Hi Iwase,
Sorry for my last email I accidentally send it.
I have a triangular topology as shown below. I have followed steps as shown
in RYU documentation, interface addresses are also same except, I have
added a link between s1 to s3 as shown below.
[image: Inline image 1]
Router Port 1
Port 2 Port 3
s1 172.16.20.1 <http://172.16.20.1/24> 172.16.40.1 <http://172.16.40.1/24>
172.16.30.30 <http://172.16.30.30/24>
s2 172.16.10.1 172.16.30.1 192.168.10.1
s3 192.168.30.1 172.16.40.2 192.168.10.20
Flows Installed in the following manner-
*For Router S1 *
"route": [
{
"route_id": 3,
"destination": "0.0.0.0/0",
"gateway": "172.16.40.2"
},
{
"route_id": 2,
"destination": "172.16.10.0/24",
"gateway": "172.16.30.1"
}
],
*Router S2 --*
"route": [
{
"route_id": 1,
"destination": "0.0.0.0/0",
"gateway": "172.16.30.30"
},
{
"route_id": 2,
"destination": "192.168.30.0/24
<http://172.16.10.0/24>",
"gateway": "192.168.10.20"
}
],
*Router S3 -- *
"route": [
{
"route_id": 1,
"destination": "0.0.0.0/0",
"gateway": "172.16.40.1"
},
{
"route_id": 2,
"destination": "172.16.10.10/24
<http://172.16.10.0/24>",
"gateway": "192.168.10.1"
}
],
>From the above configuration, I should be able to ping s3 from s1 and s1
should directly send packets to s3 (*not through s2*), but it takes the
path through s2 although its not configured.
>From the s1 router configuration above- if the destination ip of s3 is
given as s1, it should be sent through gateway 172.16.40.2.
I am wondering
1. if link between s1 to s3 is in block state due to STP then why it is
blocking the ICMP packets instead of ARP?
2. If the STP is not the real issue what else it would be?
I started the controller using - *ryu-manager ryu.app.rest_router
ryu.app.simple_switch_stp_13 ryu.app.ofctl_rest*
Thanks!
Taha
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