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Dell Configuration Guide for the S4048–ON System 9.14.2.6

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Layer-2 Traffic in VLT Domains

In a VLT domain, the MAC address of any host connected to the VLT peers is synchronized between the VLT nodes. In the following example, VLAN 10 is spanned across three VLT domains.

Figure 1. Layer-2 Traffic in VLT Domains
Layer-2 Traffic in VLT Domains

If Host 1 from a VLT domain sends a frame to Host 2 in another VLT domain, the frame can use any link shown to reach Host 2. MAC synchronization between VLT peers handles the traffic flow even if it is hashed and forwarded through the other member of the port-channel.


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