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Flashcards in SDN Deck (10)
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1
Q

List the 3 router and switch ‘planes’

A

Management/monitoring plane - admin config, SNMP, API, etc

Control plane - decisions about how to forward traffic. I.e. routing protocols and spanning tree

Data plane - actual data passing through the device

2
Q

What ‘planes’ does SDN move from the local device?

A

The control plane - rules for packet handling are sent from the controller to the device and the devices ask for guidance from the controller.

3
Q

What is APIC-EM?

A

Cisco’s SDN controller
Linux based server that can be clustered.

4
Q

Define northbound API in SDN

A

From the point of view from the SDN controller, Those are calls in the dirction of the Application Layer fo the network stack

5
Q

Define southbound API in SDN

A

From the point of view from the SDN controller, Those are calls in the dirction of the infrastructor devices on the network.

6
Q

What is OpenFlow in SDN?

A

A well known southbound API standard.

7
Q

How does zero touch deployment work with APIC-EM

A

Devices decover the APIC-EM via methods such as DHCP options.

8
Q

What is Path Trace in APIC-EM?

A

A way to query the APIC-EM to see the path data will travel through the network.

9
Q

What is IWAN in Cisco APIC-EM terms

A
  • A form of SD-WAN which automates deployment of VPN links to branch offices.
  • It uses Cisco’s DMVPN (Dynamic Multipoint VPN)
  • Supports AVC - Application Visability and Control - i.e.QoS shaping per traffic type
10
Q

What is EasyQoS in Cisco APIC-EM

A
  • Provides end-to-end orchestration or QoS shaping for the entire network.
  • You set the types of traffic that shold have priority
  • APIC-EM EasyQos pushes new config to the actual devices