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MMIX Supports RTBH for announcemnet of black-hole filtering. In order to facilitate better routing management for routes being advertised via MMIX Route Servers, we highly recommend all members to make use of BGP community tagging when they annoouncement/received BGP routes to/from the MMIX route servers.
The BGP community supported for RTBH filtering.
| BGP community | Next Hop Address | |
|---|---|---|
| Yangon IXP | 9654:66 | 103.116.194.66 |
#Configure to trigger RTBH
ip prefix-list PRF-RTBH permit x.x.x.x/32
!
!Configure outbound route-map for MMIX RS1 and RS2
route-map RM-MMIX-OUT permit 10
match ip address prefix-list PRF-RTBH
set community 9654:66 additive
route-map RM-MMIX-OUT permit 100
end
#Activiation RTBH Route
ip prefix-list PRF-MMIX-HOST permit 0.0.0.0/0 ge 32
!
!Community list for MMIX RTBH
ip community-list standard CM-MMIX-RTBH seq 5 permit 9654:66
!Inbound route-map for MMIX route servers
route-map RM-MMIX-IN permit 10
match ip address prefix-list PRF-MMIX-HOST
match community CM-MMIX-RTBH
route-map RM-MMIX-IN permit 10000
!
!Configure a static null route for reserved 103.116.194.66
ip route 103.116.194.66 255.255.255.255 null 0
!Stop retransmission
interface Null0
no ip unreachables