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September 28th, 2018 10:00
OpenFlow Flow Tables
Hello everyone!
I am running a DELL S4048T-ON switch. I want to create an SDN infrastructure, so I created an OpenFlow instance, assigning 2 ports to that instance. For testing purposes I have attached two PCs on these ports and try to ping each other.
The controller is an ODL running a simple l2 switch application.
The problem is that although the flows are created correctly (in the acl table) and the packet counters are increasing, the ping fails at both sides meaning the packets are not forwarded to the output port. The controller receives the packets and identifies the topology.
Any help would be much appreciated!
You can see the show openflow of-instance results:
Instance : 8
Admin State : Up
OF Version : V1-3
Interface Type : Port
DP Id : 00:08:14:18:77:8b:95:61
Forwarding Tbls : acl,mac,route
Vlan Learn : -
ICEE Mode : -
ICEE Recover : 30 seconds
Flow map : l2,l3
EchoReq interval: 15 seconds
Connect interval: 15 seconds
Number of Flows : 6 (acl:6)
Packets (acl) : 988
Bytes (acl) : 69327
Fail mode : secure
Flow misses : copy-to-controller
Controller 1 : TCP, 10.30.0.90/6633, rcv/sndbuf 2000/2000, not-connected
Controller 2 : -
Port List :
Te 1/25 (97), Te 1/27 (99)
Vlan List :
Vlan Mbr list :
The two interfaces:
!
interface TenGigabitEthernet 1/25
description of_themis
no ip address
speed 1000
no shutdown
of-instance 8
!
interface TenGigabitEthernet 1/27
description of_themis
no ip address
speed 1000
no shutdown
of-instance 8
And the flows of that of-instance:
sw-dell-core#sh openflow flows of-instance 8
Instance: 8, Table: acl, Flow: 13, Cookie: 0x0
Priority: 0, Internal Priority: 0
Up Time: 0d 00:27:52, Hard Timeout: 0 seconds
Idle Timeout: 0 seconds, Internal Idle Timeout: 0 seconds
Packets: 0, Bytes: 0
Match Parameters:
Valid Match:
In Port : * EType : *
SMAC : *
DMAC : *
VLAN id : * VLAN PCP : *
IP TOS : * IP proto : *
Src IP : * Dest IP : *
Src Port : * Dest Port : *
Actions:
Output: Controller
Instance: 8, Table: acl, Flow: 14, Cookie: 0x2b00000000000005
Priority: 100, Internal Priority: 100
Up Time: 0d 00:36:47, Hard Timeout: 0 seconds
Idle Timeout: 0 seconds, Internal Idle Timeout: 0 seconds
Packets: 24, Bytes: 6360
Match Parameters:
Valid Match: Etype
In Port : * EType : 0x88cc
SMAC : *
DMAC : *
VLAN id : * VLAN PCP : *
IP TOS : * IP proto : *
Src IP : * Dest IP : *
Src Port : * Dest Port : *
Actions:
Output: Controller
Instance: 8, Table: acl, Flow: 15, Cookie: 0x2b0000000000000a
Priority: 2, Internal Priority: 2
Up Time: 0d 00:36:49, Hard Timeout: 0 seconds
Idle Timeout: 0 seconds, Internal Idle Timeout: 0 seconds
Packets: 371, Bytes: 24954
Match Parameters:
Valid Match: InPort
In Port : Te 1/27 (99) EType : *
SMAC : *
DMAC : *
VLAN id : * VLAN PCP : *
IP TOS : * IP proto : *
Src IP : * Dest IP : *
Src Port : * Dest Port : *
Actions:
Output: Te 1/25 (97)
Output: Controller
Instance: 8, Table: acl, Flow: 16, Cookie: 0x2b0000000000000b
Priority: 2, Internal Priority: 2
Up Time: 0d 00:36:51, Hard Timeout: 0 seconds
Idle Timeout: 0 seconds, Internal Idle Timeout: 0 seconds
Packets: 593, Bytes: 38013
Match Parameters:
Valid Match: InPort
In Port : Te 1/25 (97) EType : *
SMAC : *
DMAC : *
VLAN id : * VLAN PCP : *
IP TOS : * IP proto : *
Src IP : * Dest IP : *
Src Port : * Dest Port : *
Actions:
Output: Te 1/27 (99)
Output: Controller
Instance: 8, Table: acl, Flow: 17, Cookie: 0x0
Priority: 1, Internal Priority: 1
Up Time: 0d 00:30:19, Hard Timeout: 0 seconds
Idle Timeout: 0 seconds, Internal Idle Timeout: 0 seconds
Packets: 0, Bytes: 0
Match Parameters:
Valid Match: Etype
In Port : * EType : arp
SMAC : *
DMAC : *
VLAN id : * VLAN PCP : *
IP TOS : * IP proto : *
Src IP : * Dest IP : *
Src Port : * Dest Port : *
Actions:
Output: Controller
Instance: 8, Table: acl, Flow: 18, Cookie: 0x0
Priority: 1, Internal Priority: 1
Up Time: 0d 00:30:24, Hard Timeout: 0 seconds
Idle Timeout: 0 seconds, Internal Idle Timeout: 0 seconds
Packets: 0, Bytes: 0
Match Parameters:
Valid Match: Etype
In Port : * EType : ip
SMAC : *
DMAC : *
VLAN id : * VLAN PCP : *
IP TOS : * IP proto : *
Src IP : * Dest IP : *
Src Port : * Dest Port : *
Actions:
Implicit Drop
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