Thanks lyndidon,
I have already requested for configuration and all details. Get back to you once received. Do you have any comment regarding as its possible to receive same routes from my side without flush old entries.
And we can't send aggregate as we are just matching internal routes community. Find below configuration which we have for this customer,
set protocols bgp group BB10 type external
set protocols bgp group BB10 traceoptions file BB-BGP
set protocols bgp group BB10 traceoptions flag open detail
set protocols bgp group BB10 traceoptions flag state detail
set protocols bgp group BB10 traceoptions flag packets detail
set protocols bgp group BB10 traceoptions flag all
set protocols bgp group BB10 neighbor 172.24.168.46 description "BB_service "
set protocols bgp group BB10 neighbor 172.24.168.46 import BB10-IMPORT
set protocols bgp group BB10 neighbor 172.24.168.46 authentication-key bY1RLNbYZGqmfz6Ap0IEclTzKWx-2gn/9CBI"
set protocols bgp group BB10 neighbor 172.24.168.46 export BB10-EXPORT
set protocols bgp group BB10 neighbor 172.24.168.46 peer-as 47423
set policy-options policy-statement BB10-IMPORT term BB10 from route-filter 93.186.17.8/29 orlonger
set policy-options policy-statement BB10-IMPORT term BB10 from route-filter 93.186.25.8/29 orlonger
set policy-options policy-statement BB10-IMPORT term BB10 from route-filter 93.186.17.96/27 orlonger
set policy-options policy-statement BB10-IMPORT term BB10 from route-filter 93.186.27.160/27 orlonger
set policy-options policy-statement BB10-IMPORT term BB10 from route-filter 131.117.168.32/28 orlonger
set policy-options policy-statement BB10-IMPORT term BB10 from route-filter 5.100.168.32/28 orlonger
set policy-options policy-statement BB10-IMPORT term BB10 from route-filter 131.117.168.96/27 orlonger
set policy-options policy-statement BB10-IMPORT term BB10 from route-filter 5.100.168.96/27 orlonger
set policy-options policy-statement BB10-IMPORT term BB10 then local-preference 700
set policy-options policy-statement BB10-IMPORT term BB10 then accept
set policy-options policy-statement BB10-IMPORT term Reject then reject
set policy-options policy-statement BB10-EXPORT term block-private from route-filter 10.0.0.0/8 orlonger
set policy-options policy-statement BB10-EXPORT term block-private from route-filter 172.16.0.0/12 orlonger
set policy-options policy-statement BB10-EXPORT term block-private from route-filter 192.168.0.0/16 orlonger
set policy-options policy-statement BB10-EXPORT term block-private then reject
set policy-options policy-statement BB10-EXPORT term reject-EBGP-Custs from community EBGP-Customers
set policy-options policy-statement BB10-EXPORT term reject-EBGP-Custs then reject
set policy-options policy-statement BB10-EXPORT term BB10-EXPORT from community Central_Region_Community
set policy-options policy-statement BB10-EXPORT term BB10-EXPORT from community Western_Region_Community
set policy-options policy-statement BB10-EXPORT term BB10-EXPORT from community Eastern_Region_Community
set policy-options policy-statement BB10-EXPORT term BB10-EXPORT from community MSMN-Central-Region-Community
set policy-options policy-statement BB10-EXPORT term BB10-EXPORT from community MSMN-Western-Region-Community
set policy-options policy-statement BB10-EXPORT term BB10-EXPORT from community MSMN-Eastern-Region-Community
set policy-options policy-statement BB10-EXPORT term BB10-EXPORT from route-filter 0.0.0.0/0 upto /24
set policy-options policy-statement BB10-EXPORT term BB10-EXPORT then accept
set policy-options policy-statement BB10-EXPORT term reject then reject