Routing Table - Question about Redistribution

I would be grateful if someone could help clarify why this happens in my lab
mock up. First the description....

Network as follows:

RTRA(eBGP) -877
RTRC(RIPv2) - 877
|
|
192.168.1.0/24 |------------MPLS Cloud -----------------| 192.168.2.0/24
| (1800 Router)
|
| |
|
..
Telecom, Cabling and VoIP continues...
Tags: Telecom telecom cabling Cisco VoIP Networking