Question

please give detailed answers

10. Suppose a packet is received at port 2 of switch 1 as shown in the figure below. port 1 port 3 port 4 switch 2 packet switch 3 port 2 switch 1 port 5 switch 4 group.id Assuming the flow table and the group table are configured as below, please answer where the packet will be forwarded. Please make sure the answer is accompanied with the reason flow table field value description entry match ingress port 1 ingressport number is 1 action type OFPAT.GROUP(22) group 2 group ID is 2 entry match ingressport 2 ingressport number is 2 action type OFPAT.GROUP (22) Ктойр group.id group ID is 3 group table field value description group group ID 2 group ID is 2 group type OFPGT.ALL(0) all action action type OFPAT.OUTPUT(0) output to port bucket out.port 3 output to port 3 action action type OFPAT.OUTPUT(0) output to port bucket out.port 3 output to port 5 group group ID is 3 group type OFPGT SELECTI) select action weight 1 weight is 1 bucket action type OFPAT.OUTPUT(0) output to port out.port 3 output to port 3 action weight weight is 1 bucket action type OFPAT OUTPUT(0) output to port out-port 4 output to port group ID 1

Answer 1

Here is the following reason please do upvote thank you.

Ingress port is 2 ,

So the gropu id becomes 3 According to the flow table.

According to the group table we will follow the lower column and the output will go to port 4. That's it.