From 46be5b4f579039c3904a1f34bd167e3aff87aa44 Mon Sep 17 00:00:00 2001
From: rongli <rongli@nestlabs.com>
Date: Thu, 24 Nov 2016 23:42:30 +0800
Subject: [PATCH] FTD sends out first MLE advertisement when it decides to be
 REED (#1011)

---
 src/core/thread/mle_router.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/thread/mle_router.cpp b/src/core/thread/mle_router.cpp
index 55d5034f0..6c73809e2 100644
--- a/src/core/thread/mle_router.cpp
+++ b/src/core/thread/mle_router.cpp
@@ -350,6 +350,11 @@ ThreadError MleRouter::HandleChildStart(otMleAttachFilter aFilter)
             Timer::SecToMsec(kReedAdvertiseInterval + kReedAdvertiseJitter),
             TrickleTimer::kModePlainTimer);
         mNetif.SubscribeAllRoutersMulticast();
+
+        if (GetActiveRouterCount() >= mRouterUpgradeThreshold)
+        {
+            SendAdvertisement();
+        }
     }
 
     return kThreadError_None;