diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ce3bd4a8..b884d1beb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ BUG FIXES:
   - guests/funtoo: fix incorrect path in configure networks [GH-4812]
   - plugins/login: allow users to login with a token [GH-5145]
   - provisioners/ansible: fix SSH settings to support more than 5 ssh keys [GH-5017]
+  - provisioners/ansible: increase ansible connection timeout to 30 seconds [GH-5175]
 
 ## 1.7.2 (January 6, 2015)
 
diff --git a/plugins/provisioners/ansible/provisioner.rb b/plugins/provisioners/ansible/provisioner.rb
index edd8eafb9..f4d084c6a 100644
--- a/plugins/provisioners/ansible/provisioner.rb
+++ b/plugins/provisioners/ansible/provisioner.rb
@@ -25,6 +25,12 @@ module VagrantPlugins
         # but can be enabled via raw_arguments option.
         options << "--connection=ssh"
 
+        # Increase the SSH connection timeout, as the Ansible default value (10 seconds)
+        # is a bit demanding for some overloaded developer boxes. This is particularly 
+        # helpful when additioal virtual networks are configured, as their availability
+        # is not controlled during vagrant boot process.
+        options << "--timeout=30"
+
         # By default we limit by the current machine, but
         # this can be overridden by the `limit` option.
         if config.limit
diff --git a/test/unit/plugins/provisioners/ansible/provisioner_test.rb b/test/unit/plugins/provisioners/ansible/provisioner_test.rb
index 22a5aa174..05fa8fae3 100644
--- a/test/unit/plugins/provisioners/ansible/provisioner_test.rb
+++ b/test/unit/plugins/provisioners/ansible/provisioner_test.rb
@@ -64,7 +64,7 @@ VF
   #
 
   def self.it_should_set_arguments_and_environment_variables(
-    expected_args_count = 6, expected_vars_count = 4, expected_host_key_checking = false, expected_transport_mode = "ssh")
+    expected_args_count = 7, expected_vars_count = 4, expected_host_key_checking = false, expected_transport_mode = "ssh")
 
     it "sets implicit arguments in a specific order" do
       expect(Vagrant::Util::Subprocess).to receive(:execute).with { |*args|
@@ -73,6 +73,7 @@ VF
         expect(args[1]).to eq("--private-key=#{machine.ssh_info[:private_key_path][0]}")
         expect(args[2]).to eq("--user=#{machine.ssh_info[:username]}")
         expect(args[3]).to eq("--connection=ssh")
+        expect(args[4]).to eq("--timeout=30")
 
         inventory_count = args.count { |x| x =~ /^--inventory-file=.+$/ }
         expect(inventory_count).to be > 0
@@ -272,7 +273,7 @@ VF
         config.host_key_checking = true
       end
 
-      it_should_set_arguments_and_environment_variables 6, 4, true
+      it_should_set_arguments_and_environment_variables 7, 4, true
     end
 
     describe "with boolean (flag) options disabled" do
@@ -284,7 +285,7 @@ VF
         config.sudo_user = 'root'
       end
 
-      it_should_set_arguments_and_environment_variables 7
+      it_should_set_arguments_and_environment_variables 8
       it_should_set_optional_arguments({ "sudo_user" => "--sudo-user=root" })
 
       it "it does not set boolean flag when corresponding option is set to false" do
@@ -313,7 +314,7 @@ VF
                                 "--new-arg=yeah"]
       end
 
-      it_should_set_arguments_and_environment_variables 17, 4, false, "paramiko"
+      it_should_set_arguments_and_environment_variables 18, 4, false, "paramiko"
 
       it "sets all raw arguments" do
         expect(Vagrant::Util::Subprocess).to receive(:execute).with { |*args|
@@ -369,7 +370,7 @@ VF
         config.ask_vault_pass = true
       end
 
-      it_should_set_arguments_and_environment_variables 7
+      it_should_set_arguments_and_environment_variables 8
 
       it "should ask the vault password" do
         expect(Vagrant::Util::Subprocess).to receive(:execute).with { |*args|
@@ -383,7 +384,7 @@ VF
         config.vault_password_file = existing_file
       end
 
-      it_should_set_arguments_and_environment_variables 7
+      it_should_set_arguments_and_environment_variables 8
 
       it "uses the given vault password file" do
         expect(Vagrant::Util::Subprocess).to receive(:execute).with { |*args|
@@ -397,7 +398,7 @@ VF
         config.raw_ssh_args = ['-o ControlMaster=no', '-o ForwardAgent=no']
       end
 
-      it_should_set_arguments_and_environment_variables 6, 4
+      it_should_set_arguments_and_environment_variables 7, 4
       it_should_explicitly_enable_ansible_ssh_control_persist_defaults
 
       it "passes custom SSH options via ANSIBLE_SSH_ARGS with the highest priority" do
@@ -431,7 +432,7 @@ VF
         ssh_info[:private_key_path] = ['/path/to/my/key', '/an/other/identity', '/yet/an/other/key']
       end
 
-      it_should_set_arguments_and_environment_variables 6, 4
+      it_should_set_arguments_and_environment_variables 7, 4
       it_should_explicitly_enable_ansible_ssh_control_persist_defaults
 
       it "passes additional Identity Files via ANSIBLE_SSH_ARGS" do
@@ -448,7 +449,7 @@ VF
         ssh_info[:forward_agent] = true
       end
 
-      it_should_set_arguments_and_environment_variables 6, 4
+      it_should_set_arguments_and_environment_variables 7, 4
       it_should_explicitly_enable_ansible_ssh_control_persist_defaults
 
       it "enables SSH-Forwarding via ANSIBLE_SSH_ARGS" do
@@ -467,7 +468,7 @@ VF
 
       it "shows the ansible-playbook command" do
         expect(machine.env.ui).to receive(:detail).with { |full_command|
-          expect(full_command).to eq("PYTHONUNBUFFERED=1 ANSIBLE_FORCE_COLOR=true ANSIBLE_HOST_KEY_CHECKING=false ANSIBLE_SSH_ARGS='-o UserKnownHostsFile=/dev/null -o IdentitiesOnly=yes -o ControlMaster=auto -o ControlPersist=60s' ansible-playbook --private-key=/path/to/my/key --user=testuser --connection=ssh --limit='machine1' --inventory-file=#{generated_inventory_dir} playbook.yml")
+          expect(full_command).to eq("PYTHONUNBUFFERED=1 ANSIBLE_FORCE_COLOR=true ANSIBLE_HOST_KEY_CHECKING=false ANSIBLE_SSH_ARGS='-o UserKnownHostsFile=/dev/null -o IdentitiesOnly=yes -o ControlMaster=auto -o ControlPersist=60s' ansible-playbook --private-key=/path/to/my/key --user=testuser --connection=ssh --timeout=30 --limit='machine1' --inventory-file=#{generated_inventory_dir} playbook.yml")
         }
       end
     end
@@ -477,12 +478,12 @@ VF
         config.verbose = 'v'
       end
 
-      it_should_set_arguments_and_environment_variables 7
+      it_should_set_arguments_and_environment_variables 8
       it_should_set_optional_arguments({ "verbose" => "-v" })
 
       it "shows the ansible-playbook command" do
         expect(machine.env.ui).to receive(:detail).with { |full_command|
-          expect(full_command).to eq("PYTHONUNBUFFERED=1 ANSIBLE_FORCE_COLOR=true ANSIBLE_HOST_KEY_CHECKING=false ANSIBLE_SSH_ARGS='-o UserKnownHostsFile=/dev/null -o IdentitiesOnly=yes -o ControlMaster=auto -o ControlPersist=60s' ansible-playbook --private-key=/path/to/my/key --user=testuser --connection=ssh --limit='machine1' --inventory-file=#{generated_inventory_dir} -v playbook.yml")
+          expect(full_command).to eq("PYTHONUNBUFFERED=1 ANSIBLE_FORCE_COLOR=true ANSIBLE_HOST_KEY_CHECKING=false ANSIBLE_SSH_ARGS='-o UserKnownHostsFile=/dev/null -o IdentitiesOnly=yes -o ControlMaster=auto -o ControlPersist=60s' ansible-playbook --private-key=/path/to/my/key --user=testuser --connection=ssh --timeout=30 --limit='machine1' --inventory-file=#{generated_inventory_dir} -v playbook.yml")
         }
       end
     end
@@ -515,7 +516,7 @@ VF
         config.raw_ssh_args = ['-o ControlMaster=no']
       end
 
-      it_should_set_arguments_and_environment_variables 20, 4, true
+      it_should_set_arguments_and_environment_variables 21, 4, true
       it_should_explicitly_enable_ansible_ssh_control_persist_defaults
       it_should_set_optional_arguments({  "extra_vars"          => "--extra-vars=@#{File.expand_path(__FILE__)}",
                                           "sudo"                => "--sudo",
@@ -540,7 +541,7 @@ VF
 
       it "shows the ansible-playbook command, with additional quotes when required" do
         expect(machine.env.ui).to receive(:detail).with { |full_command|
-          expect(full_command).to eq("PYTHONUNBUFFERED=1 ANSIBLE_FORCE_COLOR=true ANSIBLE_HOST_KEY_CHECKING=true ANSIBLE_SSH_ARGS='-o IdentitiesOnly=yes -o IdentityFile=/my/key2 -o ForwardAgent=yes -o ControlMaster=no -o ControlMaster=auto -o ControlPersist=60s' ansible-playbook --private-key=/my/key1 --user=testuser --connection=ssh --limit='machine*:&vagrant:!that_one' --inventory-file=#{generated_inventory_dir} --extra-vars=@#{File.expand_path(__FILE__)} --sudo --sudo-user=deployer -vvv --ask-sudo-pass --ask-vault-pass --vault-password-file=#{File.expand_path(__FILE__)} --tags=db,www --skip-tags=foo,bar --start-at-task='an awesome task' --why-not --su-user=foot --ask-su-pass --limit='all' playbook.yml")
+          expect(full_command).to eq("PYTHONUNBUFFERED=1 ANSIBLE_FORCE_COLOR=true ANSIBLE_HOST_KEY_CHECKING=true ANSIBLE_SSH_ARGS='-o IdentitiesOnly=yes -o IdentityFile=/my/key2 -o ForwardAgent=yes -o ControlMaster=no -o ControlMaster=auto -o ControlPersist=60s' ansible-playbook --private-key=/my/key1 --user=testuser --connection=ssh --timeout=30 --limit='machine*:&vagrant:!that_one' --inventory-file=#{generated_inventory_dir} --extra-vars=@#{File.expand_path(__FILE__)} --sudo --sudo-user=deployer -vvv --ask-sudo-pass --ask-vault-pass --vault-password-file=#{File.expand_path(__FILE__)} --tags=db,www --skip-tags=foo,bar --start-at-task='an awesome task' --why-not --su-user=foot --ask-su-pass --limit='all' playbook.yml")
         }
       end
     end