frr/tests/topotests/isis_topo1/r1/r1_route_linux.json

{
  "10.0.10.0/24": {
    "dev": "r1-eth0",
    "metric": "20",
    "proto": "187",
    "via": "10.0.20.1"
  },
  "10.254.0.3": {
    "dev": "r1-eth0",
    "metric": "20",
    "proto": "187",
    "via": "10.0.20.1"
  }
}