From c22e4fe19b775a03b71ac807f0441175ba6685e8 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Thu, 14 Mar 2013 12:51:16 -0700
Subject: [PATCH] When there is no route to host for SSH, re-establish a new
 connection

---
 CHANGELOG.md                              | 1 +
 plugins/communicators/ssh/communicator.rb | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7583301a6..6a26f39e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ BUG FIXES:
 
   - Quote keys to StringBlockEditor so keys with spaces, parens, and
     so on work properly.
+  - When there is no route to host for SSH, re-establish a new connection.
 
 ## 1.1.0 (March 14, 2013)
 
diff --git a/plugins/communicators/ssh/communicator.rb b/plugins/communicators/ssh/communicator.rb
index fbc22c05e..bb9dc7792 100644
--- a/plugins/communicators/ssh/communicator.rb
+++ b/plugins/communicators/ssh/communicator.rb
@@ -126,6 +126,9 @@ module VagrantPlugins
           # socket.
           begin
             @connection.exec!("")
+          rescue Errno::EHOSTUNREACH
+            @logger.info("No route to host for connection. Not re-using.")
+            @connection = nil
           rescue IOError
             @logger.info("Connection has been closed. Not re-using.")
             @connection = nil