SANReN National Network CSIRUnisa WITS Reef Head Shark Head Bell Head CHPC Durban Johannesburg...

SANReN National Network

CSIRUnisa

WITSReefHead

SharkHead

BellHeadCHPC

Durban

Johannesburg

Pretoria

Cape Town

National 10Gbps WDM

SANReN 40Gbps WDM

BreeHead

IS International BW: 2x STM-1

SEACOMInternational BW: STM-64

BeachHead

IS International BW: 1x STM-1

SANReN Pretoria

SANReN Pretoria

Unisa Main (λ2)

TUT Main (λ3)

CSIR

UP Main (λ1)

UP Mamelodi

UP Onderstepoort

UL Medunsa

UP Medical

Nat. Library

Unisa Sunnyside

UP Groenkloof

UP Sport

Johannesburg

Durban

SANReN 30Gbps WDM Ring

SANReN 40Gbps

WDM

SANReN 10Gbps WDM Link to National

National 10Gbps WDM

SANReN 10Gbps local (grey) ring #1

Pair 1Pair 2

SACSANReN 10Gbps managed link to HartRAO/SAC (Telkom)

Cisco 4924

Cisco ONS

Cisco WXC

National

NRF LaserCentre

Grey ring #2

SANReN Pretoria • 30 Gbps DWDM ring connecting:

– CSIR (Primary Core)– Unisa Main (Secondary Core)– UP Main (Primary client site)– TUT Main (Primary client site)

• 10 Gbps Grey ring #1 connecting secondary client sites– 5x UP– 1x Unisa – 3x TUT – 1x UL – Other TENET sites

• 10 Gbps Grey ring #2 connecting CSIR campus sites– NRF– National Laser Centre

• 10 Gbps link to SAC (Hartbeeshoek): Telkom link• 10 Gbps link for CSIR• 10 Gbps link for CHPC C4 supercomputer• 40 Gbps DWDM link to Johannesburg• 10 Gbps DWDM link to Durban (National core provider)• 10 Gbps PE-PE link

Pretoria CSIR

Cisco WXC λ7

E

WDM Ring Shelf 2 (South)WDM Ring Shelf 1 (North)WDM Link to WITS

Shelf 3 (East)

10 Gbps Grey

Ring #1

40 Channel WDM Filter

WDM Link to Durban

Shelf 4

λ6E

λ8E

λ9E

λ1S

λ1N

λ2S

λ5S

λ6S

λ7S

10Gbps SAC

10Gbps CSIR

P1

Xponders 1-3 WSX East WSX West

Cisco 7609

CiscoCRS-1

λ3S

λ2N

λ3N

8-10GBE

WDM Ring protection from

Unisa 7609

Grey ring protection from Unisa 7609

WSX South

λ3

PE-Core Link

Durban National Link

6708

10 Gbps Grey Ring #2

10Gbps C4

λ4S

P2 P5 P6

P1 P2 P5 P6 P1 P2 P5 P6

6708#16708#3 6708#4

P1 P2

P1 P2

ES20#1ES20#2

P1 P2 P5 P6 P1 P2 P5 P6

P1 P2 P3 P4 P1 P2 P3 P4 P1 P2 P3 P4

8-10GBE#1 8-10GBE#2RODAN#1 RODAN#2 RODAN#3

λ1W

λ2λ1 WDM Link to Johannesburg

Line to DurbanLine to WitsLine to UnisaLine to UP

1 3 5 7 9 10 11 12 13 14 15

19 20 21 2218

24 25 26 27 28 29 30 31 32 33

λ8S

λ8N

P1 P2 P5 P66708#2 ES20#1

10 Gbps 4924

PE-PE

link

16 17

23

1. λ1 (UP traffic)3. λ2 (Unisa traffic)5. λ3 (TUT traffic)7. PE-PE Link9-11. WDM ring traffic from backup 7609

at Unisa in case CSIR 7609 fails12. Grey ring#1 traffic from backup 7609

at Unisa in case CSIR 7609 fails13-16. WDM link to Johannesburg

(Reefhead)17. WDM link to Durban (National)18. C4 link

19. CSIR link20. Link to 4924 for 1Gbps connections21. SAC link (Telkom)22. Grey ring #1 West23. Grey ring #2 West24. Grey ring #1 traffic PE-Core (7609-CRS)25. Grey ring #2 traffic PE-Core 26. λ1 (UP) traffic PE-Core27. λ2 (Unisa) traffic PE-Core28. λ3 (TUT) traffic PE-Core29. C4 traffic PE-Core30. CSIR traffic PE-Core31. SAC traffic PE-Core32. Grey ring #1 East33. Grey ring #2 East

CSIR Connections

Pretoria CSIR

• Cisco 7609 PE Router– 2x dual port ES20 10 Gbps cards

• 4 ports for Grey rings #1 & #2– 4x octal 6708 cards

• 8 ports for PE-CRS traffic• 3 ports for DWDM ring (3 East, 3 West)• 1 port for C4 link• 1 port for SAC link (Telkom)• 1 port for CSIR traffic• 1 port for PE-PE link• 1 port to 4924 for 1Gbps connections

• Cisco CRS-1 Core Router– 2x 8-10GBE cards

• 8 ports for PE-CRS traffic– 3x RODAN cards with coloured optics

• 3 ports for traffic from backup 7609 at Unisa• 4 ports for DWDM link to Johannesburg• 1 port for Grey ring traffic from backup 7609 at Unisa• 1 port for DWDM link to Durban

Pretoria CSIR

• Cisco WXC wavelength cross-connect– 4x dual port Xponder cards – Because of Xponder Layer2

functionality, only one tributary port per ring is required– 3 ports for DWDM ring (λ1-λ3)– 1 port PE-PE link (λ8)

– 9 Ports on wavelength cross connect (WSX)– 4 ports for backup traffic from Unisa 7609 (λ4S-λ7S)– 4 ports for DWDM link to Johannesburg (λ6E-λ9E)– 1 port for DWDM link to Durban (λ1W)

Pretoria Unisa

Cisco ONS

10 Gbps Grey Ring


λ1W

10Gbps Unisa

Xponders 1-6

Cisco 7609

GreyRingtrafficto CRS

Shelf 1

Line to CSIR Line to TUT

λ1E

λ2W

λ2E

λ3W

λ3E

λ4E

λ5E

λ6E

λ7E

P1 P2 P5 P66708#1

P1 P2 P5 P66708#2

P1 P2 P1 P2ES20#1 ES20#2

WDM Ring protection

to CRS

λ3λ2λ1

λ8W

λ8E

PE-PElink

Pretoria Unisa

• Cisco 7609 PE Router– 2x octal port 6708 cards

• 3 ports for DWDM ring traffic• 3 ports for WDM ring traffic backup to CRS (in case CSIR 7609 fails)• 1 port for Grey ring backup to CRS• 1 port for PE-PE link

– 2x dual port ES20 cards• 2 ports for Grey ring• 1 port for Unisa traffic

• Cisco ONS DWDM node– 5x dual port Xponder cards

• 3 ports (3 cards) for DWDM ring traffic• 4 ports (2 cards) for backup traffic to CRS• 1 port (1 card) for PE-PE link

Pretoria UP

Cisco ONS

UP Network

32 Channel WDM Filterλ1

Wλ1E

Shelf 1

Line to CSIR Line to Unisa via TUT

Pretoria TUT

Cisco ONS

TUT Network


λ3W

λ3E

Shelf 1

Line to Unisa Line to CSIR via UP

National Provider PoP Pretoria

SANReN Cisco 15454 ONS

λ1 xPponder 1

TUT Firewall

40 Channel WDM Mux/Demux

National Provider WDM Terminal

λ1

Transponder X

WDM Link to Durban

Shelf 1

Line to CSIR

Scenario 1

Pretoria fibre at Wits

SANReN Johannesburg

2x Ubuntunet 1Gbps

SANReN Johannesburg

WITS Main (λ1)

Pretoria CSIR

National

Cape Town CHPC

UJ Kingsway (λ2)

JINX 1GbpsIS 10Gbps

Reefhead CSIR MiningCSIR Services

WITS Med

SANReN 10Gbpslocal (grey) ring

SANReN 30Gbps DWDM Ring

SANReN 40GbpsDWDM

Cisco 4924

Cisco ONS

Cisco WXC

SANReN 10Gbps DWDM Link to National

WITS Bus

UJ Bunting

UJ DoornWITS Edu

Neotel 1Gbps

Scenario 1: Pretoria fibre at Wits

HartRAOTelkom 10 Gbps (λ10)

SANReN Johannesburg • 30 Gbps DWDM ring connecting:

– Reefhead (Primary Core)– Wits Main (Secondary Core)– UJ Kingsway (primary client site)

• 10 Gbps connection to HartRAO (Telkom)• 10 Gbps Grey ring connecting secondary client sites

– 3 Wits– 2 UJ – 2 CSIR

• 40 Gbps DWDM link to Pretoria (CSIR)• 10 Gbps DWDM link to Cape Town (National core provider)• 10 Gbps connection to IS • 1 Gbps connections at Reefhead

– 2x Ubuntunet– 1x Neotel– 1x Jinx

1Gbps Neotel

Johannesburg Reef Head

Cisco WXC

10 Gbps Grey Ring 10Gbps IS

1Gbps JINX

6708#2Cisco 7609 Cisco CRS-1

P1

6708#3

WDM ring protection from Wits 7609

Grey ring traffic from Wits 7609

Link to Cape Town

λ1

PE-Core Link

PE-Core Link

WS 6724

1Gbps Ubuntunet1Gbps Ubuntunet


Link to HartRAO (Wits)

7200

WDM Ring Shelf 1 (East)1

λ1W

λ1E

λ2W

λ2E

λ10W

λ10E

Xponders 1-4

WDM Ring Shelf 2 (West)

λ3W

λ4W

λ5W

λ1S

WDM To Cape Town

Shelf 3 (South)

λ6W

λ7W

λ8W

λ9W

P2 P5 P66708#2 6708#2

P1 P2 P5 P66708#1 6708#2

P1 P2 P1 P2ES20#2 ES20#1

P1 P2 P5 P66708#3

P1 P2 P3 P4 P5 P6 P7 P8WS6724

6708#2

P1 P2 P3 P48-10GBE#1

P1 P2 P3 P48-10GBE#2

P1 P2 P3 P4RODAN#1

P1 P2 P3 P4RODAN#2

λ2

Link to Pretoria

1 3 5 7 8 9 2710 11 12 13

14 15 16 17 18 19 20

21 22 23 24 25 26

WSX ports 3-9

Line to UJLine to Wits Line to Cape Town

λ11W

λ11E

28

PE-PE

1. λ1 (Wits traffic)3. λ2 (UJ Traffic)5. λ10 (HartRAO traffic)7-8. WDM ring traffic from backup 7609 at

Wits in case Reefhead 7609 fails9. Grey ring traffic from backup 7609 at

Wits in case Reefhead 7609 fails10-13. WDM link to Pretoria (CSIR)14. Connection to TENET 7200 router15. λ1 (Unisa) traffic PE-Core (7609-CRS)16. λ2 (UJ) traffic PE-Core17. Grey ring traffic PE-Core

18. Grey ring West (NDF)19. Internet Solutions Peering20. Grey ring East (CSIR Mining)21. IS peering traffic PE-Core22. Other traffic PE-Core (International,

JINX, Neotel)23. Link#1 to UbuntuNet router for

International24. Link#2 to UbuntuNet router for

International25. JINX Peering26. Neotel GEN3 link27. WDM link to Cape Town (National)28. Layer 3 PE-PE link

Reefhead Connections

Johannesburg Reefhead • Cisco 7609 PE Router

– 2x dual port ES20 10 Gbps cards• 2 ports for Grey ring• 1 port for IS peering link

– 3x octal 6708 cards• 5 ports for PE-CRS traffic• 2 ports for DWDM ring (2 East, 2 West)• 1 port for PE-PE ring

– 1x octal WS6724 1Gbps Card• 2 ports for UbuntuNet links (International traffic)• 1 port for Johannesburg Internet Exchange link (JINX)• 1 port for Neotel Link (TENET GEN3)

• Cisco CRS-1 Core Router– 2x octal 8-10GBE cards

• 5 ports for PE-CRS traffic• 1 port for Link to HartRAO (via Wits)

– 2x quad RODAN cards with coloured optics• 2 ports for WDM traffic from backup 7609 at Wits• 1 port for Grey ring traffic from backup 7609 at Wits• 4 ports for DWDM link to Pretoria (CSIR)• 1 port for DWDM link to Cape Town

Johannesburg Reefhead

• Cisco ONS Wavelength Cross-Connect– 4x dual port Xponder cards: Because of Xponder Layer2 functionality,

only one tributary port per ring is required• 2 ports for DWDM ring (λ1-λ2)• 1 port for HartRAO link (via Wits: λ10)• 1 port for PE-PE ring (λ11)

– 8 Ports on wavelength cross connect• 2 ports for WDM ring backup traffic from 7609 (λ3W-λ4W)• 1 port for Grey ring traffic backup from 7609 (λ5W)• 4 ports for DWDM link to Pretoria (λ6W-λ9W)• 1 port for DWDM link to Cape Town (λ1E)

Johannesburg Wits

Cisco WXC

WDM Ring West (Shelf 2)

10 Gbps Grey Ring


λ1W

10Gbps WITS

P1Cisco 7609

WDM ring protection to CRS

Greyringprotectionto CRS


10Gbps HartRAO (Telkom)

Xponders 1-4

HartRAO-Reefhead

λ1E

λ2W

λ2E

λ10W

λ10E

λ3E

λ4E

λ5E

WDM Ring East (Shelf 1)

Xponders 5-6

P2 P5 P66708#2

P1 P2 P5 P66708#1

P1 P2 P1 P2ES20#1

λ1 λ2

Line to UJ Line to Reefhead

ES20#2

λ11W

λ11E

PE-PE


λ6S

λ7S

λ8S

λ9S

WDM Ring South (Shelf 3)

Optical pass-though to Reefhead

Line to Pretoria

Johannesburg WITS • Cisco 7609 PE Router

– 2x octal port 6708 cards• 2 ports for DWDM ring traffic• 3 ports for backup traffic to CRS (in case Reefhead 7609 fails)• 1 port for HartRAO traffic to CRS• 1 port for HartRAO traffic from Telkom mux• 1 port for PE-PE ring

– 2x dual port ES20 cards• 2 ports for Grey ring• 1 port for Wits traffic

• Cisco WXC DWDM node– 6x dual port Xponder cards

• 2 ports (2 cards) for DWDM ring traffic• 3 ports (2 cards) for backup traffic to CRS• 1 port (1 card) for HartRAO traffic to Reefhead• 1 port (1 card) for PE-PE ring

– 4 wavelengths on WSX used for optical pass-through traffic: Reefhead-CSIR

Scenario 2

Pretoria fibre at the Reefhead

SANReN Johannesburg

2x Ubuntunet 1Gbps

SANReN Johannesburg

WITS Main (λ1)

Pretoria CSIR

National

Cape Town CHPC

UJ Kingsway (λ2)

JINX 1GbpsIS 10Gbps

Reefhead CSIR MiningCSIR Services

WITS Med

SANReN 10Gbpslocal (grey) ring

SANReN 30Gbps DWDM Ring

SANReN 40GbpsDWDM

Cisco 4924

Cisco ONS

Cisco WXC

SANReN 10Gbps DWDM Link to National

WITS Bus

UJ Bunting

UJ DoornWITS Edu

Neotel 1Gbps

Scenario 2: Pretoria fibre at Reefhead

HartRAOTelkom 10 Gbps (λ10)

SANReN Johannesburg • 20 Gbps DWDM ring connecting:

– Reefhead Primary Core– WITS Secondary Core– UJ Kingsway Primary client site

• 10 Gbps connection to HartRAO (Telkom)• 10 Gbps Grey ring connecting secondary client sites

– 3 Wits– 2 UJ – 2 CSIR

• 40 Gbps DWDM link to Pretoria (CSIR)• 10 Gbps DWDM link to Cape Town (National core provider)• 10 Gbps connection to IS • 1 Gbps connections at Reefhead

– 2x Ubuntunet– 1x Neotel– 1x JINX

1Gbps Neotel

Johannesburg Reef Head

Cisco WXC

10 Gbps Grey Ring 10Gbps IS

1Gbps JINX

6708#2Cisco 7609 Cisco CRS-1

P1

6708#3

WDM ring protection from Wits 7609

Grey ring traffic from Wits 7609

Link to CHPC λ1

PE-Core Link

PE-Core Link

WS 6724

1Gbps Ubuntunet1Gbps Ubuntunet


Link to HartRAO (Wits)

7200

WDM Ring Shelf 1 (East)1

λ1W

λ1E

λ2W

λ2E

λ10W

λ10E

Xponders 1-4


λ3W

λ4W

λ5W

λ1S

WDM To Cape Town

Shelf 3 (South)

λ6N

λ7N

λ8N

λ9N

WDM To PretoriaShelf 4 (North)

P2 P5 P66708#2 6708#2

P1 P2 P5 P66708#1 6708#2

P1 P2 P1 P2ES20#2 ES20#1

P1 P2 P5 P66708#3

P1 P2 P3 P4 P5 P6 P7 P8WS6724

6708#2

P1 P2 P3 P48-10GBE#1

P1 P2 P3 P48-10GBE#2

P1 P2 P3 P4RODAN#1

P1 P2 P3 P4RODAN#2

λ2Link to Pretoria

1 3 5 7 8 9 27 10 11 12 13

14 15 16 17 18 19 20

21 22 23 24 25 26

Line to WitsLine to UJ Line to Pretoria (CSIR)Line to Cape Town

λ11W

λ11E

28

1. λ1 (Wits traffic)3. λ2 (UJ traffic)5. λ10 (HartRAO traffic)7-8. WDM ring traffic from backup 7609 at

Wits in case Reefhead 7609 fails9. Grey ring traffic from backup 7609 at

Wits in case Reefhead 7609 fails10-13. WDM link to Pretoria (CSIR)14. Connection to TENET 7200 router15. λ1 (Wits) traffic PE-Core (7609-CRS)16. λ2 (UJ) traffic PE-Core17. Grey ring traffic PE-Core

18. Grey ring West (NDF)19. Internet Solutions Peering 20. Grey ring East (CSIR Mining)21. IS peering traffic PE-Core22. Other traffic PE-Core (International,

JINX, Neotel)23. Link#1 to UbuntuNet router for

International24. Link#2 to UbuntuNet router for

International25. JINX Peering26. Neotel GEN3 link27. WDM link to Cape Town (National)28. Layer 3 PE-PE link (λ11)

Reefhead Connections



• 2 ports for Grey ring• 1 port for IS peering link

– 3x octal 6708 cards• 5 ports for PE-CRS traffic• 2 ports for DWDM ring• 1 port to TENET 7200 router• 1 port for PE-PE ring

• Cisco CRS-1 Core Router– 2x octal 8-10GBE cards

• 5 ports for PE-CRS traffic• 1 port for HartRAO link (via Wits)

– 2x quad RODAN cards with coloured optics• 2 ports for WDM ring traffic from backup 7609 at Wits• 1 port for Grey ring traffic from backup 7609 at Wits• 4 ports for DWDM link to Pretoria (CSIR)• 1 port for DWDM link to Cape Town


• Cisco WSX Optical Cross Connect– 4x dual port Xponder cards

• 2 ports for DWDM ring (λ1-λ2)• 1 port for HartRAO link (λ10)• 1 port for PE-PE ring (λ11)

– 8 Ports on wavelength cross connect (WSX)• 2 ports for WDM ring backup traffic from 7609 (λ3W-λ4W)• 1 port for Grey ring traffic backup from 7609 (λ5W) • 1 port for DWDM link to Cape Town (λ1E)• 4 ports DWDM link to Pretoria (λ6S-λ9S)

Johannesburg Wits

Cisco WXC

WDM Ring West (Shelf 2)

10 Gbps Grey Ring


λ1W

10Gbps WITS

P1Cisco 7609

WDM ring protection to CRS

Greyringprotectionto CRS


10Gbps HartRAO (Telkom)

Xponders 1-4

HartRAO-Reefhead

λ1E

λ2W

λ2E

λ10W

λ10E

λ3E

λ4E

λ5E

WDM Ring East (Shelf 1)

Xponders 5-6

P2 P5 P66708#2

P1 P2 P5 P66708#1

P1 P2 P1 P2ES20#1

λ1 λ2

Line to UJ Line to Reefhead

ES20#2

λ11W

λ11E

PE-PE

Johannesburg WITS


• 2 ports for DWDM ring traffic• 3 ports for backup traffic to CRS (in case CSIR 7609 fails)• 1 port for HartRAO traffic to Reefhead CRS• 1 port for HartRAO traffic from Telkom mux• 1 port for PE-PE ring

– 2x dual port ES20 cards• 2 ports for Grey ring• 1 port for WITS traffic

• Cisco ONS DWDM node– 6x dual port Xponder cards

• 2 ports for DWDM ring traffic• 3 ports (2 cards) for backup traffic to CRS• 1 port (1 card) for HartRAO traffic to Reefhead• 1 port (1 card) for PE-PE ring

Johannesburg UJ (Kingsway)

Cisco ONS

UJ Network


λ2W

λ2E

Line to WitsLine to Reefhead

National Provider PoP Johannesburg


λ1xPponder 1

TUT Firewall



λ1Transponder X

WDM Link to Cape Town

Line to Reefhead

SANReN Durban

SANReN Durban

Sharkhead (Durban)

National

Cape Town Beachhead

Pretoria CSIR

UZulu

ManTech

DUT Sultan

UKZN

National 10Gbps WDM: Pretoria-Sharkhead

SANReN 20Gbps WDM Ring

Cisco 4924

Cisco ONS

Cisco WXC


SEACOM International BW

Beachhead(Mtunzini)

DUT Biko

National 10Gbps WDM: Cape Town-Sharkhead

10Gbps WDM Ring: Seacom BW ringed to

Sharkhead


SANReN Durban

• 20 Gbps DWDM ring connecting: – Sharkhead CSIR (Primary Core)– Beachhead Mtunzini (Secondary Core)– National backbone node

• 10 Gbps Grey ring#1 connecting secondary client sites– UKZN– Mantech– UZulu – CSIR

• 10 Gbps Grey ring#2 connecting secondary client sites– 2x DUT

• 10 Gbps DWDM link to Pretoria (National core provider)• 10 Gbps DWDM link to Cape Town (National core provider)• 10 Gbps Seacom link between Mtunzini and London

Durban Sharkhead

Cisco ONS

Link to National (Cape Town)

10 Gbps Grey

Ring#1


λ1E

λ2W

10Gbps Grey Ring#2

P1

Cisco 7609 Cisco CRS-1

Link to National (Pretoria)

6708

PE-Core Link

λ1W

Xponder 1

λ2E

Xponder 2

West Link to Beachhead (SEACOM)

East Link to Beachhead (SEACOM)

Line to NationalLine to Beachhead

P1 P5 P6 P1 P2 P1 P2ES20#1 ES20#2

P1 P2 P3 P4 P1 P2 P3 P48-10GB#1 8-10GB#2

Durban Sharkhead


• 2 ports for Grey ring• 1 port for CSIR link• 1 port for UKZN link

– 2x octal 6708 cards• 2 ports for PE-CRS traffic


• 2 ports for PE-CRS traffic• 1 port for DWDM link to Cape Town• 1 port for DWDM link to Pretoria • 2 ports for DWDM ring to Mtunzini for Seacom Bandwidth

Durban Sharkhead

• Cisco ONS Optical Network Switch– 2x dual port Xponder cards

• 2 ports for DWDM ring to Mtunzini (Seacom)• 1 port for DWDM link to Pretoria (via Mtunzini & National)• 1 port for DWDM link to Cape Town (via National)

Beachhead (Mtunzini)

Cisco ONS

Link to National (Pretoria)

P1 P2 P3 P4 P1 P2 P3 P4


λ1E

λ1W

6708#2

P2P1ES20

P1 P2 P3 P4 Cisco 76096708#1

10Gbps SEACOM

λ2W

Xponder 1

λ2E

Xponder 2

Link to Sharkhead (W): SEACOM

Link to Sharkhead (E): SEACOM

Line to SharkheadLine to National

Beachhead (Mtunzini)

• Cisco 7609 PE Router– 1x dual port ES20 card

• Seacom International 10Gbps link

– 2x octal 6708 cards• 2 ports for WDM ring traffic to Sharkhead

• Cisco ONS Optical Network Switch– 2x dual port Xponder cards

• 2 ports for DWDM ring to Sharkhead (Seacom traffic)• 2 ports for DWDM link to Pretoria (via National)

Durban National Provider PoP

SANReN Cisco ONS

TUT Firewall



λ1

Transponder 1

λ1

Transponder 2

λ1N

λ1W

λ2W

λ2N

Xponder 1 Xponder 2

SEACOM Link

Line to BeachheadLine to Sharkhead

Line to PretoriaLine to Cape Town

SANReN Cape Town

SANReN Cape Town

National

CHPCUCT Main (λ3)

CPUT CT (λ1)

CPUT BV (λ1)UWC Main (λ2)

National

US Main

CPUT Tygerberg

US Tygerberg

US Business

MRCiThemba

DurbanJohannesburg

Bellhead

SANReN 10Gbps local (grey) rings

SANReN 30Gbps WDM ring

National 10Gbps WDM ring

SANReN 10Gbps WDM National Links

CPUT GS

CPUT MB

TENET/CHEC

Cisco 4924

Cisco ONS

Cisco WXC

BreeHead

IS International BW2x STM-1

TENET GEN3 Connection

UCT Buss.

SANReN Cape Town

• 30 Gbps DWDM ring connecting: – CHPC CSIR (Primary Core)– Bellhead (Secondary Core)– 2x CPUT (Primary client site)– 1x UCT (Primary client site)– 1x UWC (Primary client site)

• 3x 10 Gbps Grey ring connecting secondary client sites– 15 secondary client sites

• 10 Gbps DWDM link to Johannesburg (National core provider)• 10 Gbps DWDM link to Durban (National core provider)• 10 Gbps International link to TENET Breehead (GEN3)

Cape Town CHPC

Cisco WXC

10 Gbps Grey Ring

#1


λ1W

10Gbps CHPC C4

WSX North

Cisco7609 Cisco CRS-1

Grey Ring 2

Xponders 1-3

WSS East

Grey Ring 1

Grey Ring 3

WDM ring protection from Bellhead 7609

10Gbps Neotel GEN3


PE-Core Link

PE-Core Link

λ1E

λ2W

λ2E

λ3W

λ3E

λ4E

λ5E

λ6E

λ7E

λ8E

λ9E

WDM Ring Shelf 2 (East)

λ1N

WSX East Ports 4-9

NationalShelf 3 (North)

P1 P2 P5 P66708#1

P1 P2 P5 P66708#2

P1 P2 P5 P66708#3

P1 P2 P1 P2ES20#1 ES20#2

P1 P2 P3 P48-10GBE#1

P1 P2 P3 P48-10GBE#2

P1 P2 P3 P4 P1 P2 P3 P4RODAN#1 RODAN#2

Line to UCT Line to UWC Line to Johannesburg

1 3 5 7 9 10 11 12 13

17 1819 2021

22 23 24 25

Grey RingProtection

λ10E

Link toDurban

λ11W

λ11E

λ1 λ2 λ3 PE-PElink

14 15 16

26

1. λ1 (CPUT traffic)3. λ2 (UWC traffic)5. λ3 (UCT traffic)7. λ11 PE-PE link9. Grey ring#1 traffic from backup 7609 at

Bellhead in case CHPC 7609 fails10. Grey ring#2 traffic from backup 7609

at Bellhead in case CHPC 7609 fails11. Grey ring#3 traffic from backup 7609

at Bellhead in case CHPC 7609 fails12-14. WDM ring traffic from backup 7609

at Bellhead in case CHPC 7609 fails

15. Link to National (Durban via Bellhead)16. Link to National (Johannesburg)17. λ1 (CPUT) traffic PE-Core (7609-CRS)18. Grey ring#1 (West)19. C4 link20. Grey ring#1 (East)21. Neotel GEN3 link22. λ2 (UWC) traffic PE-Core23. λ3 (UCT) traffic PE-Core24. Grey ring#1 traffic PE-Core25. C4 traffic PE-Core26. Neotel GEN3 traffic PE-Core

CHPC Connections

Cape Town CHPC


• 2 ports for Grey ring #1– 3x octal 6708 cards

• 6 ports for PE-CRS traffic• 3 ports for DWDM ring• 1 port for Neotel GEN3 link to Breehead• 1 port for CHPC C4 traffic• 1 port for PE-PE link


• 6 ports for PE-CRS traffic– 2x RODAN cards with coloured optics

• 3 ports for backup WDM ring traffic from 7609 at Bellhead• 3 ports for backup gray ring traffic from 7609 at Bellhead• 1 port for DWDM link to Johannesburg (National provider)• 1 port for DWDM link to Bellhead (Durban national traffic)

Cape Town CHPC

• Cisco WXC wavelength cross-connect– 3x dual port Xponder cards

– 3 ports for DWDM ring (λ1-λ3)– 1 port for PE-PE ring (λ11)

– 6 Ports on wavelength cross-connect– 3 ports for backup grey ring traffic from Bellhead 7609 (λ4E-λ6E)– 3 ports for backup WDM ring traffic from Bellhead 7609 (λ7E-λ9E)– 1 port for DWDM link to Durban (via Bellhead): λ10E– 1 port for DWDM link to Johannesburg (λ1N)

Cape Town Bellhead

Cisco WXC

10 Gbps Grey Ring

#1

40 Channel WDM Filterλ1

W

10Gbps Grey ring #3

10Gbps Grey ring #2

Cisco 7609

Grey Ring 2Grey Ring 1

Grey Ring 3

DWDM ring protection to CRS

Xponders 1-4

Optical pass-through to CHPC

λ1E

λ2W

λ2E

λ3W

λ3E

λ4W

λ5W

λ6W

λ7W

λ8W

λ9W

λ10N

P1 P2 P5 P66708#1

P1 P2 P5 P66708#2

P1 P2 P5 P66708#3

P1 P2 P5 P6ES20#2

P1 P2ES20#1 ES20#3

Xponders 5-7

λ2 λ3 λ1

Line to DurbanLine to CPUT CTLine to CPUT BV

WDM Ring East (Shelf 1) WDM Ring West (Shelf 2)

1 3 5 7 9 10 11 12 13

15 16 17 18 19 20

National(Shelf 3)

λ10W

λ11W

λ11E

PE-PE link

14

Grey Ring protection

1. λ1 (CPUT traffic)3. λ2 (UWC traffic)5. λ3 (UCT traffic)7. λ11 PE-PE link9. Grey ring#1 traffic from backup 7609 at

Bellhead in case CHPC 7609 fails10. Grey ring#2 traffic from backup 7609

at Bellhead in case CHPC 7609 fails11. Grey ring#3 traffic from backup 7609

at Bellhead in case CHPC 7609 fails12-14. WDM ring traffic from backup 7609

at Bellhead in case CHPC 7609 fails

15. Grey ring#1 (West)16. Grey ring#2 (West)17. Grey ring#1 (East)18. Grey ring#3 (West)19. Grey ring#2 (East)20. Grey ring#3 (East)

Bellhead Connections

Cape Town (Bellhead)


• 3 ports for DWDM ring traffic• 3 ports for backup WDM traffic to CRS (in case CHPC 7609 fails)• 3 ports for backup grey ring traffic to CRS (ring 1,2,3)• 1 port for PE-PE link

– 4x dual port ES20 cards• 2 ports for Grey ring #1• 2 ports for Grey ring #2• 2 ports for Grey ring #3

• Cisco WXC wavelength cross-connect– 7x dual port Xponder cards

• 3 ports (3 cards) for DWDM ring traffic• 3 ports for backup WDM ring traffic to CRS• 3 ports for backup Grey ring traffic to CRS• 1 port for PE-PE link

– Optical pass-through• Link to National (Durban), optically passed through to CHPC

Cape Town CPUT (BV)

Cisco ONS

CPUT Network


λ1W

λ1E

Line to BellheadLine to UWC

Cape Town CPUT (CT)

Cisco ONS

CPUT Network


λ1W

λ1E

Line to UCTLine to Bellhead

Cape Town UWC

Cisco ONS

UWC Network


λ2W

λ2E

Line to CPUT BVLine to CHPC

Cape Town UCT

Cisco ONS

UCT Network


λ3W

λ3E

Line to CHPCLine to CPUT CT

National Provider PoP Bellville


λ10xPponder 1

TUT Firewall



λ1 Transponder X


Line to Bellhead

National Provider PoP Cape Town


λ1xPponder 1

TUT Firewall



λ1 Transponder X


Line to CHPC

SANReN National Network CSIRUnisa WITS Reef Head Shark Head Bell Head CHPC Durban Johannesburg...

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