Question : Problem: Bonded T-1s with NAT on Cisco 1841 router

I am configuring an 1841 router with (2) T-1s. I have everything working but when I configure the Eth0/0 interface with a public IP as outlined below and Eth 0/1 with a private IP say 192.168.0.1 I can not ping it. Any ideas why?

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version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname 
!
boot-start-marker
boot-end-marker
!
!
enable secret [PASSWORD]
!
no ip domain lookup
!
no ftp-server enable
!
no aaa new-model
!
resource policy
!
ip subnet-zero
no ip cef
!
no ip dhcp use vrf connected
ip dhcp excluded-address xx.xx.xx.xx
!
ip dhcp pool data-pool1
import all
network xx.xx.xx.33 255.255.255.248
default-router xx.xx.xx.33
dns-server xy.xy.xy.xy
!
!
interface Multilink1
ip address negotiated
ip virtual-reassembly
no cdp enable
ppp chap hostname 1111111@bz8
ppp chap password 11111111
ppp ipcp dns request
ppp ipcp route default
ppp ipcp address accept
ppp multilink
ppp multilink group 1
ppp multilink fragment disable
no shutdown
!
Interface FastEthernet0/0
ip address xx.xx.xx.33 255.255.255.248
no keepalive
ip virtual-reassembly
duplex auto
speed auto
no shutdown
no cdp enable
!
!
Interface FastEthernet0/1
ip address 192.168.0.1 255.255.255.0
no keepalive
ip virtual-reassembly
duplex auto
speed auto
no shutdown
no cdp enable
!
 
!
Interface Serial0/0/0
no ip address
no ip mroute-cache
no cdp enable
encapsulation frame-relay IETF
frame-relay lmi-type ansi
service-module t1 clock source line
service-module t1 timeslots 1-24 speed 64
service-module t1 framing esf
service-module t1 fdl both
service-module t1 linecode b8zs
no shutdown
!
Interface Serial0/0/0.1 point-to-point
no cdp enable
frame-relay interface-dlci 16 ppp Virtual-Template1
class mlp
no shutdown
!
!
Interface Serial0/1/0
no ip address
no ip mroute-cache
no cdp enable
encapsulation frame-relay IETF
frame-relay lmi-type ansi
service-module t1 clock source line
service-module t1 timeslots 1-24 speed 64
service-module t1 framing esf
service-module t1 fdl both
service-module t1 linecode b8zs
no shutdown
!
Interface Serial0/1/0.1 point-to-point
no cdp enable
frame-relay interface-dlci 16 ppp Virtual-Template1
class mlp
no shutdown
!
!
!
Interface Virtual-Template1
bandwidth 3072
no ip address
keepalive 5
ppp multilink
ppp multilink group 1
!
no ip http server
no ip http secure-server
!
!
!
ip classless
!
map-class frame-relay mlp
frame-relay cir 32000
frame-relay bc 300
frame-relay be 0
!
!
line con 0
line aux 0
line vty 0 4
password [PASSWORD IN ORDER]
login
!
scheduler allocate 20000 1000
!
webvpn context Default_context
ssl authenticate verify all
!
no inservice
!
!
end

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Question : Problem: Bonded T-1s with NAT on Cisco 1841 router

Answer : Problem: Bonded T-1s with NAT on Cisco 1841 router

If the multilink interface connects to the outside (the internet), then yes, that interface has to be designated an "outside interface".