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Education Technology & Innovations » GSD Technology Infrastructure

GSD Technology Infrastructure

­­­­Garvey Elementary School District’s Technology Infrastructure

 

Current Status: As of Janary 31, 2018

 

 

Network infrastructure & telecommunication

 

The District currently has eight elementary (K-6) schools (Bitely, Dewey, Emerson, Hillcrest, Monterey Vista, Rice, Sanchez, and Willard), two intermediate (7-8) schools (Garvey and Temple) and two headstart facilities (Duff and Williams). Except Sanchez and Temple, which share a main distribution facility (MDF or “phone room”), each school and headstart facility has a MDF and different number of IDFs (intermediate distribution facility) in place.

 

The current district network spans 13 locations within the district and encompasses more than two thousands nodes throughout the district. The fiber local area network (LAN) provides 1 Gbps or 1,000 Mbps bandwidth for all the schools except Duff and Williams, both of which runs at 10 Mbps

 

District's core switch is Cisco 6509 where all the schools Internet connection is routed.  From the core switch, all school traffic is routed to Internet via 10 Gbps connection through CENIC while District Office traffic goes out via 100 Mbps connection through JPL.  Cisco 3845 router provides routing for JPL side and Cisco ME 3600 does the routing for Schools' Internet connection.  

 

Security is provided by a Cisco ASA 5550 Firewall appliance, which is currently configured to filter inbound traffic in conjunction with a Lightspeed Systems’ Rocket appliance, which filters/blocks web sites for students in compliance with CIPA. The ASA 5550 is being replaced by Cisco Firepower 4110.

 

The make-up of each remote school site consists mainly of Catalyst 3560, 3750 and 2960x access layer POE switches all aggregating into a Catalyst 3750 core switch or at the two intermediate schools, Cisco Catalyst 4506, via fiber runs from each IDF over the campus fiber backbone.

 

Cisco

6509

4506

3750/12

3750/24

3750/48

3560/24

3560/48

3650/24

2960/24

2960/48

ME3600

Total

DO

1

     

2

 

1

   

3

2

9

Bitely

   

1

 

1

2

4

   

3

1

12

Dewey

   

1

1

   

2

 

1

2

1

8

Duff

   

1

 

1

     

2

   

4

Emerson

   

1

 

3

 

3

 

1

1

1

10

Gavey

 

1

 

1

 

3

2

   

2

1

10

Hillcrest

   

1

1

   

2

   

2

1

7

M. Vista

   

1

 

1

 

3

 

1

1

1

8

Rice

   

1

1

 

1

4

 

2

1

1

11

Sanchez

         

3

3

 

3

   

9

Temple

 

1

     

1

5

     

1

8

Willard

   

1

 

2

 

3

   

1

1

8

Williams

   

1

       

1

1

4

 

7

Subtotal

1

2

9

4

10

10

32

1

11

20

11

111

*Four more switched to be deployed: (1) 2960/48, (2) 3560/24, (2) 3560/48 and (1) 3750/48

 

Internetworking Operating System (IOS) versions are almost standardized throughout the enterprise network. Most, if not all, the 3750 and 3560 switches are running IOS version 12.2(55) and 2960X switches are running 15.0 or 15.2.  We will upgrade all 2960X switches to 15.2(2) version which is a golden image for them.

 

In addition, more than three hundred Aerohive access points (APs), made of mostly models 250 (wave 2) and 330, make up a district-wide wireless network. There are small numbers of models 230, 550 and one (1) 370 and ten (10) outdoor APs (model 1130). The Aerohive APs require no controller and may be managed by a web-based Hive Manager. Currently we are replacing Aerohive 330/370 with Aerohive 250 (wave 2) and eventually we will retire all Model 370.  

 

All Public Switched Telephone Network (PSTN) access is aggregated and terminated into the “phone room” at DO. Two (2) Primary Rate ISDN circuits provide up to 48 concurrent outbound calling sessions to the outside PSTN. All 4-digit dialing within district network is handled through the district WAN. These phone calls transverse the WAN link and exit through the PRI’s. All school sites have local analog trunks that provide analog redundancy and 911 services in case of an emergency.

 

Currently the District has deployed a Mitel TDM voice solution for call connectivity to the entire district. The Mitel voice solution is segregated from the data LAN. The MITEL key system utilizes the data network when it transverses the WAN for inter-enterprise 4-digit dialing. MITEL peripheral nodes enable the traditional TDM switch to packetize the voice to be sent across the WAN to other remote sites and DO.  Paging is built in the Mitel phone system.

 

The Mitel equipment includes: 12 (one in each school MDF) 3300 ASU, 13 (one for each MDF) 3300 MXe III controllers, one Universal ASU and one Universal NSU in MDF at DO, 49 DNIC line cards, 28 LS/GS trunk cards, two ONS line cards and 13 peripheral nodes. They are supported by one Alpha 2500 UPS and 12 Alpha CFR 1000 UPS. At the end user side, we have used only a limited number of IP phones although the new purchase is likely IP phones. Most of the more than 600 phone sets are Mitel Superset 4015 and 4025 instead; they connect through RJ11 jacks on the wall. Upgrading the10-year-old Mitel equipment of the District’s Private Branch Exchange (PBX) has been in planning.

 

 

Areas of Need

 

To enhance the network infrastructure and server-based services, the District needs to: 

 

  • Keep upgrading the hardware of the district-wide wireless network;
  • Upgrade fiber core switches;
  • Add a cache server if determined needed;
  • Plan and prepare for implementation of a unified wired/wireless and voice/data communication system.

 

 

 

 

 

 

 

 

 

 

 


 

Basic Maintenance for Internal Connection

 

Eligible C2 Equipment/Facility Inventory

 

Model

Qty

DO

BI

DE

EM

GA

HI

MV

RI

SA

TE

WD

DU

WI

JPL

Legend/Comment

Cisco router 3845

2

1

                       

1

DO: District Office

Cisco 6509 + 10GB blade

1

1

                         

BI: Bitely ES

Cisco 4506

2

       

1

       

1

       

DE: Dewey ES

Cisco 3750/core x 12

9

 

1

1

1

 

1

1

1

   

1

1

   

EM: Emerson ES

Cisco 3650/core x 24

1

                       

1

 

GA: Garvey IS

Cisco 3750/24

4

   

1

 

1

1

 

1

           

Hi: Hillcrest ES

Cisco 3750/48

10

2

1

 

3

   

1

     

2

1

   

MV: M.Vista ES

Cisco 3560/24

10

 

2

   

3

   

1

3

1

       

RI: Rice ES

Cisco 3560/48

32

1

4

2

3

2

2

3

4

3

5

3

     

SA: Sanchez ES

Cisco 2960/24

11

   

1

1

   

1

2

3

   

2

1

 

TE: Temple IS

Cisco 2960/48

20

3

3

2

1

2

2

1

1

   

1

 

4

 

DU: Duff HeadS

Cisco ME3600

11

2

1

1

1

1

1

1

1

 

1

1

     

WI: Williams HeadS

Alpha CFR 2500

1

1

                         

JPL

Alpha CFR 1000

7

 

1

1

1

 

1

1

1

     

1

     

Alpha AliPlus 1000L

4

       

1

       

1

1

 

1

   

TrippLite SU8000RT

1

1

                           

Tripplite SU6000RT

2

       

1

       

1

         

Eaton SPX 2200 VA

10

2

1

1

1

 

1

1

1

     

1

1

   

Aerohive AP 370

1

1

                           

Aerohive AP 330

230

6

21

12

19

16

14

15

15

16

16

20

5

18

 

37 spare

Aerohive AP 230

28

1

5

2

3

8

1

 

2

2

2

1

 

1

   

Aerohive AP 250 Wave 2

90

 

9

7

9

12

9

9

12

5

11

6

     

1 to be deployed

Aerohive AP 250 Wave 2

100

1

1

   

10

     

1

 

4

     

83 to be deployed

Aerohive AP 550 Wave 2

30

2

1

 

1

                   

25 to be deployed

Aerohive AP1130 outdoor

10

1

1

   

3

1

     

2

   

1

 

1 to be deployed

Cabling x 2594 drops

                               

Kendall Howard 4 Pole rack

3

1

1

             

1

         

4 Pole rack

10

1

1

1

1

1

1

1

1

   

1

 

1