Scenario:

1. Two switches connected to ODL.
2. Tunnels created among them by genius-auto-tunnel feature and they are in UP state.
3. Bridge br-int is deleted on one switch and TEP corresponding to switch is also deleted from transport-zone.
4. Bridge br-int is created again.
5. TEP interface which was present on old br-int (that was deleted) is still present with UNKNOWN state in tep:show-state CLI and also in REST output of URL: http://localhost:8181/restconf/operational/ietf-interfaces:interfaces-state/

 Output:

No Title

{

                "name": "tun9a610ac5fb8",

                "lower-layer-if": [

                    "openflow:205394741551683:1"

                ],

                "type": "iana-if-type:tunnel",

                "if-index": 4,

                "statistics":

{                     "discontinuity-time": "2018-04-12T10:05:13.738Z"                 }

,

                "phys-address": "0a:9b:ca:40:1e:a9",

                "admin-status": "up",

                "oper-status": "unknown"

            },

            {

                "name": "tun920ad5df93c",

                "lower-layer-if": [

                    "openflow:249401263927879:1"

                ],

                "type": "iana-if-type:tunnel",

                "if-index": 6,

                "statistics":

{                     "discontinuity-time": "2018-04-12T10:06:39.240Z"                 }

,

                "phys-address": "3e:3e:2c:c3:0a:75",

                "admin-status": "up",

                "oper-status": "unknown"

            },

 

 CLI output::

opendaylight-user@root>tep:show-state

Tunnel Name       Source-DPN        Destination-DPN   Source-IP         Destination-IP    Trunk-State  Transport Type

-------------------------------------------------------------------------------------------------------------------------------------

tun5e4fcc86a6b    266566598320975   11993393404231    192.168.56.251    192.168.56.250    UP          VXLAN

tun9a4e266ac54    11993393404231    266566598320975   192.168.56.250    192.168.56.251    UP          VXLAN

tun920ad5df93c    249401263927879   266566598320975   192.168.56.250    192.168.56.251    UNKNOWN     VXLAN

tun9a610ac5fb8    205394741551683   266566598320975   192.168.56.250    192.168.56.251    UNKNOWN     VXLAN

opendaylight-user@root>

 

opendaylight-user@root>tep:show

Tunnel Monitoring (for VXLAN tunnels): On

Tunnel Monitoring Interval (for VXLAN tunnels): 10000

 

 

TransportZone     TunnelType        SubnetMask        GatewayIP     VlanID       DpnID        IPAddress        PortName

------------------------------------------------------------------------------------------------------------------------------

default-transport-zone  VXLAN             255.255.255.255/32  0.0.0.0       0            11993393404231 192.168.56.250

default-transport-zone  VXLAN             255.255.255.255/32  0.0.0.0       0            266566598320975 192.168.56.251

opendaylight-user@root>