*Dear All,* *I am testing the test_mpls.py ryu application in mininet. The application is executing fine: MPLS flow is getting installed in OVS switch, however the hosts are unreachable when ping.*
*Starting the ryu test_mpls application:* ubuntu@sdnhubvm:~/ryu[07:27] (master)$ ./bin/ryu-manager --verbose ryu/app/test_mpls.py loading app ryu/app/test_mpls.py loading app ryu.controller.ofp_handler instantiating app None of DPSet creating context dpset instantiating app ryu/app/test_mpls.py of RunTestMininet instantiating app ryu.controller.ofp_handler of OFPHandler *On mininet:* ubuntu@sdnhubvm:~/mininet[07:36] (master)$ sudo mn --topo linear,3 --mac --switch ovsk,protocols=OpenFlow12 --controller remote *** Creating network *** Adding controller *** Adding hosts: h1 h2 h3 *** Adding switches: s1 s2 s3 *** Adding links: (h1, s1) (h2, s2) (h3, s3) (s2, s1) (s3, s2) *** Configuring hosts h1 h2 h3 *** Starting controller c0 *** Starting 3 switches s1 s2 s3 ... *** Starting CLI: mininet> *OVS-FLOWS:* ubuntu@sdnhubvm:~[07:39]$ sudo ovs-ofctl -O OpenFlow12 dump-flows s1 OFPST_FLOW reply (OF1.2) (xid=0x2): cookie=0x0, duration=170.598s, table=0, n_packets=0, n_bytes=0, priority=255,mpls,in_port=1,mpls_label=80 actions=pop_mpls:0x0800,output:2 cookie=0x0, duration=170.597s, table=0, n_packets=0, n_bytes=0, priority=255,mpls,in_port=1,mpls_label=100 actions=push_mpls:0x8847,set_field:200->mpls_label,output:2 cookie=0x0, duration=170.598s, table=0, n_packets=0, n_bytes=0, priority=255,ip,in_port=1 actions=push_mpls:0x8847,set_field:90->mpls_label,output:2 *OVS-VERSION:*ubuntu@sdnhubvm:~[07:39]$ ovs-ofctl --version ovs-ofctl (Open vSwitch) 2.3.90 Compiled Jan 8 2015 11:52:49 OpenFlow versions 0x1:0x4 *PING:* mininet> h1 ping -c1 h3 PING 10.0.0.3 (10.0.0.3) 56(84) bytes of data. >From 10.0.0.1 icmp_seq=1 Destination Host Unreachable --- 10.0.0.3 ping statistics --- 1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms *Wireshark also not showing any MPLS traffic.* *Kindly help, i need to get this test done successfully. * *Waiting in anticipation......* *Would be extremely grateful for any help on this.* *Hadem.* *Reasearch Scholar.*
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