Question 169 of 250 from exam 400-201: Cisco CCIE Service Provider Written Exam

Refer to the exhibit.

There is reachability among all routers.

An MPLS TE auto-tunnel mesh is deployed in all routers.

A full mesh auto-tunnel is created successfully among RTB, RTC, RTE, RTD, and RTF routers.

RTA router is able to build an automatic MPLS TE tunnel that has only RTB and RTC routers as destinations.

Why is the RTA router unable to build an automatic MPLS TE tunnel that has RTE, RTD, or RTF routers as destinations?