Pathvector Configuration for Transit BGP Server

pathvector.yml

# Your ASN Number
asn: YOUR_ASN

# BIRD router ID
router-id: X.X.X.X

# RIRs to query for IRR filtering
bgpq-args: -S AFRINIC,APNIC,ARIN,LACNIC,RIPE

# Main IRR whois server
irr-server: rr.ntt.net

# Timeout for IRR lookups
irr-query-timeout: 30

# RPKI RTR validator
rtr-server: rtr.rpki.cloudflare.com:8282

# Auto-generate configs from PeeringDB
peeringdb-api-key: "REDUCTED"

# PeeringDB API Timeout
peeringdb-query-timeout: 30

# Send default route to peer
default-route: false

# Originate default route
#accept-default: true

# Allows multiple ECMP paths
merge-paths: true

# Keep filtered routes (useful for debugging)
keep-filtered: false

kernel:
  learn: false  # This keeps the server from learning routes FROM the system
  export: true   # This allows BIRD to tell the system how to REACH your MikroTik

# For upstream/transit/edge router
  srd-communities:
    - "YOUR_ASN:0:16"     # own prefixes — tagged on iBGP import
    - "YOUR_ASN:0:15"     # downstream customer routes

# Communities Documentation
# YOUR_ASN:0:12 → Learned from upstream
# YOUR_ASN:0:13 → Learned from route server
# YOUR_ASN:0:14 → Learned from peer
# YOUR_ASN:0:15 → Learned from downstream (customer routes)
# YOUR_ASN:0:16 → Own prefixes (your allocations)

templates:
  upstream:
    local-pref: 80
    allow-local-as: false
    add-on-import: ["YOUR_ASN:0:12"]
    announce: ["YOUR_ASN:0:15", "YOUR_ASN:0:16"]
    remove-all-communities: YOUR_ASN
    import-limit4: 2000000
    import-limit6: 1000000
    filter-irr: false
    filter-transit-asns: false
    enforce-first-as: true
    enforce-peer-nexthop: true

  peer:
    local-pref: 100
    add-on-import: ["YOUR_ASN:0:14"]
    announce: ["YOUR_ASN:0:15", "YOUR_ASN:0:16"]
    remove-all-communities: YOUR_ASN
    filter-irr: true
    filter-transit-asns: true
    auto-import-limits: true
    auto-as-set: true
    enforce-first-as: true
    enforce-peer-nexthop: true
    next-hop-self: true

  routeserver:
    local-pref: 90
    add-on-import: ["YOUR_ASN:0:13"]
    announce: ["YOUR_ASN:0:15", "YOUR_ASN:0:16"]
    remove-all-communities: YOUR_ASN
    filter-irr: true
    filter-transit-asns: true
    auto-import-limits: true
    auto-as-set: true
    enforce-first-as: false
    enforce-peer-nexthop: false
    next-hop-self: true

  ibgp:
    local-pref: 150
    allow-local-as: true
    add-on-import: ["YOUR_ASN:0:16"]
    announce: ["YOUR_ASN:0:12", "YOUR_ASN:0:13", "YOUR_ASN:0:14", "YOUR_ASN:0:15", "YOUR_ASN:0:16"]
    remove-all-communities: YOUR_ASN
    enforce-first-as: false
    enforce-peer-nexthop: false
    filter-rpki: false
    filter-irr: false
    next-hop-self: true
    import-limit4: 10000
    import-limit6: 5000

  downstream:
    local-pref: 200
    add-on-import: ["YOUR_ASN:0:15"]
    announce: ["YOUR_ASN:0:12", "YOUR_ASN:0:13", "YOUR_ASN:0:14", "YOUR_ASN:0:16"]
    remove-all-communities: YOUR_ASN
    announce-default: true
    filter-irr: true
    filter-transit-asns: true
    auto-import-limits: true
    auto-as-set: true
    next-hop-self: true
    import-limit4: 500000
    import-limit6: 250000
    allow-blackhole-community: true