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Hiroki Shirokura
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Add examples/basic_rift
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‎examples/basic_rift/README.md

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# RIFT: Routing In Fat Tree
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This is evaluation of rift-python powered by IETF.
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- draft-ietf-rift-rift-03 https://tools.ietf.org/html/draft-ietf-rift-rift-03
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- rift-python https://github.com/brunorijsman/rift-python
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- juniper's explanation (ppt) https://www.ripe.net/participate/forms/uploads/fobi_plugins/file/see7/Szarkowicz_RIFT_RIPE_TM_bbd50ec4-6dab-4c14-acea-1e767ef7f9da.pptx
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- Kobayashi-san's good explanation jp, (this is talking about rift-01).
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https://www.slideshare.net/MasayukiKobayashi/rift-a-new-routing-protocol-for-ip-fabrics
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- Miyasaka-san's good explanation jp about IETF100-report that includes about RIFT.
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https://www.isoc.jp/wiki.cgi?action=ATTACH&file=s4%2Dmiyasaka%2Epdf&page=IETF100Update
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![](./topo.png)
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```
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tn upconf | sudo sh
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docker exec -it Spine1 telnet localhost `docker exec Spine1 cat /rift`
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Trying 127.0.0.1...
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Connected to localhost.
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Escape character is '^]'.
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Spine1> show interfaces
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+-----------+------------+-----------+-----------+
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| Interface | Neighbor | Neighbor | Neighbor |
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| Name | Name | System ID | State |
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+-----------+------------+-----------+-----------+
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| net0 | Leaf1:net0 | 1001 | THREE_WAY |
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+-----------+------------+-----------+-----------+
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| net1 | Leaf2:net0 | 1002 | THREE_WAY |
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+-----------+------------+-----------+-----------+
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```
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Basically In the RIFT world, Southbound side was received to-Northbound-route
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as a default-route (0.0.0.0/0, 0::/0). We can check that with following cli
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```
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docker exec Leaf1 ip -4 route list
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default proto 99
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nexthop via 99.1.2.2 dev net0 weight 2
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nexthop via 99.3.4.4 dev net1 weight 2
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77.1.0.0/24 dev net2 proto kernel scope link src 77.1.0.1
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99.1.2.0/24 dev net0 proto kernel scope link src 99.1.2.1
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99.3.4.0/24 dev net1 proto kernel scope link src 99.3.4.3
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```

‎examples/basic_rift/ietf_rift_python/meta_topology_2c_2x2.yaml

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nr-leaf-nodes-per-pod: 2
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nr-spine-nodes-per-pod: 2

‎examples/basic_rift/ietf_rift_python/rift_leaf1.yaml

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shards:
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- id: 0
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nodes:
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- name: Leaf1
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level: 0
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systemid: 1001
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interfaces:
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- name: net0 # leaf1:net0 -> spine1:net0
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- name: net1 # leaf1:net1 -> spine2:net0
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- name: net2
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v4prefixes:
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- address: 88.0.1.1
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mask: 32
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metric: 1
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- address: 77.1.0.0
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mask: 24
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metric: 1

‎examples/basic_rift/ietf_rift_python/rift_leaf2.yaml

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shards:
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- id: 0
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nodes:
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- name: Leaf2
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level: 0
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systemid: 1002
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interfaces:
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- name: net0 # leaf2:net0 -> spine1:net1
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- name: net1 # leaf2:net1 -> spine2:net1
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- name: net2
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v4prefixes:
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- address: 88.0.2.1
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mask: 32
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metric: 1
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- address: 77.2.0.0
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mask: 24
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metric: 1

‎examples/basic_rift/ietf_rift_python/rift_spine1.yaml

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shards:
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- id: 0
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nodes:
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- name: Spine1
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level: 1
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systemid: 101
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interfaces:
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- name: net0 # spine1:net0 -> leaf1:net0
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- name: net1 # spine1:net1 -> leaf2:net0
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v4prefixes:
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- address: 88.1.1.1
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mask: 32
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metric: 1

‎examples/basic_rift/ietf_rift_python/rift_spine2.yaml

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shards:
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- id: 0
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nodes:
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- name: Spine2
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level: 1
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systemid: 102
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interfaces:
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- name: net0 # spine2:net0 -> leaf1:net1
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- name: net1 # spine2:net1 -> leaf2:net1
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v4prefixes:
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- address: 88.1.2.1
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mask: 32
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metric: 1

‎examples/basic_rift/spec.yaml

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postinit:
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- cmds:
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- cmd: docker cp ietf_rift_python/rift_spine1.yaml Spine1:/root/config.yaml
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- cmd: docker cp ietf_rift_python/rift_spine2.yaml Spine2:/root/config.yaml
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- cmd: docker cp ietf_rift_python/rift_leaf1.yaml Leaf1:/root/config.yaml
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- cmd: docker cp ietf_rift_python/rift_leaf2.yaml Leaf2:/root/config.yaml
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nodes:
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- name: Spine1
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image: slankdev/rift:ietf-rift-03
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interfaces:
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- { name: net0, type: direct, args: Leaf1#net0 }
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- { name: net1, type: direct, args: Leaf2#net0 }
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- name: Spine2
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image: slankdev/rift:ietf-rift-03
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interfaces:
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- { name: net0, type: direct, args: Leaf1#net1 }
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- { name: net1, type: direct, args: Leaf2#net1 }
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- name: Leaf1
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image: slankdev/rift:ietf-rift-03
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interfaces:
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- { name: net0, type: direct, args: Spine1#net0 }
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- { name: net1, type: direct, args: Spine2#net0 }
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- { name: net2, type: direct, args: Serv1#net0 }
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- name: Leaf2
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image: slankdev/rift:ietf-rift-03
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interfaces:
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- { name: net0, type: direct, args: Spine1#net1 }
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- { name: net1, type: direct, args: Spine2#net1 }
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- { name: net2, type: direct, args: Serv2#net0 }
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- name: Serv1
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image: slankdev/ubuntu:18.04
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interfaces: [ { name: net0, type: direct, args: Leaf1#net2 } ]
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- name: Serv2
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image: slankdev/ubuntu:18.04
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interfaces: [ { name: net0, type: direct, args: Leaf2#net2 } ]
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node_configs:
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- name: Spine1
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cmds:
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- cmd: ip addr add 88.1.1.1/32 dev lo
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- cmd: ip addr add 99.1.2.2/24 dev net0
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- cmd: ip addr add 99.5.6.6/24 dev net1
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- cmd: >-
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nohup bash -c "source rift-python/env/bin/activate;
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python rift-python/rift --telnet-port-file /rift config.yaml" &
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- name: Spine2
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cmds:
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- cmd: ip addr add 88.1.2.1/32 dev lo
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- cmd: ip addr add 99.3.4.4/24 dev net0
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- cmd: ip addr add 99.7.8.8/24 dev net1
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- cmd: >-
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nohup bash -c "source rift-python/env/bin/activate;
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python rift-python/rift --telnet-port-file /rift config.yaml" &
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- name: Leaf1
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cmds:
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- cmd: ip addr add 88.0.1.1/32 dev lo
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- cmd: ip addr add 99.1.2.1/24 dev net0
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- cmd: ip addr add 99.3.4.3/24 dev net1
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- cmd: ip addr add 77.1.0.1/24 dev net2
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- cmd: >-
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nohup bash -c "source rift-python/env/bin/activate;
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python rift-python/rift --telnet-port-file /rift config.yaml" &
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- name: Leaf2
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cmds:
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- cmd: ip addr add 88.0.2.1/32 dev lo
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- cmd: ip addr add 99.5.6.5/24 dev net0
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- cmd: ip addr add 99.7.8.7/24 dev net1
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- cmd: ip addr add 77.2.0.1/24 dev net2
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- cmd: >-
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nohup bash -c "source rift-python/env/bin/activate;
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python rift-python/rift --telnet-port-file /rift config.yaml" &
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- name: Serv1
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cmds:
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- cmd: ip addr add 77.1.0.2/24 dev net0
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- cmd: ip route add default via 77.1.0.1
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- name: Serv2
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cmds:
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- cmd: ip addr add 77.2.0.2/24 dev net0
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- cmd: ip route add default via 77.2.0.1
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test:
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- name: p2p
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cmds:
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- cmd: echo slankdev slankdev
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- cmd: echo slankdev slankdev
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‎examples/basic_rift/topo.png

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