Naming conventions and links IDs
When new links are added do not forget to warn GGUS team to have them modifying the links ID in the TTS.
The MTUs in this section are given as the maximum size of packet (IP MTU) or frame (L2 MTU - often ethernet MTU) that can be transmitted without fragmentation.
Official site naming
Links' ID and information
T0-T1 links |
Link ID |
T1 |
T0 router |
Use |
Bandwidth |
IP prefix |
Min L2 MTU |
Min IP MTU |
CERN-TRIUMF-LHCOPN-001 |
CA-TRIUMF |
CH-CERN R02LCG |
Backup |
1G |
192.16.166.84/30 |
9192B |
9000B |
CERN-TRIUMF-LHCOPN-002 |
CA-TRIUMF |
CH-CERN R01LCG |
Primary |
5G |
192.16.166.80/30 |
9192B |
9000B |
CERN-GRIDKA-LHCOPN-001 |
DE-KIT |
CH-CERN R01LCG |
Primary |
10G |
192.16.166.32/30 |
|
|
CERN-PIC-LHCOPN-001 |
ES-PIC |
CH-CERN R01LCG |
Primary |
10G |
192.16.166.56/30 |
9216B |
9000B |
CERN-PIC-LHCOPN-002 |
ES-PIC |
CH-CERN R03EXT |
Backup |
1G |
192.16.155.64/30 |
|
1500B |
CERN-IN2P3-LHCOPN-001 |
FR-CCIN2P3 |
CH-CERN R02LCG |
Primary |
10G |
192.16.166.40/30 |
9026B |
9000B |
CERN-CNAF-LHCOPN-001 |
IT-INFN-CNAF |
CH-CERN R02LCG |
Primary |
10G |
192.16.166.16/30 |
|
9000B |
CERN-CNAF-LHCOPN-002 |
IT-INFN-CNAF |
CH-CERN |
Secondary |
10G |
|
|
CERN-NDGF-LHCOPN-001 |
NDGF |
CH-CERN R01LCG |
Primary |
10G |
192.16.166.48/30 |
|
9000B |
CERN-SARA-LHCOPN-001 |
NL-T1 |
CH-CERN R02LCG |
Primary |
10G |
192.16.166.72/30 |
|
9000B |
CERN-ASGC-LHCOPN-003 |
TW-ASGC |
CH-CERN R01LCG |
Primary |
10G |
192.16.166.0/30 |
|
|
CERN-ASGC-LHCOPN-004 |
TW-ASGC |
CH-CERN R02LCG |
Backup |
1.8G |
192.16.166.96/30 |
|
|
CERN-ASGC-LHCOPN-005 |
TW-ASGC |
CH-CERN R02LCG |
Backup |
2.5G |
192.16.166.148/30 |
|
|
CERN-RRCK1-LHCOPN-001 |
RRC-KI-T1 |
CH-CERN R02LCG |
Primary |
2G |
192.16.166.156/30 |
|
|
CERN-RAL-LHCOPN-001 |
UK-T1-RAL |
CH-CERN R01LCG |
Primary |
10G |
192.16.166.68/30 |
|
9600B |
CERN-RAL-LHCOPN-002 |
UK-T1-RAL |
CH-CERN R02LCG |
Backup |
10G |
192.16.166.140/30 |
|
9600B |
CERN-FERMI-LHCOPN-001 |
US-FNAL-CMS |
CH-CERN R02LCG |
Primary |
10G |
192.16.166.24/30 |
|
9000B |
CERN-FERMI-LHCOPN-002 |
US-FNAL-CMS |
CH-CERN R01LCG |
Backup |
3.5G |
192.16.166.28/30 |
|
9000B |
CERN-FERMI-LHCOPN-003 |
US-FNAL-CMS |
CH-CERN R02LCG |
Secondary |
7G |
192.16.166.4/30 |
|
9000B |
CERN-BNL-LHCOPN-001 |
US-T1-BNL |
CH-CERN R01LCG |
Primary |
10G |
192.16.166.8/30 |
|
9000B |
CERN-BNL-LHCOPN-002 |
US-T1-BNL |
CH-CERN R02LCG |
Backup |
3.5G |
192.16.166.12/30 |
|
9000B |
CERN-BNL-LHCOPN-003 |
US-T1-BNL |
CH-CERN R01LCG |
Primary |
7G |
192.16.166.88/30 |
|
9000B |
T1-T1 links |
Link ID |
T1 (responsible) |
T1 |
Use |
Bandwidth |
IP prefix |
Min L2 MTU |
Min IP MTU |
CNAF-GRIDKA-LHCOPN-001 |
IT-INFN-CNAF |
DE-KIT |
Transit |
10G |
192.16.166.100/30 |
|
|
SARA-TRIUMF-LHCOPN-001 |
NL-T1 |
CA-TRIUMF |
T1-T1 |
1G |
206.12.9.40/29 |
9192B |
9000B |
GRIDKA-SARA-LHCOPN-001 |
DE-KIT |
NL-T1 |
Transit |
10G |
192.16.166.104/30 |
|
9000B |
GRIDKA-IN2P3-LHCOPN-001 |
FR-CCIN2P3 |
DE-KIT |
Transit |
10G |
192.16.166.108/30 |
9026B |
9000B |
NDGF-SARA-LHCOPN-001 |
NDGF |
NL-T1 |
Transit |
10G |
1109.105.124.16/30 |
|
9000B |
ASGC-SARA-LHCOPN-001 |
TW-ASGC |
NL-T1 |
T1-T1 |
2G |
117.103.111.184/30 |
|
9000B |
FERMI-SARA-LHCOPN-001 |
US-FNAL-CMS |
NL-T1 |
T1-T1 |
1G |
198.151.133.140/30 |
|
9000B |
ASGC-FERMI-LHCOPN-001 |
TW-ASGC |
US-FNAL-CMS |
T1-T1 |
2G |
198.151.133.176/30 |
|
|
Internal T0 or T1's links (can strongly affect the LHCOPN) |
Link ID |
T0/T1 |
Bandwidth |
IP prefix |
Min L2 MTU |
Min IP MTU |
CH-CERN-I-II-LHCOPN-001 |
CH-CERN |
10G |
192.16.166.252/30 |
9000B |
|
DE-KIT-I-II-LHCOPN-001 |
DE-KIT |
10G |
|
|
|
TW-ASGC-AMS-TPE-LHCOPN-001 |
TW-ASGC |
10G |
|
|
|
W-ASGC-AMS-CHI-LHCOPN-001 |
TW-ASGC |
2.5G |
|
|
|
TW-ASGC-CHI-TPE-LHCOPN-001 |
TW-ASGC |
2.5G |
|
|
|
SARA-NIKHEF-LHCOPN-001 |
NL-T1 |
10G |
|
9018B |
9000B |
Old/decommissioned links |
T0/T1 |
T0/T1 |
Link ID |
Status |
Bandwidth |
CH-CERN |
TW-ASGC |
CERN-ASGC-LHCOPN-001 |
Primary |
1G |
CH-CERN |
TW-ASGC |
CERN-ASGC-LHCOPN-002 |
Primary(bundle) |
1G |
US-T1-BNL |
US-FNAL-CMS |
BNL-FERMI-LHCOPN-001 |
Previously used for testing - Primary |
. |
US-T1-BNL |
US-FNAL-CMS |
BNL-FERMI-LHCOPN-002 |
Previously used for testing - Backup |
. |
Planned/not yet in production/Testing/Unknown links |
T0/T1 |
T0/T1 |
Link ID |
Status |
Bandwidth |
CH-CERN |
UK-T1-RAL |
CERN-RAL-LHCOPN-002 |
Upcoming backup |
10G |
Responsibilities for links
- For T0 - T1 link responsibilities are on T1's side.
- For T1 - T1 link default responsibilities are depicted on the table of T1 - T1 links. They can be changed as soon as more precise details about an outage are known.
- For internal's T1 links, responsibilities is of course on hosting T1s.