1- This is currently not possible with the IOS. The RR will select only the best path an advertise it. The following draft that allows one to change this behavior and to advertise more than one path for a given prefix.
2- This is currently possible if you configure different route distinguishers (RD) for the given VPN on the advertising PEs. The RR will consider the VPNv4 prefixes as different since the RD is different and therefore will advertise both.
Hope this helps,
Harold Ritter Sr. Technical Leader CCIE 4168 (R&S, SP) firstname.lastname@example.org México móvil: +52 1 55 8312 4915 Cisco México Paseo de la Reforma 222 Piso 19 Cuauhtémoc, Juárez Ciudad de México, 06600 México
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