Introduces link bundles within Layer 2 VPNs, describing their core concepts and architecture and outlining key benefits to network efficiency and reliability.
A link bundle for a Layer 2 VPN is an aggregated Ethernet link that
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groups one or more ports together and treats them as a single link
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uses a single MAC address and a single configuration set such as ACLs or QoS, and
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aggregates the bundled ports into one logical link.
There are two types of link bundling supported depending on the type of interface forming the bundle:
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Ethernet interfaces
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VLAN interfaces (bundle sub-interfaces)