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[Sothy <sivasothy.shanmugalingam@xxxxxxxxx>]

Public bug reported:

Hello,
I have two Vms (VM A and VMB) connected to a single host. Flow going and coming from VMB is mirrored to VM c in another compute node. 

After the creation of tap flow and tap servicee, I ping from VM A to
VMB. I am able to get ICMP reply messaage at VMC ( thanks to
configuration by TaaS agent.

When I look the problem in br-int in a compute node ( where VM A and VM
B are located).

OF rules able to catch the ICMP reply and not request. And Ping works
because of normal mode of br-int.

See the sample flow in br-int.

 cookie=0x0, duration=21656.671s, table=0, n_packets=10397,
n_bytes=981610, idle_age=0, priority=20,in_port=6
actions=NORMAL,mod_vlan_vid:3913,output:12

[ICMP reply catched in OF pipe line]
 
cookie=0x0, duration=15.937s, table=0, n_packets=0, n_bytes=0, idle_age=15, priority=20,dl_vlan=4,dl_dst=fa:16:3e:c7:b5:42 actions=normal,mod_vlan_vid:3913,output:12

[ICMP request suppose to catch by this rule, didnt :-)]

My question is why this rule not yet hit? Please mind that ping works as
normal.

Any clue? It may be problem with normal action.

Best regards
Sothy

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1544176

Title:
  br-int with Normal action

Status in neutron:
  New

Bug description:
  Hello,
  I have two Vms (VM A and VMB) connected to a single host. Flow going and coming from VMB is mirrored to VM c in another compute node. 

  After the creation of tap flow and tap servicee, I ping from VM A to
  VMB. I am able to get ICMP reply messaage at VMC ( thanks to
  configuration by TaaS agent.

  When I look the problem in br-int in a compute node ( where VM A and
  VM B are located).

  OF rules able to catch the ICMP reply and not request. And Ping works
  because of normal mode of br-int.

  See the sample flow in br-int.

   cookie=0x0, duration=21656.671s, table=0, n_packets=10397,
  n_bytes=981610, idle_age=0, priority=20,in_port=6
  actions=NORMAL,mod_vlan_vid:3913,output:12

  [ICMP reply catched in OF pipe line]
   
  cookie=0x0, duration=15.937s, table=0, n_packets=0, n_bytes=0, idle_age=15, priority=20,dl_vlan=4,dl_dst=fa:16:3e:c7:b5:42 actions=normal,mod_vlan_vid:3913,output:12

  [ICMP request suppose to catch by this rule, didnt :-)]

  My question is why this rule not yet hit? Please mind that ping works
  as normal.

  Any clue? It may be problem with normal action.

  Best regards
  Sothy

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