Re: [openstack-dev] [neutron] [ovs] How to update flows in br-tun proactively

[Xiao Ma (xima2)]

Hi, JingTing

The flow should be updated after the rarp broadcast packet be send by qemu.
So I think you should make sure whether the broadcast packet has been send and 
received by the host.


Best regards,

Xiao Ma (xi...@cisco.com)
马啸
SDN Architect & OpenStack specialist
Hybrid Cloud
Cisco System (China)
Mobile: (+86) 18911219332




在 2016年2月17日，下午3:57，康敬亭 
> 写道：

Hi guys:

The bug has be reported on https://bugs.launchpad.net/neutron/+bug/1541738

The flow in br-tun as below is generated by learning flow, and not updated 
immediately after vm live migration.

Original flow:
cookie=0x0, duration=194.884s, table=20, n_packets=0, n_bytes=0, 
hard_timeout=300, idle_age=194, 
priority=1,vlan_tci=0x0306/0x0fff,dl_dst=5a:c6:4f:34:61:06 
actions=load:0->NXM_OF_VLAN_TCI[],load:0x1ef->NXM_NX_TUN_ID[],output:24

Updated flow:
cookie=0x0, duration=194.884s, table=20, n_packets=0, n_bytes=0, 
hard_timeout=300, idle_age=194, 
priority=1,vlan_tci=0x0306/0x0fff,dl_dst=5a:c6:4f:34:61:06 
actions=load:0->NXM_OF_VLAN_TCI[],load:0x1ef->NXM_NX_TUN_ID[],output:26

Anyone has idea how to update this flow proactively.thanks!

jingting
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[openstack-dev] [neutron] [ovs] How to update flows in br-tun proactively

[康敬亭]

Hi guys:
   
The bug has be reported on https://bugs.launchpad.net/neutron/+bug/1541738

The flow in br-tun as below is generated by learning flow, and not updated 
immediately after vm live migration.


Original flow:
cookie=0x0, duration=194.884s, table=20, n_packets=0, n_bytes=0, 
hard_timeout=300, idle_age=194, 
priority=1,vlan_tci=0x0306/0x0fff,dl_dst=5a:c6:4f:34:61:06 
actions=load:0->NXM_OF_VLAN_TCI[],load:0x1ef->NXM_NX_TUN_ID[],output:24
  
Updated flow:
cookie=0x0, duration=194.884s, table=20, n_packets=0, n_bytes=0, 
hard_timeout=300, idle_age=194, 
priority=1,vlan_tci=0x0306/0x0fff,dl_dst=5a:c6:4f:34:61:06 
actions=load:0->NXM_OF_VLAN_TCI[],load:0x1ef->NXM_NX_TUN_ID[],output:26


Anyone has idea how to update this flow proactively.thanks!
  
jingting__
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