[#VPNSERVICE-4] Table 20 and 21 entries not installed in single dpn scenario

[VPNSERVICE-4] Table 20 and 21 entries not installed in single dpn scenario Created: 21/May/15 Updated: 19/Oct/17 Resolved: 24/Jun/15
Status:	Verified
Project:	vpnservice
Component/s:	General
Affects Version/s:	unspecified
Fix Version/s:	None

Type:

Bug

Reporter:

Sindhuri B

Assignee:

Unassigned

Resolution:

Done

Votes:

Labels:

None

Remaining Estimate:

Not Specified

Time Spent:

Not Specified

Original Estimate:

Not Specified

Environment:

Operating System: All
Platform: All

Attachments:

configuration.txt

karaf.log

Severity:

normal

External issue ID:

3320

Description

When vpn service is configured for single dpn 2 hosts scenario, the table 20 and 21 entries are not being configured in the switch.

Steps:
====
->install vpnservice
~~>connect switch h1~~-s1--h2
->Create vpn instance
->Create ietf interfaces for s1-eth1 and s1-eth2
->create vpn insterfaces for s1-eth1 and s1-eth2

Fib entries are seen in the datastore for the 2 hosts as below:

Fib entries:
===========
http://localhost:8181/restconf/config/odl-fib:fibEntries/
Response Body
{
"fibEntries": {
"vrfTables": [
{
"routeDistinguisher": "4000:1",
"vrfEntry": [

{ "destPrefix": "10.0.0.2", "label": 2 }

{ "destPrefix": "10.0.0.1", "label": 3 }

]
}
]
}
}

Switch entries:
===========
mininet> dpctl dump-groups -O OpenFlow13

- - s1 ------------------------------------------------------------------------
    OFPST_GROUP_DESC reply (OF1.3) (xid=0x2):
    group_id=1,type=indirect,bucket=weight:0,actions=pop_mpls:0x0800,set_field:d2:18:94:2b:ce:29->eth_dst,output:2
    group_id=2,type=indirect,bucket=weight:0,actions=pop_mpls:0x0800,set_field:aa:18:58:dd:12:55->eth_dst,output:1
    mininet> dpctl dump-flows -O OpenFlow13
  - s1 ------------------------------------------------------------------------
    OFPST_FLOW reply (OF1.3) (xid=0x2):
    cookie=0x8000001, duration=1011.452s, table=0, n_packets=0, n_bytes=0, priority=10,in_port=1 actions=write_metadata:0x1/0xffffffff,goto_table:21
    cookie=0x8000001, duration=1011.465s, table=0, n_packets=0, n_bytes=0, priority=10,in_port=2 actions=write_metadata:0x1/0xffffffff,goto_table:21
    cookie=0x1030000, duration=1343.440s, table=20, n_packets=0, n_bytes=0, priority=0 actions=write_actions(CONTROLLER:65535)
    cookie=0x8000003, duration=1343.440s, table=21, n_packets=0, n_bytes=0, priority=0 actions=write_actions(CONTROLLER:65535)
    mininet>

Errors observed in the controller:
=========================

Workaround:
==========
Workaroung is to configure GRE tunnel for single dpn scenario also.

Comments

Comment by Sindhuri B [ 21/May/15 ]

Attachment configuration.txt has been added with description: configuration

Comment by Sindhuri B [ 21/May/15 ]

Attachment karaf.log has been added with description: karaf logs

Comment by Sindhuri B [ 05/Jun/15 ]

After the fix, without configuring GRE tunnels the entries in the switch are programmed correctly.

mininet> dpctl dump-flows -O OpenFlow13

- - s1 ------------------------------------------------------------------------
    OFPST_FLOW reply (OF1.3) (xid=0x2):
    cookie=0x0, duration=5.098s, table=0, n_packets=0, n_bytes=0, arp actions=FLOOD
    cookie=0x8000001, duration=5.052s, table=0, n_packets=4, n_bytes=340, priority=10,in_port=2 actions=write_metadata:0x1/0xffffffff,goto_table:21
    cookie=0x8000001, duration=5.052s, table=0, n_packets=5, n_bytes=418, priority=10,in_port=1 actions=write_metadata:0x1/0xffffffff,goto_table:21
    cookie=0x8000002, duration=5.038s, table=20, n_packets=0, n_bytes=0, priority=10,mpls,mpls_label=3 actions=write_actions(group:2)
    cookie=0x8000002, duration=5.038s, table=20, n_packets=0, n_bytes=0, priority=10,mpls,mpls_label=2 actions=write_actions(group:1)
    cookie=0x8000003, duration=5.052s, table=21, n_packets=0, n_bytes=0, priority=42,ip,metadata=0x1/0xffffffff,nw_dst=10.0.0.1 actions=write_actions(push_mpls:0x8847,set_field:2->mpls_label,group:1)
    cookie=0x8000003, duration=5.038s, table=21, n_packets=0, n_bytes=0, priority=42,ip,metadata=0x1/0xffffffff,nw_dst=10.0.0.2 actions=write_actions(push_mpls:0x8847,set_field:3->mpls_label,group:2)
    mininet> dpctl dump-groups -O OpenFlow13
  - s1 ------------------------------------------------------------------------
    OFPST_GROUP_DESC reply (OF1.3) (xid=0x2):
    group_id=1,type=indirect,bucket=weight:0,actions=pop_mpls:0x0800,set_field:00:00:00:00:00:01->eth_dst,output:1
    group_id=2,type=indirect,bucket=weight:0,actions=pop_mpls:0x0800,set_field:00:00:00:00:00:02->eth_dst,output:2

mininet> h1 ping h2
PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
64 bytes from 10.0.0.2: icmp_seq=3 ttl=64 time=0.120 ms
64 bytes from 10.0.0.2: icmp_seq=4 ttl=64 time=0.106 ms
64 bytes from 10.0.0.2: icmp_seq=5 ttl=64 time=0.103 ms
64 bytes from 10.0.0.2: icmp_seq=6 ttl=64 time=0.121 ms
64 bytes from 10.0.0.2: icmp_seq=7 ttl=64 time=0.116 ms
64 bytes from 10.0.0.2: icmp_seq=8 ttl=64 time=0.072 ms
^C
— 10.0.0.2 ping statistics —
8 packets transmitted, 6 received, 25% packet loss, time 7000ms
rtt min/avg/max/mdev = 0.072/0.106/0.121/0.018 ms
mininet>

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[VPNSERVICE-4] Table 20 and 21 entries not installed in single dpn scenario Created: 21/May/15 Updated: 19/Oct/17 Resolved: 24/Jun/15