High Availability; Prerequisites For Vlan Trunking; Guidelines And Limitations - Cisco Nexus 1000V Configuration Manual

For vmware vsphere

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Configuring Layer 2 Interfaces

traffic separation between the VLANs. Also, the encapsulated VLAN tag allows the trunk to move traffic end

to end through the network on the same VLAN.

Figure 2: Header Without 802.1Q Tag

Figure 3: Header With 802.1Q Tag

High Availability

The software supports high availability for Layer 2 ports.

VLAN trunking has the following prerequisite:

You are logged into the CLI.

VLAN trunking has the following configuration guidelines and limitations:

• Do not connect devices with access links because access links may partition a VLAN.

• When connecting Cisco switches through an 802.1Q trunk, make sure that the native VLAN for an

• You can group trunk ports into port channel groups, but all trunks in the group must have the same

802.1Q trunk is the same on both ends of the trunk link. If the native VLAN on one end of the trunk is

different from the native VLAN on the other end, spanning tree loops might result.

configuration. When a group is first created, all ports follow the parameters set for the first port to be

Cisco Nexus 1000V for VMware vSphere Interface Configuration Guide, Release 5.x

High Availability

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