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
32 Channel WDM Filter
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
32 Channel WDM Filter
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
Scenario 1: Pretoria fibre at Wits
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
32 Channel WDM Filter
λ1W
10Gbps WITS
P1Cisco 7609
WDM ring protection to CRS
Greyringprotectionto CRS
Scenario 1: Pretoria fibre at Wits
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
32 Channel WDM Filter
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
Scenario 2: Pretoria fibre at Reefhead
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)
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
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• 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
Johannesburg Reefhead
• 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
32 Channel WDM Filter
λ1W
10Gbps WITS
P1Cisco 7609
WDM ring protection to CRS
Greyringprotectionto CRS
Scenario 2: Pretoria fibre at Reefhead
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
• Cisco 7609 PE Router– 2x octal port 6708 cards
• 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
32 Channel WDM Filter
λ2W
λ2E
Line to WitsLine to Reefhead
National Provider PoP Johannesburg
SANReN Cisco 15454 ONS
λ1xPponder 1
TUT Firewall
40 Channel WDM Mux/Demux
National Provider WDM Terminal
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
SANReN 10Gbps local (grey) ring #1
SEACOM International BW
Beachhead(Mtunzini)
DUT Biko
National 10Gbps WDM: Cape Town-Sharkhead
10Gbps WDM Ring: Seacom BW ringed to
Sharkhead
SANReN 10Gbps local (grey) ring #2
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
32 Channel WDM Filter
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
• Cisco 7609 PE Router– 2x dual port ES20 10 Gbps cards
• 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
• Cisco CRS-1 Core Router– 2x 8-10GBE cards
• 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
32 Channel WDM Filter
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
40 Channel WDM Mux/Demux
National Provider WDM Terminal
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
40 Channel WDM Filter
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
WDM Ring Shelf 1 (West)
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
• Cisco 7609 PE Router– 2x dual port ES20 10 Gbps cards
• 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
• Cisco CRS-1 Core Router– 2x 8-10GBE cards
• 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)
• Cisco 7609 PE Router– 4x octal port 6708 cards
• 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
32 Channel WDM Filter
λ1W
λ1E
Line to BellheadLine to UWC
Cape Town CPUT (CT)
Cisco ONS
CPUT Network
32 Channel WDM Filter
λ1W
λ1E
Line to UCTLine to Bellhead
Cape Town UWC
Cisco ONS
UWC Network
32 Channel WDM Filter
λ2W
λ2E
Line to CPUT BVLine to CHPC
Cape Town UCT
Cisco ONS
UCT Network
32 Channel WDM Filter
λ3W
λ3E
Line to CHPCLine to CPUT CT
National Provider PoP Bellville
SANReN Cisco 15454 ONS
λ10xPponder 1
TUT Firewall
40 Channel WDM Mux/Demux
National Provider WDM Terminal
λ1 Transponder X
WDM Link to Cape Town
Line to Bellhead
National Provider PoP Cape Town
SANReN Cisco 15454 ONS
λ1xPponder 1
TUT Firewall
40 Channel WDM Mux/Demux
National Provider WDM Terminal
λ1 Transponder X
WDM Link to Cape Town
Line to CHPC
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