp1/bird-local.conf:/etc/bird/bird-local.conf:ro
+    vpp2:
+      kind: fdio_vpp
+      binds:
+        - config/vpp2/vppcfg.yaml:/etc/vpp/vppcfg.yaml:ro
+        - config/vpp2/bird-local.conf:/etc/bird/bird-local.conf:ro
+    client1:
+      kind: linux
+      exec:
+        - ip link set address 00:c1:ab:00:00:01 dev eth1
+        - ip addr add 10.82.98.66/28 dev eth1
+        - ip route add 10.82.98.0/24 via 10.82.98.65
+        - ip addr add 2001:db8:8298:101::2/64 dev eth1
+        - ip route add 2001:db8:8298::/48 via 2001:db8:8298:101::1
+    client2:
+      kind: linux
+      exec:
+        - ip link set address 00:c1:ab:00:00:02 dev eth1
+        - ip addr add 10.82.98.82/28 dev eth1
+        - ip route add 10.82.98.0/24 via 10.82.98.81
+        - ip addr add 2001:db8:8298:102::2/64 dev eth1
+        - ip route add 2001:db8:8298::/48 via 2001:db8:8298:102::1
+
+  links:
+    - endpoints: ["vpp1:eth2", "vpp2:eth2"]
+    - endpoints: ["client1:eth1", "vpp1:eth1"]
+    - endpoints: ["client2:eth1", "vpp2:eth1"]