From 2076423b1e7960653a5235d8b1966ac82da5466b Mon Sep 17 00:00:00 2001
From: F5 <i@f5soft.site>
Date: Tue, 25 Oct 2022 17:08:48 +0800
Subject: [PATCH] internet: Fix global routing when using the multithreaded
 simulator

---
 src/internet/model/global-route-manager-impl.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/internet/model/global-route-manager-impl.cc b/src/internet/model/global-route-manager-impl.cc
index 6cf131cf3..8435125f0 100644
--- a/src/internet/model/global-route-manager-impl.cc
+++ b/src/internet/model/global-route-manager-impl.cc
@@ -710,12 +710,14 @@ GlobalRouteManagerImpl::InitializeRoutes ()
       Ptr<GlobalRouter> rtr = 
         node->GetObject<GlobalRouter> ();
 
+#ifdef NS3_MPI
       uint32_t systemId = Simulator::GetSystemId ();
       // Ignore nodes that are not assigned to our systemId (distributed sim)
       if (node->GetSystemId () != systemId) 
         {
           continue;
         }
+#endif
 
 //
 // if the node has a global router interface, then run the global routing