Hi again,

On 2016年12月06日 15:39, ホンパンニャー wrote:
> 
> Hi everyone,
> 
> I am doing an experiment with my mini-server running
> 
>          OVS 
> 
>          ryu 4.7 
> 
>          mininet
> 
> 
> In mininet, i used below command to create a network topology which has one 
> switch and 2 hosts. 
> 
> 
> sudo mn --topo single,3 --mac --switch ovsk --controller remote -x
> 
> 
> and then i changed the ip of each host as below 
> 
> 
> h1: 10.0.0.1/28 <http://10.0.0.1/28> 
> 
> h2: 10.0.0.17/28 <http://10.0.0.17/28>
> 
> 
>  I want to implement the firewall into my network topology by running 
> rest_firewall.py through ryu-manager. After running rest_firewall.py on ryu 
> controller, I execute these command:
> 
> 
> # Enable firewall on switch dpid=1
> 
> $ curl -X PUT http://localhost:8080/firewall/module/enable/0000000000000001
> 
> 
> # Install rules for ICMP connectivity.
> 
> $ curl -X POST -d '{"nw_src": "10.0.0.0/28 <http://10.0.0.0/28>", "nw_dst": 
> "10.0.0.16/28 <http://10.0.0.16/28>", "nw_proto": "ICMP"}' 
> http://localhost:8080/firewall/rules/0000000000000001
> 
> $ curl -X POST -d '{"nw_src": "10.0.0.16/28 <http://10.0.0.16/28>", "nw_dst": 
> "10.0.0.1/28 <http://10.0.0.1/28>", "nw_proto": "ICMP"}' 
> http://localhost:8080/firewall/rules/0000000000000001
> 
> 
> Then i tried to ping from h1 to h2 from mininet but i got an error message 
> which said "network couldn't be reached". It seems like there is no route to 
> each network. So my question are:
> 
>  1. Does rest_firewall.py work across the networks ? 
>  2. If it works, How to set the route to each network ?

This is because rest_firewall does not provide L3 routing features, I guess.
As rest_router doing, you need to resolve L3 reachability at your switch, first.

Thanks,
Iwase


> 
> Best Regards,
> Hong Panha
> -- 
> 東京工科大学 コンピュータサイエンス学部 ネットワークコース 4年次
> ホン パンニャー
> HONG Panha
> Tel: 090 6523 1168
> Email:  c011361...@edu.teu.ac.jp <mailto:c011361...@edu.teu.ac.jp>
> 〒192-0372 東京都八王子市下柚木1987-1大学セミナーハウス102号室
> 
> 
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