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Routing & Switching · Advanced

VPNv4 Address Family

The MP-BGP address family that carries 12-byte VPN-IPv4 routes (RD + IPv4 prefix) and VPN labels between PEs.

Definition

PE-to-PE or PE-to-RR sessions activate VPNv4 and must send extended communities. VPNv6 is the IPv6 equivalent used for 6VPE.

Example

address-family vpnv4 / neighbor 10.255.0.1 activate / neighbor 10.255.0.1 send-community extended

Exam tip

Forgetting send-community extended means RTs are stripped and remote VRFs import nothing.

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