border1-router
router eigrp 1
 network 198.x.x.0
 no auto-summary


border2-router

router eigrp 1
 network 198.x.x.0
 no auto-summary

core2 eigrp config:

router eigrp 1
 network 198.x.x.0
 network 216.x.192.0 0.0.15.255
 network 216.x.224.0 0.0.31.255
 no auto-summary


==========================================

Core 1 eigrp config:

router eigrp 1
 network 198.x.x.0
 network 216.x.192.0 0.0.15.255
 network 216.x.224.0 0.0.31.255
 no auto-summary
================================================
sh eigrp 1 nei on border 2

bdr2#sh ip eigrp 1 nei
IP-EIGRP neighbors for process 1
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq Typ
e
                                            (sec)         (ms)       Cnt Num
0   198.x.x.6           Gi5/4             11 3d17h      67   402  0  238
1   198.x.x.9           Gi5/2             13 3d19h       1   200  0  141
bdr2#


.6 is int gi 5/4 going to core 2 through MUX
.9 is int gi5/2 connected to border1


=========================================================================

Core1#sh ip eigrp 1 nei
IP-EIGRP neighbors for process 1
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq Typ
e
                                            (sec)         (ms)       Cnt Num
3   216.x.x.252              Vl1               12 2d19h       9   200  0  233
2   198.x.x.30          Gi5/13            11 3d07h     117   702  0  515
0   198.x.x.1           Gi5/4             12 3d17h       1   200  0  140
1   198.x.x.22          Gi5/5             11 6d19h       1   200  0  235
Core1#

.30 is the interface connected to core switch 6509 1 not shown in the picture
.1 is the interface on border 1 router int gi5/4 though MUX connecting core1 to borser 1

============================================================================================

core2-#sh ip eigrp 1 nei
IP-EIGRP neighbors for process 1
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq Typ
e
                                            (sec)         (ms)       Cnt Num
3   216.x.x.251         Vl1               14 2d19h       7   200  0  3046

1   198.x.x.5           Gi5/4             14 3d17h       1   200  0  111
2   198.x.x.21          Gi5/5             11 6d19h      28   200  0  3049

0   198.x.x.26          Gi5/13            10 6d19h       1   200  0  345
core2#

.5 connect to border 2 via int gi5/4 through the MUX
.21 connects to core 1 via interface 5/2
.30 connects to switch core 1 hosting the VLANs
.22 conects to switch 2 backup for VLANS on switch 2 core switch.


===========================================================================================

I don't see the other blocks that I have advertised through BGP and I think I need to add them to
the eigrp 1. I really don't know why I have missed adding them at the first place!!!!

Masood