[ovs-discuss] SFC with NSH

Gregory Rose gvrose8192 at gmail.com
Thu Jan 3 16:38:47 UTC 2019

On 12/30/2018 10:57 AM, Hoàng Công Phước wrote:
> Hi folks,
> I am using Open vSwitch to create service function chain with NSH 
> (network service header) enabled. However, I have a bug when I add new 
> flow rule to bridge. Here are my command to add flow rule manually:
> $ sudo ovs-ofctl add-flow br-int "table=0, 
> tcp,in_port=11,nw_src=,nw_dst=,tp_dst=1024 
> <,tp_dst=1024> 
> actions=encap(nsh(md_type=1)),set_field:0x33->nsh_spi,set_field:255->nsh_si,encap(ethernet),group:1"
> As the error log, it shown: bad action at offset 0 
> (OFPBAC_BAD_VENDOR_TYPE). More detail in this link: 
> http://paste.openstack.org/show/739456.
> My Open vSwitch environment: ovs-vswitchd (Open vSwitch) 2.9.0. As I 
> known, NSH feature was already merged into master branch of Open 
> vSwitch in version 2.9.0. I want to known what I should do to fix that 
> issue or . I hope someone can help me about it. Thank in advance.

There's been bug fixes for NSH since 2.9.0, you should get the latest 
version which is 2.9.3 if I'm not mistaken.

- Greg

> Best regards,
> Phuoc Hoang Cong
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