diff --git a/device-types/Extreme Networks/5720-24MW.yaml b/device-types/Extreme Networks/5720-24MW.yaml
new file mode 100644
index 0000000000..012e9427c0
--- /dev/null
+++ b/device-types/Extreme Networks/5720-24MW.yaml	
@@ -0,0 +1,127 @@
+---
+manufacturer: Extreme Networks
+model: 5720-24MW
+slug: extreme-networks-5720-24mw
+part_number: 5720-24MW
+u_height: 1
+is_full_depth: true
+weight: 8.05
+weight_unit: kg
+airflow: front-to-rear
+module-bays:
+  - name: PS#1
+    position: '1'
+  - name: PS#2
+    position: '2'
+  - name: VIM
+console-ports:
+  - name: Console
+    type: rj-45
+  - name: USB console
+    type: usb-micro-b
+interfaces:
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '2'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '3'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '4'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '5'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '6'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '7'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '8'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '9'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '10'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '11'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '12'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '13'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '14'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '15'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '16'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '17'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '18'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '19'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '20'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '21'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '22'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '23'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '24'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: U1
+    type: 100gbase-x-qsfp28
+    description: Can be used for stacking or as various speed normal interfaces
+  - name: U2
+    type: 100gbase-x-qsfp28
+    description: Can be used for stacking or as various speed normal interfaces
diff --git a/device-types/Extreme Networks/5720-24MXW.yaml b/device-types/Extreme Networks/5720-24MXW.yaml
new file mode 100644
index 0000000000..7f02b701a1
--- /dev/null
+++ b/device-types/Extreme Networks/5720-24MXW.yaml	
@@ -0,0 +1,127 @@
+---
+manufacturer: Extreme Networks
+model: 5720-24MXW
+slug: extreme-networks-5720-24mxw
+part_number: 5720-24MXW
+u_height: 1
+is_full_depth: true
+weight: 8.05
+weight_unit: kg
+airflow: front-to-rear
+module-bays:
+  - name: PS#1
+    position: '1'
+  - name: PS#2
+    position: '2'
+  - name: VIM
+console-ports:
+  - name: Console
+    type: rj-45
+  - name: USB console
+    type: usb-micro-b
+interfaces:
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '2'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '3'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '4'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '5'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '6'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '7'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '8'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '9'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '10'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '11'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '12'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '13'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '14'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '15'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '16'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '17'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '18'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '19'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '20'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '21'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '22'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '23'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '24'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: U1
+    type: 100gbase-x-qsfp28
+    description: Can be used for stacking or as various speed normal interfaces
+  - name: U2
+    type: 100gbase-x-qsfp28
+    description: Can be used for stacking or as various speed normal interfaces
diff --git a/device-types/Extreme Networks/5720-48MW.yaml b/device-types/Extreme Networks/5720-48MW.yaml
new file mode 100644
index 0000000000..38fc167b63
--- /dev/null
+++ b/device-types/Extreme Networks/5720-48MW.yaml	
@@ -0,0 +1,222 @@
+---
+manufacturer: Extreme Networks
+model: 5720-48MW
+slug: extreme-networks-5720-48mw
+part_number: 5720-48MW
+u_height: 1
+is_full_depth: true
+weight: 8.55
+weight_unit: kg
+airflow: front-to-rear
+module-bays:
+  - name: PS#1
+    position: '1'
+  - name: PS#2
+    position: '2'
+console-ports:
+  - name: Console
+    type: rj-45
+  - name: USB console
+    type: usb-micro-b
+interfaces:
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '2'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '3'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '4'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '5'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '6'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '7'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '8'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '9'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '10'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '11'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '12'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '13'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '14'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '15'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '16'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '17'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '18'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '19'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '20'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '21'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '22'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '23'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '24'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '25'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '26'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '27'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '28'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '29'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '30'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '31'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '32'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '33'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '34'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '35'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '36'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '37'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '38'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '39'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '40'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '41'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '42'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '43'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '44'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '45'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '46'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '47'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '48'
+    type: 5gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: U1
+    type: 100gbase-x-qsfp28
+    description: Can be used for stacking or as various speed normal interfaces
+  - name: U2
+    type: 100gbase-x-qsfp28
+    description: Can be used for stacking or as various speed normal interfaces
diff --git a/device-types/Extreme Networks/5720-48MXW.yaml b/device-types/Extreme Networks/5720-48MXW.yaml
new file mode 100644
index 0000000000..cadd65f781
--- /dev/null
+++ b/device-types/Extreme Networks/5720-48MXW.yaml	
@@ -0,0 +1,222 @@
+---
+manufacturer: Extreme Networks
+model: 5720-48MXW
+slug: extreme-networks-5720-48mxw
+part_number: 5720-48MXW
+u_height: 1
+is_full_depth: true
+weight: 8.55
+weight_unit: kg
+airflow: front-to-rear
+module-bays:
+  - name: PS#1
+    position: '1'
+  - name: PS#2
+    position: '2'
+console-ports:
+  - name: Console
+    type: rj-45
+  - name: USB console
+    type: usb-micro-b
+interfaces:
+  - name: Mgmt
+    type: 1000base-t
+    mgmt_only: true
+  - name: '1'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '2'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '3'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '4'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '5'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '6'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '7'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '8'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '9'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '10'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '11'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '12'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '13'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '14'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '15'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '16'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '17'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '18'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '19'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '20'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '21'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '22'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '23'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '24'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '25'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '26'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '27'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '28'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '29'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '30'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '31'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '32'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '33'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '34'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '35'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '36'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '37'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '38'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '39'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '40'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '41'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '42'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '43'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '44'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '45'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '46'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '47'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: '48'
+    type: 10gbase-t
+    poe_mode: pse
+    poe_type: type4-ieee802.3bt
+  - name: U1
+    type: 100gbase-x-qsfp28
+    description: Can be used for stacking or as various speed normal interfaces
+  - name: U2
+    type: 100gbase-x-qsfp28
+    description: Can be used for stacking or as various speed normal interfaces
diff --git a/module-types/Extreme Networks/5720-VIM-2CE.yaml b/module-types/Extreme Networks/5720-VIM-2CE.yaml
new file mode 100644
index 0000000000..a373330ac4
--- /dev/null
+++ b/module-types/Extreme Networks/5720-VIM-2CE.yaml	
@@ -0,0 +1,10 @@
+---
+manufacturer: Extreme Networks
+model: 5720-VIM-2CE
+part_number: 5720-VIM-2CE
+comments: 2x 100Gbase-X QSFP28 ports (unpopulated)
+interfaces:
+  - name: VIM1
+    type: 100gbase-x-qsfp28
+  - name: VIM2
+    type: 100gbase-x-qsfp28
diff --git a/module-types/Extreme Networks/5720-VIM-6YE.yaml b/module-types/Extreme Networks/5720-VIM-6YE.yaml
new file mode 100644
index 0000000000..922e23a9fb
--- /dev/null
+++ b/module-types/Extreme Networks/5720-VIM-6YE.yaml	
@@ -0,0 +1,18 @@
+---
+manufacturer: Extreme Networks
+model: 5720-VIM-6YE
+part_number: 5720-VIM-6YE
+comments: 6x 1/10/25Gbase-X SFP28 ports (unpopulated)
+interfaces:
+  - name: VIM1
+    type: 25gbase-x-sfp28
+  - name: VIM2
+    type: 25gbase-x-sfp28
+  - name: VIM3
+    type: 25gbase-x-sfp28
+  - name: VIM4
+    type: 25gbase-x-sfp28
+  - name: VIM5
+    type: 25gbase-x-sfp28
+  - name: VIM6
+    type: 25gbase-x-sfp28