Loadsharing and redundancy are broke. What am I missing? Here are the BGP configs (IP's are changed to protect the innocent :) )
R1 & R2 in the same ASN, R1 connects to Provider1 ASN and R2 connects to Provider2 ASN:
R1 Config
interface Loopback0 ip address 4.4.66.253 255.255.255.255
router bgp 22105 bgp log-neighbor-changes neighbor 4.4.66.254 remote-as 22105 neighbor 4.4.66.254 update-source Loopback0 neighbor 10.200.200.3 remote-as 105 neighbor 10.200.200.3 description -=-=- ebgp peer with Provider1-=-=- neighbor 10.200.200.3 version 4 ! address-family ipv4 neighbor 4.4.66.254 activate neighbor 4.4.66.254 send-community neighbor 4.4.66.254 soft-reconfiguration inbound neighbor 10.200.200.3 activate neighbor 10.200.200.3 send-community neighbor 10.200.200.3 prefix-list provider1-out out no auto-summary no synchronization network 4.4.66.0 mask 255.255.255.0 network 192.168.10.0 mask 255.255.254.0 exit-address-family ! ip route 4.4.66.0 255.255.255.0 Null0 ip route 4.4.66.254 255.255.255.255 FastEthernet4/0 ip route 192.168.10.0 255.255.254.0 Null0
ip prefix-list provider1-out description advertised prefixes to provider1 ip prefix-list provider1-out seq 5 permit 192.168.10.0/23 ip prefix-list provider1-out seq 10 permit 4.4.66.0/24 logging alarm informational
access-list 2 permit 4.4.66.0 0.0.0.255 access-list 3 permit 192.168.10.0 0.0.1.255
route-map comm permit 10 match ip address 2 set community 105:70 ! route-map comm permit 20 match ip address 3 set community 105:100 ! route-map comm permit 30
R2 Config
interface Loopback0 ip address 4.4.66.254 255.255.255.255
router bgp 22105 bgp log-neighbor-changes neighbor 10.10.10.3 remote-as 1234 neighbor 10.10.10.3 description -=-=- eBGP peer with Provider2 -=-=- neighbor 10.10.10.3 version 4 neighbor 4.4.66.253 remote-as 22105 neighbor 4.4.66.253 update-source Loopback0 maximum-paths 4 ! address-family ipv4 neighbor 10.10.10.3 activate neighbor 10.10.10.3 send-community neighbor 10.10.10.3 prefix-list lvlt-out out neighbor 10.10.10.3 route-map comm out neighbor 4.4.66.253 activate neighbor 4.4.66.253 send-community neighbor 4.4.66.253 soft-reconfiguration inbound maximum-paths 4 no auto-summary no synchronization network 4.4.66.0 mask 255.255.255.0 network 192.168.10.0 mask 255.255.254.0 exit-address-family ! ip route 4.4.66.0 255.255.255.0 Null0 ip route 4.4.66.253 255.255.255.255 FastEthernet4/0 ip route 192.168.10.0 255.255.254.0 Null0
ip bgp-community new-format ! ! ! ip prefix-list Provider2-out description advertised prefixes to Provider2 ip prefix-list Provider2-out seq 5 permit 192.168.10.0/23 ip prefix-list Provider2-out seq 10 permit 4.4.66.0/24 logging alarm informational ! access-list 2 permit 192.168.10.0 0.0.1.255 access-list 3 permit 4.4.66.0 0.0.0.255
route-map comm permit 10 match ip address 2 set community 1234:70 ! route-map comm permit 20 match ip address 3 set community 1234:100 ! route-map comm permit 30