An engineer is implementing Cisco ACI at a large platform-as-a-service provider using APIC controllers, 9396PX leaf switches, and 9336PQ spine switches. The leaf switch ports are configured as IEEE…

The correct answer is A. from leaf ports tagged as VLAN 0. The VLAN 0 Priority Tagging feature enables 802.1Q Ethernet frames to be transmitted with the VLAN ID set to zero. These frames are called priority tagged frames. Setting the VLAN ID tag to zero allows the VLAN ID tag to be ignored and the Ethernet frame to be processed…

ACI Fabric Infrastructure

Question

An engineer is implementing Cisco ACI at a large platform-as-a-service provider using APIC controllers, 9396PX leaf switches, and 9336PQ spine switches. The leaf switch ports are configured as IEEE 802.1p ports. Where does the traffic exit from the EPG in IEEE 802.1p mode in this configuration?

Options

Afrom leaf ports tagged as VLAN 0
Bfrom leaf ports untagged
Cfrom leaf ports tagged as VLAN 4094
Dfrom leaf ports tagged as VLAN 1

How the community answered

(25 responses)

A
72% (18)
B
16% (4)
C
8% (2)
D
4% (1)

Explanation

The VLAN 0 Priority Tagging feature enables 802.1Q Ethernet frames to be transmitted with the VLAN ID set to zero. These frames are called priority tagged frames. Setting the VLAN ID tag to zero allows the VLAN ID tag to be ignored and the Ethernet frame to be processed according to the priority configured in the 802.1P bits of the 802.1Q Ethernet frame header. master/software/configuration/guide/vlan0/b_vlan_0.html

Topics

#IEEE 802.1p#VLAN tagging#EPG traffic#leaf port configuration

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