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BIRD-RTBH-Example
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| log syslog all; | |
| debug protocols off; | |
| debug commands 0; | |
| router id 1.1.1.1; | |
| protocol static rtbh { | |
| route 99.99.99.99/32 blackhole; | |
| route 88.88.88.88/32 blackhole; | |
| } | |
| filter export_rtbh_out { | |
| # Limit to static routes | |
| if (proto = "rtbh") then | |
| { | |
| # Limit to /32 host routes (for now) | |
| if net.len = 32 then | |
| { | |
| bgp_community.add((65001,9999)); | |
| bgp_next_hop = 192.0.2.1; | |
| accept; | |
| } | |
| } | |
| reject; | |
| } | |
| protocol bgp ER3 { | |
| description "iBGP to Edge Router 3 for RTBH"; | |
| debug { states, events }; | |
| local 1.1.1.1 as 65001; | |
| neighbor 3.3.3.3 as 65001; | |
| import none; | |
| export filter export_rtbh_out; | |
| } | |
| protocol bgp ER4 { | |
| description "iBGP to Edge Router 4 for RTBH"; | |
| debug { states, events }; | |
| local 1.1.1.1 as 65001; | |
| neighbor 4.4.4.4 as 65001; | |
| import none; | |
| export filter export_rtbh_out; | |
| } |
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| routing-options { | |
| static { | |
| route 192.0.2.1/32 discard; | |
| } | |
| } | |
| protocols { | |
| bgp { | |
| group RTBH { | |
| type internal; | |
| import import-from-rs; | |
| expor deny-all; | |
| neighbor 1.1.1.1; | |
| } | |
| } | |
| } | |
| policy-options { | |
| policy-statement deny-all { | |
| term 1 { | |
| then reject; | |
| } | |
| } | |
| policy-statement import-from-rs { | |
| term 1 { | |
| from { | |
| community RTBH; | |
| route-filter 0.0.0.0/0 prefix-length-range /32-/32; | |
| } | |
| then accept; | |
| } | |
| term reject { | |
| then reject; | |
| } | |
| } | |
| community RTBH members 65001:9999; | |
| } |
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