diff --git a/README.md b/README.md
index bda1675..877bbb0 100644
--- a/README.md
+++ b/README.md
@@ -97,8 +97,9 @@ This provider exposes quite a few provider-specific configuration options:
 * `connect_via_ssh` - If use ssh tunnel to connect to Libvirt.
 * `username` - Username and password to access Libvirt.
 * `password` - Password to access Libvirt.
-* `storage_pool_name` - Libvirt storage pool name, where box image and
-  instance snapshots will be stored.
+* `id_ssh_key_file` - The id ssh key file name to access Libvirt (eg: id_dsa or id_rsa or ... in the user .ssh directory)
+* `storage_pool_name` - Libvirt storage pool name, where box image and instance snapshots will be stored.
+* `default_network` - Libvirt default network name. If not specified default network name is 'default'.
 
 ### Domain Specific Options
 
diff --git a/lib/vagrant-libvirt/action/connect_libvirt.rb b/lib/vagrant-libvirt/action/connect_libvirt.rb
index 1f089de..20f2cbc 100644
--- a/lib/vagrant-libvirt/action/connect_libvirt.rb
+++ b/lib/vagrant-libvirt/action/connect_libvirt.rb
@@ -53,9 +53,12 @@ module VagrantPlugins
 
           uri << virt_path
           uri << '?no_verify=1'
-          # set ssh key for access to libvirt host
-          home_dir = `echo ${HOME}`.chomp
-          uri << "&keyfile=#{home_dir}/.ssh/id_rsa"
+
+          if config.id_ssh_key_file
+            # set ssh key for access to libvirt host
+            home_dir = `echo ${HOME}`.chomp
+            uri << "&keyfile=#{home_dir}/.ssh/"+config.id_ssh_key_file
+          end
 
           conn_attr = {}
           conn_attr[:provider] = 'libvirt'
diff --git a/lib/vagrant-libvirt/action/create_network_interfaces.rb b/lib/vagrant-libvirt/action/create_network_interfaces.rb
index cae02cf..3f51b41 100644
--- a/lib/vagrant-libvirt/action/create_network_interfaces.rb
+++ b/lib/vagrant-libvirt/action/create_network_interfaces.rb
@@ -16,6 +16,7 @@ module VagrantPlugins
 
         def initialize(app, env)
           @logger = Log4r::Logger.new('vagrant_libvirt::action::create_network_interfaces')
+          @default_network = env[:machine].provider_config.default_network;
           @app = app
         end
 
@@ -151,7 +152,7 @@ module VagrantPlugins
           end
 
           # TODO Network default can be missing or named different.
-          return 'default'
+          return @default_network;
         end
       end
     end
diff --git a/lib/vagrant-libvirt/config.rb b/lib/vagrant-libvirt/config.rb
index 166c833..71e426d 100644
--- a/lib/vagrant-libvirt/config.rb
+++ b/lib/vagrant-libvirt/config.rb
@@ -18,10 +18,16 @@ module VagrantPlugins
       # Password for Libvirt connection.
       attr_accessor :password
 
+      # ID SSH key file
+      attr_accessor :id_ssh_key_file
+
       # Libvirt storage pool name, where box image and instance snapshots will
       # be stored.
       attr_accessor :storage_pool_name
 
+      # Libvirt default network
+      attr_accessor :default_network
+
       # Domain specific settings used while creating new domain.
       attr_accessor :memory
       attr_accessor :cpus
@@ -34,7 +40,9 @@ module VagrantPlugins
         @connect_via_ssh   = UNSET_VALUE
         @username          = UNSET_VALUE
         @password          = UNSET_VALUE
+        @id_ssh_key_file   = UNSET_VALUE
         @storage_pool_name = UNSET_VALUE
+        @default_network   = UNSET_VALUE
 
         # Domain specific settings.
         @memory            = UNSET_VALUE
@@ -49,7 +57,9 @@ module VagrantPlugins
         @connect_via_ssh = false if @connect_via_ssh == UNSET_VALUE
         @username = nil if @username == UNSET_VALUE
         @password = nil if @password == UNSET_VALUE
+        @id_ssh_key_file = nil if @id_ssh_key_file == UNSET_VALUE
         @storage_pool_name = 'default' if @storage_pool_name == UNSET_VALUE
+        @default_network = 'default' if @default_network == UNSET_VALUE
 
         # Domain specific settings.
         @memory = 512 if @memory == UNSET_VALUE