Ban

Network layer

Prefixes

1. On one of the cluster management hosts (cumin1003.eqiad.wmnet, cumin2002.codfw.wmnet), edit /srv/homer/private/config/common.yaml
2. Add v4 or v6 prefixes under blackhole: (see examples)
3. Commit the file
4. Run homer on all routers homer "cr*" commit "Ban prefixes"