Add iBGP confederation peer, rename to DUT

Author: jbemmel

tests/integration/bgp.confederation/01-baseline.yml

@@ -10,29 +10,31 @@ groups:
   _auto_create: True
 
   confed:
-    members: [ c1, c2, c3 ]
+    members: [ dut, c2, c3 ]
 
   ext:
     members: [ e1 ]
     device: frr
     provider: clab
 
 nodes:
-  c1:
+  dut:
     bgp.as: 65001
+    module: [ bgp, ospf ]
   c2:
     bgp.as: 65002
     device: frr
     provider: clab
   c3:
-    bgp.as: 65002 # Same as C2
+    bgp.as: 65001 # Same as DUT
     device: frr
     provider: clab
+    module: [ bgp, ospf ]
   e1:
     bgp.as: 65003
 
 links:
-- c1-c2
-- c1-e1
+- dut-c2
+- dut-e1
 - c2-e1
-- c2-c3 # iBGP within same confederation
+- dut-c3 # iBGP within same confederation