Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

30 files changed, 1817 insertions, 0 deletions

diff --git a/tests/topotests/isis_tilfa_topo1/rt6/isisd.conf b/tests/topotests/isis_tilfa_topo1/rt6/isisd.conf
new file mode 100644
index 0000000..d92f822
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/isisd.conf
@@ -0,0 +1,39 @@
+hostname rt6
+log file isisd.log
+!
+! debug isis events
+! debug isis route-events
+! debug isis spf-events
+! debug isis sr-events
+! debug isis lsp-gen
+!
+interface lo
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt4
+ ip router isis 1
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute ti-lfa
+!
+interface eth-rt5
+ ip router isis 1
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute ti-lfa
+!
+router isis 1
+ net 49.0000.0000.0000.0006.00
+ is-type level-1
+ lsp-gen-interval 2
+ topology ipv6-unicast
+ segment-routing on
+ segment-routing global-block 16000 23999
+ segment-routing node-msd 8
+ segment-routing prefix 6.6.6.6/32 index 60
+ segment-routing prefix 2001:db8:1000::6/128 index 61
+!
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ip_route.ref b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ip_route.ref
new file mode 100644
index 0000000..b9b43c4
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ip_route.ref
@@ -0,0 +1,413 @@
+{
+  "1.1.1.1\/32":[
+    {
+      "prefix":"1.1.1.1\/32",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":40,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "labels":[
+            16010
+          ]
+        },
+        {
+          "fib":true,
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "labels":[
+            16010
+          ]
+        }
+      ]
+    }
+  ],
+  "2.2.2.2\/32":[
+    {
+      "prefix":"2.2.2.2\/32",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":30,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "backupIndex":[
+            0
+          ],
+          "labels":[
+            16020
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "labels":[
+            16020
+          ]
+        }
+      ]
+    }
+  ],
+  "3.3.3.3\/32":[
+    {
+      "prefix":"3.3.3.3\/32",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":30,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "backupIndex":[
+            0
+          ],
+          "labels":[
+            16030
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "labels":[
+            16030
+          ]
+        }
+      ]
+    }
+  ],
+  "4.4.4.4\/32":[
+    {
+      "prefix":"4.4.4.4\/32",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "backupIndex":[
+            0
+          ],
+          "labels":[
+            3
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "labels":[
+            16040
+          ]
+        }
+      ]
+    }
+  ],
+  "5.5.5.5\/32":[
+    {
+      "prefix":"5.5.5.5\/32",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "backupIndex":[
+            0
+          ],
+          "labels":[
+            3
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "labels":[
+            16050
+          ]
+        }
+      ]
+    }
+  ],
+  "10.0.1.0\/24":[
+    {
+      "prefix":"10.0.1.0\/24",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":30,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true
+        },
+        {
+          "fib":true,
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true
+        }
+      ]
+    }
+  ],
+  "10.0.2.0\/24":[
+    {
+      "prefix":"10.0.2.0\/24",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "backupIndex":[
+            0
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true
+        }
+      ]
+    }
+  ],
+  "10.0.3.0\/24":[
+    {
+      "prefix":"10.0.3.0\/24",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "backupIndex":[
+            0
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true
+        }
+      ]
+    }
+  ],
+  "10.0.4.0\/24":[
+    {
+      "prefix":"10.0.4.0\/24",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "backupIndex":[
+            0
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true
+        }
+      ]
+    }
+  ],
+  "10.0.5.0\/24":[
+    {
+      "prefix":"10.0.5.0\/24",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "backupIndex":[
+            0
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true
+        }
+      ]
+    }
+  ],
+  "10.0.6.0\/24":[
+    {
+      "prefix":"10.0.6.0\/24",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true
+        },
+        {
+          "fib":true,
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true
+        }
+      ]
+    }
+  ],
+  "10.0.7.0\/24":[
+    {
+      "prefix":"10.0.7.0\/24",
+      "protocol":"isis",
+      "distance":115,
+      "metric":20,
+      "nexthops":[
+        {
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "backupIndex":[
+            0
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "active":true
+        }
+      ]
+    }
+  ],
+  "10.0.8.0\/24":[
+    {
+      "prefix":"10.0.8.0\/24",
+      "protocol":"isis",
+      "distance":115,
+      "metric":20,
+      "nexthops":[
+        {
+          "ip":"10.0.8.5",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt5",
+          "backupIndex":[
+            0
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "ip":"10.0.7.4",
+          "afi":"ipv4",
+          "interfaceName":"eth-rt4",
+          "active":true
+        }
+      ]
+    }
+  ]
+}
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ipv6_route.ref b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ipv6_route.ref
new file mode 100644
index 0000000..1b19429
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ipv6_route.ref
@@ -0,0 +1,173 @@
+{
+  "2001:db8:1000::1\/128":[
+    {
+      "prefix":"2001:db8:1000::1\/128",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":40,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "afi":"ipv6",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "labels":[
+            16011
+          ]
+        },
+        {
+          "fib":true,
+          "afi":"ipv6",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "labels":[
+            16011
+          ]
+        }
+      ]
+    }
+  ],
+  "2001:db8:1000::2\/128":[
+    {
+      "prefix":"2001:db8:1000::2\/128",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":30,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "afi":"ipv6",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "backupIndex":[
+            0
+          ],
+          "labels":[
+            16021
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "afi":"ipv6",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "labels":[
+            16021
+          ]
+        }
+      ]
+    }
+  ],
+  "2001:db8:1000::3\/128":[
+    {
+      "prefix":"2001:db8:1000::3\/128",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":30,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "afi":"ipv6",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "backupIndex":[
+            0
+          ],
+          "labels":[
+            16031
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "afi":"ipv6",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "labels":[
+            16031
+          ]
+        }
+      ]
+    }
+  ],
+  "2001:db8:1000::4\/128":[
+    {
+      "prefix":"2001:db8:1000::4\/128",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "afi":"ipv6",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "backupIndex":[
+            0
+          ],
+          "labels":[
+            3
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "afi":"ipv6",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "labels":[
+            16041
+          ]
+        }
+      ]
+    }
+  ],
+  "2001:db8:1000::5\/128":[
+    {
+      "prefix":"2001:db8:1000::5\/128",
+      "protocol":"isis",
+      "selected":true,
+      "destSelected":true,
+      "distance":115,
+      "metric":20,
+      "installed":true,
+      "nexthops":[
+        {
+          "fib":true,
+          "afi":"ipv6",
+          "interfaceName":"eth-rt5",
+          "active":true,
+          "backupIndex":[
+            0
+          ],
+          "labels":[
+            3
+          ]
+        }
+      ],
+      "backupNexthops":[
+        {
+          "afi":"ipv6",
+          "interfaceName":"eth-rt4",
+          "active":true,
+          "labels":[
+            16051
+          ]
+        }
+      ]
+    }
+  ]
+}
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step1/show_mpls_table.ref b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_mpls_table.ref
new file mode 100644
index 0000000..5b52a16
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_mpls_table.ref
@@ -0,0 +1,214 @@
+{
+  "16010":{
+    "inLabel":16010,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16010,
+        "installed":true,
+        "nexthop":"10.0.8.5"
+      },
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16010,
+        "installed":true,
+        "nexthop":"10.0.7.4"
+      }
+    ]
+  },
+  "16011":{
+    "inLabel":16011,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16011,
+        "installed":true,
+        "interface":"eth-rt5"
+      },
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16011,
+        "installed":true,
+        "interface":"eth-rt4"
+      }
+    ]
+  },
+  "16020":{
+    "inLabel":16020,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16020,
+        "installed":true,
+        "nexthop":"10.0.7.4",
+        "backupIndex":[
+          0
+        ]
+      }
+    ],
+    "backupNexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16020,
+        "nexthop":"10.0.8.5"
+      }
+    ]
+  },
+  "16021":{
+    "inLabel":16021,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16021,
+        "installed":true,
+        "interface":"eth-rt4",
+        "backupIndex":[
+          0
+        ]
+      }
+    ],
+    "backupNexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16021,
+        "interface":"eth-rt5"
+      }
+    ]
+  },
+  "16030":{
+    "inLabel":16030,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16030,
+        "installed":true,
+        "nexthop":"10.0.8.5",
+        "backupIndex":[
+          0
+        ]
+      }
+    ],
+    "backupNexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16030,
+        "nexthop":"10.0.7.4"
+      }
+    ]
+  },
+  "16031":{
+    "inLabel":16031,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16031,
+        "installed":true,
+        "interface":"eth-rt5",
+        "backupIndex":[
+          0
+        ]
+      }
+    ],
+    "backupNexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16031,
+        "interface":"eth-rt4"
+      }
+    ]
+  },
+  "16040":{
+    "inLabel":16040,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":3,
+        "installed":true,
+        "nexthop":"10.0.7.4",
+        "backupIndex":[
+          0
+        ]
+      }
+    ],
+    "backupNexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16040,
+        "nexthop":"10.0.8.5"
+      }
+    ]
+  },
+  "16041":{
+    "inLabel":16041,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":3,
+        "installed":true,
+        "interface":"eth-rt4",
+        "backupIndex":[
+          0
+        ]
+      }
+    ],
+    "backupNexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16041,
+        "interface":"eth-rt5"
+      }
+    ]
+  },
+  "16050":{
+    "inLabel":16050,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":3,
+        "installed":true,
+        "nexthop":"10.0.8.5",
+        "backupIndex":[
+          0
+        ]
+      }
+    ],
+    "backupNexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16050,
+        "nexthop":"10.0.7.4"
+      }
+    ]
+  },
+  "16051":{
+    "inLabel":16051,
+    "installed":true,
+    "nexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":3,
+        "installed":true,
+        "interface":"eth-rt5",
+        "backupIndex":[
+          0
+        ]
+      }
+    ],
+    "backupNexthops":[
+      {
+        "type":"SR (IS-IS)",
+        "outLabel":16051,
+        "interface":"eth-rt4"
+      }
+    ]
+  }
+}
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
new file mode 100644
index 0000000..7348323
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
@@ -0,0 +1,44 @@
+{
+  "frr-interface:lib": {
+    "interface": [
+      {
+        "name": "eth-rt4",
+        "vrf": "default",
+        "state": {
+          "frr-isisd:isis": {
+            "adjacencies": {
+              "adjacency": [
+                {
+                  "neighbor-sys-type": "level-1",
+                  "neighbor-sysid": "0000.0000.0004",
+                  "hold-timer": 9,
+                  "neighbor-priority": 0,
+                  "state": "up"
+                }
+              ]
+            }
+          }
+        }
+      },
+      {
+        "name": "eth-rt5",
+        "vrf": "default",
+        "state": {
+          "frr-isisd:isis": {
+            "adjacencies": {
+              "adjacency": [
+                {
+                  "neighbor-sys-type": "level-1",
+                  "neighbor-sysid": "0000.0000.0005",
+                  "hold-timer": 9,
+                  "neighbor-priority": 0,
+                  "state": "up"
+                }
+              ]
+            }
+          }
+        }
+      }
+    ]
+  }
+}
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ip_route.ref.diff
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ip_route.ref.diff
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ipv6_route.ref.diff
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step2/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_mpls_table.ref.diff
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ip_route.ref.diff
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ip_route.ref.diff
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ipv6_route.ref.diff
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step3/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_mpls_table.ref.diff
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ip_route.ref.diff
new file mode 100644
index 0000000..7c2f004
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ip_route.ref.diff
@@ -0,0 +1,70 @@
+--- a/rt6/step3/show_ip_route.ref
++++ b/rt6/step4/show_ip_route.ref
+@@ -14,10 +14,7 @@
+           "ip":"10.0.7.4",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt4",
+-          "active":true,
+-          "labels":[
+-            16010
+-          ]
++          "active":true
+         },
+         {
+           "fib":true,
+@@ -50,9 +47,6 @@
+           "active":true,
+           "backupIndex":[
+             0
+-          ],
+-          "labels":[
+-            16020
+           ]
+         }
+       ],
+@@ -98,10 +92,7 @@
+           "ip":"10.0.7.4",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt4",
+-          "active":true,
+-          "labels":[
+-            16030
+-          ]
++          "active":true
+         }
+       ]
+     }
+@@ -124,9 +115,6 @@
+           "active":true,
+           "backupIndex":[
+             0
+-          ],
+-          "labels":[
+-            3
+           ]
+         }
+       ],
+@@ -135,10 +123,7 @@
+           "ip":"10.0.8.5",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt5",
+-          "active":true,
+-          "labels":[
+-            16040
+-          ]
++          "active":true
+         }
+       ]
+     }
+@@ -172,10 +157,7 @@
+           "ip":"10.0.7.4",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt4",
+-          "active":true,
+-          "labels":[
+-            16050
+-          ]
++          "active":true
+         }
+       ]
+     }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ipv6_route.ref.diff
new file mode 100644
index 0000000..70f872e
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ipv6_route.ref.diff
@@ -0,0 +1,70 @@
+--- a/rt6/step3/show_ipv6_route.ref
++++ b/rt6/step4/show_ipv6_route.ref
+@@ -13,10 +13,7 @@
+           "fib":true,
+           "afi":"ipv6",
+           "interfaceName":"eth-rt4",
+-          "active":true,
+-          "labels":[
+-            16011
+-          ]
++          "active":true
+         },
+         {
+           "fib":true,
+@@ -47,9 +44,6 @@
+           "active":true,
+           "backupIndex":[
+             0
+-          ],
+-          "labels":[
+-            16021
+           ]
+         }
+       ],
+@@ -92,10 +86,7 @@
+         {
+           "afi":"ipv6",
+           "interfaceName":"eth-rt4",
+-          "active":true,
+-          "labels":[
+-            16031
+-          ]
++          "active":true
+         }
+       ]
+     }
+@@ -117,9 +108,6 @@
+           "active":true,
+           "backupIndex":[
+             0
+-          ],
+-          "labels":[
+-            3
+           ]
+         }
+       ],
+@@ -127,10 +115,7 @@
+         {
+           "afi":"ipv6",
+           "interfaceName":"eth-rt5",
+-          "active":true,
+-          "labels":[
+-            16041
+-          ]
++          "active":true
+         }
+       ]
+     }
+@@ -162,10 +147,7 @@
+         {
+           "afi":"ipv6",
+           "interfaceName":"eth-rt4",
+-          "active":true,
+-          "labels":[
+-            16051
+-          ]
++          "active":true
+         }
+       ]
+     }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step4/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_mpls_table.ref.diff
new file mode 100644
index 0000000..c191763
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_mpls_table.ref.diff
@@ -0,0 +1,109 @@
+--- a/rt6/step3/show_mpls_table.ref
++++ b/rt6/step4/show_mpls_table.ref
+@@ -8,12 +8,6 @@
+         "outLabel":16010,
+         "installed":true,
+         "nexthop":"10.0.8.5"
+-      },
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":16010,
+-        "installed":true,
+-        "nexthop":"10.0.7.4"
+       }
+     ]
+   },
+@@ -26,12 +20,6 @@
+         "outLabel":16011,
+         "installed":true,
+         "interface":"eth-rt5"
+-      },
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":16011,
+-        "installed":true,
+-        "interface":"eth-rt4"
+       }
+     ]
+   },
+@@ -96,7 +84,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16030,
++        "outLabel":3,
+         "nexthop":"10.0.7.4"
+       }
+     ]
+@@ -118,52 +106,8 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16031,
+-        "interface":"eth-rt4"
+-      }
+-    ]
+-  },
+-  "16040":{
+-    "inLabel":16040,
+-    "installed":true,
+-    "nexthops":[
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":3,
+-        "installed":true,
+-        "nexthop":"10.0.7.4",
+-        "backupIndex":[
+-          0
+-        ]
+-      }
+-    ],
+-    "backupNexthops":[
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":16040,
+-        "nexthop":"10.0.8.5"
+-      }
+-    ]
+-  },
+-  "16041":{
+-    "inLabel":16041,
+-    "installed":true,
+-    "nexthops":[
+-      {
+-        "type":"SR (IS-IS)",
+         "outLabel":3,
+-        "installed":true,
+-        "interface":"eth-rt4",
+-        "backupIndex":[
+-          0
+-        ]
+-      }
+-    ],
+-    "backupNexthops":[
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":16041,
+-        "interface":"eth-rt5"
++        "interface":"eth-rt4"
+       }
+     ]
+   },
+@@ -184,7 +128,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16050,
++        "outLabel":3,
+         "nexthop":"10.0.7.4"
+       }
+     ]
+@@ -206,7 +150,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16051,
++        "outLabel":3,
+         "interface":"eth-rt4"
+       }
+     ]
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ip_route.ref.diff
new file mode 100644
index 0000000..9f017d2
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ip_route.ref.diff
@@ -0,0 +1,70 @@
+--- a/rt6/step4/show_ip_route.ref
++++ b/rt6/step5/show_ip_route.ref
+@@ -14,7 +14,10 @@
+           "ip":"10.0.7.4",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt4",
+-          "active":true
++          "active":true,
++          "labels":[
++            16010
++          ]
+         },
+         {
+           "fib":true,
+@@ -47,6 +50,9 @@
+           "active":true,
+           "backupIndex":[
+             0
++          ],
++          "labels":[
++            16020
+           ]
+         }
+       ],
+@@ -92,7 +98,10 @@
+           "ip":"10.0.7.4",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt4",
+-          "active":true
++          "active":true,
++          "labels":[
++            16030
++          ]
+         }
+       ]
+     }
+@@ -115,6 +124,9 @@
+           "active":true,
+           "backupIndex":[
+             0
++          ],
++          "labels":[
++            3
+           ]
+         }
+       ],
+@@ -123,7 +135,10 @@
+           "ip":"10.0.8.5",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt5",
+-          "active":true
++          "active":true,
++          "labels":[
++            16040
++          ]
+         }
+       ]
+     }
+@@ -157,7 +172,10 @@
+           "ip":"10.0.7.4",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt4",
+-          "active":true
++          "active":true,
++          "labels":[
++            16050
++          ]
+         }
+       ]
+     }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ipv6_route.ref.diff
new file mode 100644
index 0000000..1209504
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ipv6_route.ref.diff
@@ -0,0 +1,70 @@
+--- a/rt6/step4/show_ipv6_route.ref
++++ b/rt6/step5/show_ipv6_route.ref
+@@ -13,7 +13,10 @@
+           "fib":true,
+           "afi":"ipv6",
+           "interfaceName":"eth-rt4",
+-          "active":true
++          "active":true,
++          "labels":[
++            16011
++          ]
+         },
+         {
+           "fib":true,
+@@ -44,6 +47,9 @@
+           "active":true,
+           "backupIndex":[
+             0
++          ],
++          "labels":[
++            16021
+           ]
+         }
+       ],
+@@ -86,7 +92,10 @@
+         {
+           "afi":"ipv6",
+           "interfaceName":"eth-rt4",
+-          "active":true
++          "active":true,
++          "labels":[
++            16031
++          ]
+         }
+       ]
+     }
+@@ -108,6 +117,9 @@
+           "active":true,
+           "backupIndex":[
+             0
++          ],
++          "labels":[
++            3
+           ]
+         }
+       ],
+@@ -115,7 +127,10 @@
+         {
+           "afi":"ipv6",
+           "interfaceName":"eth-rt5",
+-          "active":true
++          "active":true,
++          "labels":[
++            16041
++          ]
+         }
+       ]
+     }
+@@ -147,7 +162,10 @@
+         {
+           "afi":"ipv6",
+           "interfaceName":"eth-rt4",
+-          "active":true
++          "active":true,
++          "labels":[
++            16051
++          ]
+         }
+       ]
+     }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step5/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_mpls_table.ref.diff
new file mode 100644
index 0000000..abf7c2a
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_mpls_table.ref.diff
@@ -0,0 +1,112 @@
+--- a/rt6/step4/show_mpls_table.ref
++++ b/rt6/step5/show_mpls_table.ref
+@@ -7,6 +7,12 @@
+         "type":"SR (IS-IS)",
+         "outLabel":16010,
+         "installed":true,
++        "nexthop":"10.0.7.4"
++      },
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":16010,
++        "installed":true,
+         "nexthop":"10.0.8.5"
+       }
+     ]
+@@ -19,6 +25,12 @@
+         "type":"SR (IS-IS)",
+         "outLabel":16011,
+         "installed":true,
++        "interface":"eth-rt4"
++      },
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":16011,
++        "installed":true,
+         "interface":"eth-rt5"
+       }
+     ]
+@@ -84,7 +96,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":3,
++        "outLabel":16030,
+         "nexthop":"10.0.7.4"
+       }
+     ]
+@@ -106,11 +118,55 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":3,
++        "outLabel":16031,
+         "interface":"eth-rt4"
+       }
+     ]
+   },
++  "16040":{
++    "inLabel":16040,
++    "installed":true,
++    "nexthops":[
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":3,
++        "installed":true,
++        "nexthop":"10.0.7.4",
++        "backupIndex":[
++          0
++        ]
++      }
++    ],
++    "backupNexthops":[
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":16040,
++        "nexthop":"10.0.8.5"
++      }
++    ]
++  },
++  "16041":{
++    "inLabel":16041,
++    "installed":true,
++    "nexthops":[
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":3,
++        "installed":true,
++        "interface":"eth-rt4",
++        "backupIndex":[
++          0
++        ]
++      }
++    ],
++    "backupNexthops":[
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":16041,
++        "interface":"eth-rt5"
++      }
++    ]
++  },
+   "16050":{
+     "inLabel":16050,
+     "installed":true,
+@@ -128,7 +184,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":3,
++        "outLabel":16050,
+         "nexthop":"10.0.7.4"
+       }
+     ]
+@@ -150,7 +206,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":3,
++        "outLabel":16051,
+         "interface":"eth-rt4"
+       }
+     ]
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ip_route.ref.diff
new file mode 100644
index 0000000..f318f95
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ip_route.ref.diff
@@ -0,0 +1,38 @@
+--- a/rt6/step5/show_ip_route.ref
++++ b/rt6/step6/show_ip_route.ref
+@@ -26,7 +26,7 @@
+           "interfaceName":"eth-rt5",
+           "active":true,
+           "labels":[
+-            16010
++            30010
+           ]
+         }
+       ]
+@@ -63,7 +63,7 @@
+           "interfaceName":"eth-rt5",
+           "active":true,
+           "labels":[
+-            16020
++            30020
+           ]
+         }
+       ]
+@@ -89,7 +89,7 @@
+             0
+           ],
+           "labels":[
+-            16030
++            30030
+           ]
+         }
+       ],
+@@ -137,7 +137,7 @@
+           "interfaceName":"eth-rt5",
+           "active":true,
+           "labels":[
+-            16040
++            30040
+           ]
+         }
+       ]
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ipv6_route.ref.diff
new file mode 100644
index 0000000..9208491
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ipv6_route.ref.diff
@@ -0,0 +1,38 @@
+--- a/rt6/step5/show_ipv6_route.ref
++++ b/rt6/step6/show_ipv6_route.ref
+@@ -24,7 +24,7 @@
+           "interfaceName":"eth-rt5",
+           "active":true,
+           "labels":[
+-            16011
++            30011
+           ]
+         }
+       ]
+@@ -59,7 +59,7 @@
+           "interfaceName":"eth-rt5",
+           "active":true,
+           "labels":[
+-            16021
++            30021
+           ]
+         }
+       ]
+@@ -84,7 +84,7 @@
+             0
+           ],
+           "labels":[
+-            16031
++            30031
+           ]
+         }
+       ],
+@@ -129,7 +129,7 @@
+           "interfaceName":"eth-rt5",
+           "active":true,
+           "labels":[
+-            16041
++            30041
+           ]
+         }
+       ]
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step6/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_mpls_table.ref.diff
new file mode 100644
index 0000000..aee8969
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_mpls_table.ref.diff
@@ -0,0 +1,74 @@
+--- a/rt6/step5/show_mpls_table.ref
++++ b/rt6/step6/show_mpls_table.ref
+@@ -11,7 +11,7 @@
+       },
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16010,
++        "outLabel":30010,
+         "installed":true,
+         "nexthop":"10.0.8.5"
+       }
+@@ -29,7 +29,7 @@
+       },
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16011,
++        "outLabel":30011,
+         "installed":true,
+         "interface":"eth-rt5"
+       }
+@@ -52,7 +52,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16020,
++        "outLabel":30020,
+         "nexthop":"10.0.8.5"
+       }
+     ]
+@@ -74,7 +74,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16021,
++        "outLabel":30021,
+         "interface":"eth-rt5"
+       }
+     ]
+@@ -85,7 +85,7 @@
+     "nexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16030,
++        "outLabel":30030,
+         "installed":true,
+         "nexthop":"10.0.8.5",
+         "backupIndex":[
+@@ -107,7 +107,7 @@
+     "nexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16031,
++        "outLabel":30031,
+         "installed":true,
+         "interface":"eth-rt5",
+         "backupIndex":[
+@@ -140,7 +140,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16040,
++        "outLabel":30040,
+         "nexthop":"10.0.8.5"
+       }
+     ]
+@@ -162,7 +162,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16041,
++        "outLabel":30041,
+         "interface":"eth-rt5"
+       }
+     ]
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ip_route.ref.diff
new file mode 100644
index 0000000..0e6c3ff
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ip_route.ref.diff
@@ -0,0 +1,24 @@
+--- a/rt6/step6/show_ip_route.ref
++++ b/rt6/step7/show_ip_route.ref
+@@ -161,9 +161,6 @@
+           "active":true,
+           "backupIndex":[
+             0
+-          ],
+-          "labels":[
+-            3
+           ]
+         }
+       ],
+@@ -172,10 +169,7 @@
+           "ip":"10.0.7.4",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt4",
+-          "active":true,
+-          "labels":[
+-            16050
+-          ]
++          "active":true
+         }
+       ]
+     }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ipv6_route.ref.diff
new file mode 100644
index 0000000..2fe46c8
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ipv6_route.ref.diff
@@ -0,0 +1,24 @@
+--- a/rt6/step6/show_ipv6_route.ref
++++ b/rt6/step7/show_ipv6_route.ref
+@@ -152,9 +152,6 @@
+           "active":true,
+           "backupIndex":[
+             0
+-          ],
+-          "labels":[
+-            3
+           ]
+         }
+       ],
+@@ -162,10 +159,7 @@
+         {
+           "afi":"ipv6",
+           "interfaceName":"eth-rt4",
+-          "active":true,
+-          "labels":[
+-            16051
+-          ]
++          "active":true
+         }
+       ]
+     }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step7/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_mpls_table.ref.diff
new file mode 100644
index 0000000..179a4f4
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_mpls_table.ref.diff
@@ -0,0 +1,52 @@
+--- a/rt6/step6/show_mpls_table.ref
++++ b/rt6/step7/show_mpls_table.ref
+@@ -166,49 +166,5 @@
+         "interface":"eth-rt5"
+       }
+     ]
+-  },
+-  "16050":{
+-    "inLabel":16050,
+-    "installed":true,
+-    "nexthops":[
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":3,
+-        "installed":true,
+-        "nexthop":"10.0.8.5",
+-        "backupIndex":[
+-          0
+-        ]
+-      }
+-    ],
+-    "backupNexthops":[
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":16050,
+-        "nexthop":"10.0.7.4"
+-      }
+-    ]
+-  },
+-  "16051":{
+-    "inLabel":16051,
+-    "installed":true,
+-    "nexthops":[
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":3,
+-        "installed":true,
+-        "interface":"eth-rt5",
+-        "backupIndex":[
+-          0
+-        ]
+-      }
+-    ],
+-    "backupNexthops":[
+-      {
+-        "type":"SR (IS-IS)",
+-        "outLabel":16051,
+-        "interface":"eth-rt4"
+-      }
+-    ]
+   }
+ }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ip_route.ref.diff
new file mode 100644
index 0000000..9d5c440
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ip_route.ref.diff
@@ -0,0 +1,24 @@
+--- a/rt6/step7/show_ip_route.ref
++++ b/rt6/step8/show_ip_route.ref
+@@ -161,6 +161,9 @@
+           "active":true,
+           "backupIndex":[
+             0
++          ],
++          "labels":[
++            3
+           ]
+         }
+       ],
+@@ -169,7 +172,10 @@
+           "ip":"10.0.7.4",
+           "afi":"ipv4",
+           "interfaceName":"eth-rt4",
+-          "active":true
++          "active":true,
++          "labels":[
++            16050
++          ]
+         }
+       ]
+     }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ipv6_route.ref.diff
new file mode 100644
index 0000000..21cab20
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ipv6_route.ref.diff
@@ -0,0 +1,24 @@
+--- a/rt6/step7/show_ipv6_route.ref
++++ b/rt6/step8/show_ipv6_route.ref
+@@ -152,6 +152,9 @@
+           "active":true,
+           "backupIndex":[
+             0
++          ],
++          "labels":[
++            3
+           ]
+         }
+       ],
+@@ -159,7 +162,10 @@
+         {
+           "afi":"ipv6",
+           "interfaceName":"eth-rt4",
+-          "active":true
++          "active":true,
++          "labels":[
++            16051
++          ]
+         }
+       ]
+     }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step8/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_mpls_table.ref.diff
new file mode 100644
index 0000000..760c554
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_mpls_table.ref.diff
@@ -0,0 +1,52 @@
+--- a/rt6/step7/show_mpls_table.ref
++++ b/rt6/step8/show_mpls_table.ref
+@@ -166,5 +166,49 @@
+         "interface":"eth-rt5"
+       }
+     ]
++  },
++  "16050":{
++    "inLabel":16050,
++    "installed":true,
++    "nexthops":[
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":3,
++        "installed":true,
++        "nexthop":"10.0.8.5",
++        "backupIndex":[
++          0
++        ]
++      }
++    ],
++    "backupNexthops":[
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":16050,
++        "nexthop":"10.0.7.4"
++      }
++    ]
++  },
++  "16051":{
++    "inLabel":16051,
++    "installed":true,
++    "nexthops":[
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":3,
++        "installed":true,
++        "interface":"eth-rt5",
++        "backupIndex":[
++          0
++        ]
++      }
++    ],
++    "backupNexthops":[
++      {
++        "type":"SR (IS-IS)",
++        "outLabel":16051,
++        "interface":"eth-rt4"
++      }
++    ]
+   }
+ }
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ip_route.ref.diff
new file mode 100644
index 0000000..ee29647
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ip_route.ref.diff
@@ -0,0 +1,11 @@
+--- a/rt6/step8/show_ip_route.ref
++++ b/rt6/step9/show_ip_route.ref
+@@ -174,7 +174,7 @@
+           "interfaceName":"eth-rt4",
+           "active":true,
+           "labels":[
+-            16050
++            16500
+           ]
+         }
+       ]
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ipv6_route.ref.diff
new file mode 100644
index 0000000..bebca4d
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ipv6_route.ref.diff
@@ -0,0 +1,11 @@
+--- a/rt6/step8/show_ipv6_route.ref
++++ b/rt6/step9/show_ipv6_route.ref
+@@ -164,7 +164,7 @@
+           "interfaceName":"eth-rt4",
+           "active":true,
+           "labels":[
+-            16051
++            16501
+           ]
+         }
+       ]
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/step9/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_mpls_table.ref.diff
new file mode 100644
index 0000000..57347d1
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_mpls_table.ref.diff
@@ -0,0 +1,39 @@
+--- a/rt6/step8/show_mpls_table.ref
++++ b/rt6/step9/show_mpls_table.ref
+@@ -167,8 +167,8 @@
+       }
+     ]
+   },
+-  "16050":{
+-    "inLabel":16050,
++  "16500":{
++    "inLabel":16500,
+     "installed":true,
+     "nexthops":[
+       {
+@@ -184,13 +184,13 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16050,
++        "outLabel":16500,
+         "nexthop":"10.0.7.4"
+       }
+     ]
+   },
+-  "16051":{
+-    "inLabel":16051,
++  "16501":{
++    "inLabel":16501,
+     "installed":true,
+     "nexthops":[
+       {
+@@ -206,7 +206,7 @@
+     "backupNexthops":[
+       {
+         "type":"SR (IS-IS)",
+-        "outLabel":16051,
++        "outLabel":16501,
+         "interface":"eth-rt4"
+       }
+     ]
diff --git a/tests/topotests/isis_tilfa_topo1/rt6/zebra.conf b/tests/topotests/isis_tilfa_topo1/rt6/zebra.conf
new file mode 100644
index 0000000..4d51d3d
--- /dev/null
+++ b/tests/topotests/isis_tilfa_topo1/rt6/zebra.conf
@@ -0,0 +1,22 @@
+log file zebra.log
+!
+hostname rt6
+!
+! debug zebra kernel
+! debug zebra packet
+! debug zebra mpls
+!
+interface lo
+ ip address 6.6.6.6/32
+ ipv6 address 2001:db8:1000::6/128
+!
+interface eth-rt4
+ ip address 10.0.7.6/24
+!
+interface eth-rt5
+ ip address 10.0.8.6/24
+!
+ip forwarding
+!
+line vty
+!