Hi Ben,
Thanks for the reply.
To be precise we are trying to implement Service Function Chaining.
The flows included in the below mail are in the compute node openvswitch
controlled by opendaylight controller.
If my understanding is correct load:0x2->NXM_NX_REG0[] stores
hexadecimal value 2 in the NXM register.
What I am not able to understand is in what scenarios one may use NXM
register to store values.
Any explanation about the use of NXM registers will be helpfull.
Thanks,
Madhu Chakravarthy.
On 09-09-2016 21:20, Ben Pfaff wrote:
On Fri, Sep 09, 2016 at 05:54:41PM +0530, madhu wrote:
I am trying to understand the open flow rules written to the openvswitch.
I am using openvswitch with openflow version 1.3. In that I see flow rules
like below
cookie=0x0, duration=133278.833s, table=0, n_packets=37283,
n_bytes=15219696, tun_id=0x5a,in_port=1
actions=load:0x2->NXM_NX_REG0[],goto_table:20
cookie=0x0, duration=133156.937s, table=0, n_packets=47834, n_bytes=4333742,
tun_id=0x65,in_port=1 actions=load:0x2->NXM_NX_REG0[],goto_table:20
cookie=0x0, duration=133285.759s, table=0, n_packets=1673, n_bytes=647400,
tun_id=0x61,in_port=1 actions=load:0x2->NXM_NX_REG0[],goto_table:20
What is the use of load:0x2->NXM_NX_REG0[] and where to use this action.
ovs-ofctl(8) explains OpenFlow actions.
It's hard to guess what this is for without context. What added the
actions to the flow table?
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