diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 9e03eeb..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ddb9b01
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+OS generated files #
+######################
+.vagrant
+.DS_Store
+.DS_Store?
+
diff --git a/.vagrant/machines/router01/virtualbox/action_provision b/.vagrant/machines/router01/virtualbox/action_provision
deleted file mode 100644
index dcd3e03..0000000
--- a/.vagrant/machines/router01/virtualbox/action_provision
+++ /dev/null
@@ -1 +0,0 @@
-1.5:0a2b2a9f-a425-408a-a54b-360476e19cf4
\ No newline at end of file
diff --git a/.vagrant/machines/router01/virtualbox/action_set_name b/.vagrant/machines/router01/virtualbox/action_set_name
deleted file mode 100644
index 240b6bc..0000000
--- a/.vagrant/machines/router01/virtualbox/action_set_name
+++ /dev/null
@@ -1 +0,0 @@
-1522865207
\ No newline at end of file
diff --git a/.vagrant/machines/router01/virtualbox/creator_uid b/.vagrant/machines/router01/virtualbox/creator_uid
deleted file mode 100644
index ec52cb8..0000000
--- a/.vagrant/machines/router01/virtualbox/creator_uid
+++ /dev/null
@@ -1 +0,0 @@
-501
\ No newline at end of file
diff --git a/.vagrant/machines/router01/virtualbox/id b/.vagrant/machines/router01/virtualbox/id
deleted file mode 100644
index 35f404a..0000000
--- a/.vagrant/machines/router01/virtualbox/id
+++ /dev/null
@@ -1 +0,0 @@
-0a2b2a9f-a425-408a-a54b-360476e19cf4
\ No newline at end of file
diff --git a/.vagrant/machines/router01/virtualbox/index_uuid b/.vagrant/machines/router01/virtualbox/index_uuid
deleted file mode 100644
index 798aed7..0000000
--- a/.vagrant/machines/router01/virtualbox/index_uuid
+++ /dev/null
@@ -1 +0,0 @@
-b1cf2ce5c97249f29552d1b2dc8bdce8
\ No newline at end of file
diff --git a/.vagrant/machines/router01/virtualbox/private_key b/.vagrant/machines/router01/virtualbox/private_key
deleted file mode 100644
index 58e2d4b..0000000
--- a/.vagrant/machines/router01/virtualbox/private_key
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
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-Nn9nFKHHIdaJ9tAzzRYXU/Rr4oTZn3QttFS9WaDrG99KlnIou8Jaiw==
------END RSA PRIVATE KEY-----
diff --git a/.vagrant/machines/router01/virtualbox/synced_folders b/.vagrant/machines/router01/virtualbox/synced_folders
deleted file mode 100644
index 9e26dfe..0000000
--- a/.vagrant/machines/router01/virtualbox/synced_folders
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/.vagrant/machines/router01/virtualbox/vagrant_cwd b/.vagrant/machines/router01/virtualbox/vagrant_cwd
deleted file mode 100644
index f5202c4..0000000
--- a/.vagrant/machines/router01/virtualbox/vagrant_cwd
+++ /dev/null
@@ -1 +0,0 @@
-/Users/shrutigandhi/Dropbox/networkinglab470
\ No newline at end of file
diff --git a/.vagrant/machines/router02/virtualbox/action_provision b/.vagrant/machines/router02/virtualbox/action_provision
deleted file mode 100644
index 0e45b0c..0000000
--- a/.vagrant/machines/router02/virtualbox/action_provision
+++ /dev/null
@@ -1 +0,0 @@
-1.5:28c2460d-8878-4a17-b94a-85024278eee5
\ No newline at end of file
diff --git a/.vagrant/machines/router02/virtualbox/action_set_name b/.vagrant/machines/router02/virtualbox/action_set_name
deleted file mode 100644
index 8f18bd1..0000000
--- a/.vagrant/machines/router02/virtualbox/action_set_name
+++ /dev/null
@@ -1 +0,0 @@
-1522865291
\ No newline at end of file
diff --git a/.vagrant/machines/router02/virtualbox/creator_uid b/.vagrant/machines/router02/virtualbox/creator_uid
deleted file mode 100644
index ec52cb8..0000000
--- a/.vagrant/machines/router02/virtualbox/creator_uid
+++ /dev/null
@@ -1 +0,0 @@
-501
\ No newline at end of file
diff --git a/.vagrant/machines/router02/virtualbox/id b/.vagrant/machines/router02/virtualbox/id
deleted file mode 100644
index 195382f..0000000
--- a/.vagrant/machines/router02/virtualbox/id
+++ /dev/null
@@ -1 +0,0 @@
-28c2460d-8878-4a17-b94a-85024278eee5
\ No newline at end of file
diff --git a/.vagrant/machines/router02/virtualbox/index_uuid b/.vagrant/machines/router02/virtualbox/index_uuid
deleted file mode 100644
index c364f9b..0000000
--- a/.vagrant/machines/router02/virtualbox/index_uuid
+++ /dev/null
@@ -1 +0,0 @@
-f6e68ac29d084ab4a45f5f82c080a50c
\ No newline at end of file
diff --git a/.vagrant/machines/router02/virtualbox/private_key b/.vagrant/machines/router02/virtualbox/private_key
deleted file mode 100644
index 0dfbf5a..0000000
--- a/.vagrant/machines/router02/virtualbox/private_key
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
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-JIybMqOTJ/vIVWQawAzw9zY1G2Nj2rWNOZ7rYPrcq0l2lL3YV64CFXJXharEmedH
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-qlvAgbpDL9N6HHMqIs/kit/aUnWCbNMU/ZKUe7SaYnUAxrrXPwWkYg==
------END RSA PRIVATE KEY-----
diff --git a/.vagrant/machines/router02/virtualbox/synced_folders b/.vagrant/machines/router02/virtualbox/synced_folders
deleted file mode 100644
index 9e26dfe..0000000
--- a/.vagrant/machines/router02/virtualbox/synced_folders
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/.vagrant/machines/router02/virtualbox/vagrant_cwd b/.vagrant/machines/router02/virtualbox/vagrant_cwd
deleted file mode 100644
index f5202c4..0000000
--- a/.vagrant/machines/router02/virtualbox/vagrant_cwd
+++ /dev/null
@@ -1 +0,0 @@
-/Users/shrutigandhi/Dropbox/networkinglab470
\ No newline at end of file
diff --git a/.vagrant/machines/router03/virtualbox/action_provision b/.vagrant/machines/router03/virtualbox/action_provision
deleted file mode 100644
index 50c87c8..0000000
--- a/.vagrant/machines/router03/virtualbox/action_provision
+++ /dev/null
@@ -1 +0,0 @@
-1.5:d020817f-c520-4c43-8851-ea43e7806050
\ No newline at end of file
diff --git a/.vagrant/machines/router03/virtualbox/action_set_name b/.vagrant/machines/router03/virtualbox/action_set_name
deleted file mode 100644
index 8c88395..0000000
--- a/.vagrant/machines/router03/virtualbox/action_set_name
+++ /dev/null
@@ -1 +0,0 @@
-1522865249
\ No newline at end of file
diff --git a/.vagrant/machines/router03/virtualbox/creator_uid b/.vagrant/machines/router03/virtualbox/creator_uid
deleted file mode 100644
index ec52cb8..0000000
--- a/.vagrant/machines/router03/virtualbox/creator_uid
+++ /dev/null
@@ -1 +0,0 @@
-501
\ No newline at end of file
diff --git a/.vagrant/machines/router03/virtualbox/id b/.vagrant/machines/router03/virtualbox/id
deleted file mode 100644
index 42344c3..0000000
--- a/.vagrant/machines/router03/virtualbox/id
+++ /dev/null
@@ -1 +0,0 @@
-d020817f-c520-4c43-8851-ea43e7806050
\ No newline at end of file
diff --git a/.vagrant/machines/router03/virtualbox/index_uuid b/.vagrant/machines/router03/virtualbox/index_uuid
deleted file mode 100644
index ca2794a..0000000
--- a/.vagrant/machines/router03/virtualbox/index_uuid
+++ /dev/null
@@ -1 +0,0 @@
-9e88ca6987ee4f19aa909a5119c490cb
\ No newline at end of file
diff --git a/.vagrant/machines/router03/virtualbox/private_key b/.vagrant/machines/router03/virtualbox/private_key
deleted file mode 100644
index 571b013..0000000
--- a/.vagrant/machines/router03/virtualbox/private_key
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
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-rAk0ct9toXxODdzxml/NTBPFolyrMq1oOoZt29xphQvdgb6RXozb
------END RSA PRIVATE KEY-----
diff --git a/.vagrant/machines/router03/virtualbox/synced_folders b/.vagrant/machines/router03/virtualbox/synced_folders
deleted file mode 100644
index 9e26dfe..0000000
--- a/.vagrant/machines/router03/virtualbox/synced_folders
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/.vagrant/machines/router03/virtualbox/vagrant_cwd b/.vagrant/machines/router03/virtualbox/vagrant_cwd
deleted file mode 100644
index f5202c4..0000000
--- a/.vagrant/machines/router03/virtualbox/vagrant_cwd
+++ /dev/null
@@ -1 +0,0 @@
-/Users/shrutigandhi/Dropbox/networkinglab470
\ No newline at end of file
diff --git a/.vagrant/machines/server01/virtualbox/action_provision b/.vagrant/machines/server01/virtualbox/action_provision
deleted file mode 100644
index 70c4d58..0000000
--- a/.vagrant/machines/server01/virtualbox/action_provision
+++ /dev/null
@@ -1 +0,0 @@
-1.5:42c7d248-c135-4f54-9ee5-68b548d5d44f
\ No newline at end of file
diff --git a/.vagrant/machines/server01/virtualbox/action_set_name b/.vagrant/machines/server01/virtualbox/action_set_name
deleted file mode 100644
index 3760677..0000000
--- a/.vagrant/machines/server01/virtualbox/action_set_name
+++ /dev/null
@@ -1 +0,0 @@
-1522865344
\ No newline at end of file
diff --git a/.vagrant/machines/server01/virtualbox/creator_uid b/.vagrant/machines/server01/virtualbox/creator_uid
deleted file mode 100644
index ec52cb8..0000000
--- a/.vagrant/machines/server01/virtualbox/creator_uid
+++ /dev/null
@@ -1 +0,0 @@
-501
\ No newline at end of file
diff --git a/.vagrant/machines/server01/virtualbox/id b/.vagrant/machines/server01/virtualbox/id
deleted file mode 100644
index f811c45..0000000
--- a/.vagrant/machines/server01/virtualbox/id
+++ /dev/null
@@ -1 +0,0 @@
-42c7d248-c135-4f54-9ee5-68b548d5d44f
\ No newline at end of file
diff --git a/.vagrant/machines/server01/virtualbox/index_uuid b/.vagrant/machines/server01/virtualbox/index_uuid
deleted file mode 100644
index 7b27165..0000000
--- a/.vagrant/machines/server01/virtualbox/index_uuid
+++ /dev/null
@@ -1 +0,0 @@
-8badb30bdf354bf6bdfffdd074b426d6
\ No newline at end of file
diff --git a/.vagrant/machines/server01/virtualbox/private_key b/.vagrant/machines/server01/virtualbox/private_key
deleted file mode 100644
index 3c9df09..0000000
--- a/.vagrant/machines/server01/virtualbox/private_key
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
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-2AXjp0OKv6rXKJoPAu4YTTbLeqCbw349w+OdmlPSrbS9I9E7XdiE
------END RSA PRIVATE KEY-----
diff --git a/.vagrant/machines/server01/virtualbox/synced_folders b/.vagrant/machines/server01/virtualbox/synced_folders
deleted file mode 100644
index 9e26dfe..0000000
--- a/.vagrant/machines/server01/virtualbox/synced_folders
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/.vagrant/machines/server01/virtualbox/vagrant_cwd b/.vagrant/machines/server01/virtualbox/vagrant_cwd
deleted file mode 100644
index f5202c4..0000000
--- a/.vagrant/machines/server01/virtualbox/vagrant_cwd
+++ /dev/null
@@ -1 +0,0 @@
-/Users/shrutigandhi/Dropbox/networkinglab470
\ No newline at end of file
diff --git a/.vagrant/machines/server02/virtualbox/action_provision b/.vagrant/machines/server02/virtualbox/action_provision
deleted file mode 100644
index 09a90fc..0000000
--- a/.vagrant/machines/server02/virtualbox/action_provision
+++ /dev/null
@@ -1 +0,0 @@
-1.5:3e647632-85c4-491e-9430-317d2f9f17e4
\ No newline at end of file
diff --git a/.vagrant/machines/server02/virtualbox/action_set_name b/.vagrant/machines/server02/virtualbox/action_set_name
deleted file mode 100644
index 85eb6b7..0000000
--- a/.vagrant/machines/server02/virtualbox/action_set_name
+++ /dev/null
@@ -1 +0,0 @@
-1522865399
\ No newline at end of file
diff --git a/.vagrant/machines/server02/virtualbox/creator_uid b/.vagrant/machines/server02/virtualbox/creator_uid
deleted file mode 100644
index ec52cb8..0000000
--- a/.vagrant/machines/server02/virtualbox/creator_uid
+++ /dev/null
@@ -1 +0,0 @@
-501
\ No newline at end of file
diff --git a/.vagrant/machines/server02/virtualbox/id b/.vagrant/machines/server02/virtualbox/id
deleted file mode 100644
index 9f123b1..0000000
--- a/.vagrant/machines/server02/virtualbox/id
+++ /dev/null
@@ -1 +0,0 @@
-3e647632-85c4-491e-9430-317d2f9f17e4
\ No newline at end of file
diff --git a/.vagrant/machines/server02/virtualbox/index_uuid b/.vagrant/machines/server02/virtualbox/index_uuid
deleted file mode 100644
index c093b56..0000000
--- a/.vagrant/machines/server02/virtualbox/index_uuid
+++ /dev/null
@@ -1 +0,0 @@
-2a65fc4c33ec4a62b6dda01c842d6b2f
\ No newline at end of file
diff --git a/.vagrant/machines/server02/virtualbox/private_key b/.vagrant/machines/server02/virtualbox/private_key
deleted file mode 100644
index fc73cb5..0000000
--- a/.vagrant/machines/server02/virtualbox/private_key
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
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-mdw31dYW8lPbQIggiJha89kYJhSgj2EqcPEOoAh/Roue+RnuM+AY7Q==
------END RSA PRIVATE KEY-----
diff --git a/.vagrant/machines/server02/virtualbox/synced_folders b/.vagrant/machines/server02/virtualbox/synced_folders
deleted file mode 100644
index 9e26dfe..0000000
--- a/.vagrant/machines/server02/virtualbox/synced_folders
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/.vagrant/machines/server02/virtualbox/vagrant_cwd b/.vagrant/machines/server02/virtualbox/vagrant_cwd
deleted file mode 100644
index f5202c4..0000000
--- a/.vagrant/machines/server02/virtualbox/vagrant_cwd
+++ /dev/null
@@ -1 +0,0 @@
-/Users/shrutigandhi/Dropbox/networkinglab470
\ No newline at end of file