diff --git a/topology/default.topo b/topology/default.topo
index bab916fb21..28b9a28cb3 100644
--- a/topology/default.topo
+++ b/topology/default.topo
@@ -58,21 +58,29 @@ ASes:
 links:
   - {a: "1-ff00:0:110#1",     b: "1-ff00:0:120-A#6",   linkAtoB: CORE}
   - {a: "1-ff00:0:110#2",     b: "1-ff00:0:130-A#104", linkAtoB: CORE, }
-  - {a: "1-ff00:0:110#3",     b: "2-ff00:0:210#3",   linkAtoB: CORE}
+  - {a: "1-ff00:0:110#3",     b: "2-ff00:0:210#453",   linkAtoB: CORE}
   - {a: "1-ff00:0:120-A#1",   b: "1-ff00:0:130-B#105", linkAtoB: CORE}
-  - {a: "1-ff00:0:120-A#2",   b: "2-ff00:0:220#501",   linkAtoB: CORE }
-  - {a: "1-ff00:0:120-A#4",   b: "1-ff00:0:121#3",     linkAtoB: CHILD}
+  - {a: "1-ff00:0:120-B#2",   b: "2-ff00:0:220#501",   linkAtoB: CORE }
+  - {a: "1-ff00:0:120-B#3",   b: "2-ff00:0:220#502",   linkAtoB: CORE}
+  - {a: "1-ff00:0:120-B#4",   b: "1-ff00:0:121#3",     linkAtoB: CHILD}
   - {a: "1-ff00:0:120#5",     b: "1-ff00:0:111-B#104", linkAtoB: CHILD}
   - {a: "1-ff00:0:130-A#111", b: "1-ff00:0:131#479",   linkAtoB: CHILD}
   - {a: "1-ff00:0:130-B#112", b: "1-ff00:0:111-A#105", linkAtoB: CHILD, }
   - {a: "1-ff00:0:130-A#113", b: "1-ff00:0:112#495",   linkAtoB: CHILD}
+  - {a: "1-ff00:0:111-C#100", b: "1-ff00:0:121#4",     linkAtoB: PEER}
+  - {a: "1-ff00:0:111-B#101", b: "2-ff00:0:211-A#5",   linkAtoB: PEER, }
+  - {a: "1-ff00:0:111-C#102", b: "2-ff00:0:211-A#6",   linkAtoB: PEER}
   - {a: "1-ff00:0:111-A#103", b: "1-ff00:0:112#494",   linkAtoB: CHILD}
+  - {a: "1-ff00:0:121#1",     b: "1-ff00:0:131#480",   linkAtoB: PEER}
   - {a: "1-ff00:0:121#2",     b: "1-ff00:0:122#2",     linkAtoB: CHILD, }
+  - {a: "1-ff00:0:122#1",     b: "1-ff00:0:133#1",     linkAtoB: PEER}
   - {a: "1-ff00:0:131#478",   b: "1-ff00:0:132#2",     linkAtoB: CHILD}
   - {a: "1-ff00:0:132#1",     b: "1-ff00:0:133#2",     linkAtoB: CHILD}
-  - {a: "2-ff00:0:210#10",   b: "2-ff00:0:220#503",   linkAtoB: CORE, }
-  - {a: "2-ff00:0:210#1",   b: "2-ff00:0:211-A#7",   linkAtoB: CHILD}
+  - {a: "2-ff00:0:210#450",   b: "2-ff00:0:220#503",   linkAtoB: CORE, }
+  - {a: "2-ff00:0:210#451",   b: "2-ff00:0:211-A#7",   linkAtoB: CHILD}
+  - {a: "2-ff00:0:210#452",   b: "2-ff00:0:211-A#8",   linkAtoB: CHILD}
   - {a: "2-ff00:0:220#500",   b: "2-ff00:0:221#2",     linkAtoB: CHILD}
+  - {a: "2-ff00:0:211-A#1",   b: "2-ff00:0:221#3",     linkAtoB: PEER, }
   - {a: "2-ff00:0:211-A#2",   b: "2-ff00:0:212#201",   linkAtoB: CHILD}
   - {a: "2-ff00:0:211-A#3",   b: "2-ff00:0:212#200",   linkAtoB: CHILD}
   - {a: "2-ff00:0:211-A#4",   b: "2-ff00:0:222#301",   linkAtoB: CHILD}