思科 IPv6 Source Guard and Prefix Guard

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IPv6 Source Guard and Prefix Guard




IPv6 Source Guard and IPv6 Prefix Guard are Layer 2 snooping features that validate the source of IPv6
traffic. IPv6 Source Guard blocks any data traffic from an unknown source. For example, one that is not
already populated in the binding table or previously learned through Neighbor Discovery (ND) or Dynamic
Host Configuration Protocol (DHCP) gleaning. IPv6 Prefix Guard prevents home-node sourcing traffic
outside of the authorized and delegated traffic.
• Finding Feature Information, page 1
• Information About IPv6 Source Guard and Prefix Guard, page 1
• How to Configure IPv6 Source Guard and Prefix Guard, page 4
• Configuration Examples for IPv6 Source Guard and Prefix Guard, page 7
• Additional References for IPv6 Source Guard and Prefix Guard, page 8
• Feature Information for IPv6 Source Guard and Prefix Guard, page 8

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