Lecture 9

20 Outubro 2023, 14:30 • José André Moura

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Data Plane Control based on flow rules. Routing packets using software-based routers. Next laboratory.

Lecture 8

13 Outubro 2023, 16:00 • José André Moura

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During the current laboratory lecture, the students are expected to learn the next topics: create an emulated host using the concept of Linux NameSpaces; add, configure and enable the network interfaces on each host; create a network link connecting two interfaces; learn how to create a OpenvSwitch (OVS) that will be connecting the three hosts of the current topology;add to the switch the associated interfaces of the three network links previously created; create the emulated topology by using a single script file; flush the switch table where the switch stores the learned L2 MACs associated with corrresponding switch port; specify on the switch flow rules divided through diverse tables; test in several scenarios the current emulated topology, including the correctness of the flow rules installed in the tables of each switch.

Lecture 7

13 Outubro 2023, 14:30 • José André Moura

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Validating switch flow rules using the trace option of ovs-appctl command. Switch operates following flow rules stored in several flow tables. Next Laboratory.

Lecture 6

6 Outubro 2023, 16:00 • José André Moura

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During the current laboratory lecture, the students are expected to learn about the next aspects: i) create an emulated host using the concept of Linux NameSpaces; ii) add, configure and enable the network interfaces on each host; iii) create a network link connecting two interfaces; iv) create a OpenvSwitch (OVS) that will be connecting the three hosts of the current topology; v) add to the switch the associated interfaces of the three network links previously created; vi) create the emulated topology by using a single script file; vii) specify on the switch traffic rules that match at distinct OSI layers; viii) test the current emulated topology; ix) remove from the system the visualized network infrastructure by using a second script file.

Lecture 5

6 Outubro 2023, 14:30 • José André Moura

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Data Plane Devices. Configuration (Management) vs. Control. OF-Config and OpenFlow Comparison. Example of a configuration scenario. Example of a control scenario. Switch rule. Configuration vs. Control (both local). OpenvSwitch - Local Management. OpenvSwitch. Briefly explanation about the next laboratory session.