Fix the MAC address autogenerator which was not resetting after repeated

instantiation of topologies, which could lead to overflows of the last
byte of the autogenerated MAC addresses.

Bug found by:
Submitted by:
Requested by:
Reviewed by:
Approved by:
Obtained from:

diff --git a/exec.tcl b/exec.tcl
index 661c23fb4357e4c9331945504009076ff0ca1db5..511c6bd7cb2c3980184257f28f770ea4ed651712 100755 (executable)
--- a/exec.tcl
+++ b/exec.tcl
@@ -123,7 +123,6 @@ proc createIfc {type hook} {
 }
 
 
-set mac_byte5 0
 proc l3node.instantiate { eid node } {
     global mac_byte5
     set node_id "$eid\_$node"
@@ -190,6 +189,9 @@ proc l3node.nghook { eid node ifc } {
 proc deployCfg {} {
     global eid
     global nodes links supp_router_models
+    global mac_byte5
+
+    set mac_byte5 0
 
     set t_start [clock seconds]