Generated Report for Unified

Unified - Internet2 IP Network Operations Report
03/28/2016 - 04/03/2016

Unified - Internet2 IP Network Operations Center
at Indiana University

New Connections

None

Upgrades

None

New Services

None

Unscheduled Outages Summary

Ticket Number	Customer Impact	Network Impact	*Title*	Outage Type	Source Of Impact	*Start Time (UTC)*	*End Time (UTC)*

7793	4-Normal	1-Critical	Brief Outage Resolved - I2 Optical Various Circuit	Undetermined	Vendor	03/28/2016 5:51 PM	03/28/2016 5:52 PM
7818	4-Normal	1-Critical	Outage Resolved - I2 Optical DWDM System JCSN-MEMP	Unannounced Maintenance	Vendor	03/30/2016 8:28 AM	03/30/2016 9:24 AM
7863	4-Normal	1-Critical	Outage Resolved - I2 Optical DWDM System DALL-TULS	Cut or Damaged Fiber	Vendor	04/02/2016 4:54 PM	04/03/2016 3:52 AM

Unscheduled Outages Detail

Ticket No.:	7793:144
Subject:	Brief Outage Resolved - I2 Optical Various Circuit
Source Of Impact:	Vendor
Affected:	IP Backbone HOUS-LOSA
Start Time:	Monday, March 28, 2016, 5:51 PM (1751) UTC
End Time:	Monday, March 28, 2016, 5:52 PM (1752) UTC
Description:	The above listed Optical circuits were briefly unavailable. Level(3) Communications has been contacted and the reason for the outage is undetermined. No further outages are expected.

Ticket No.:	7818:144
Subject:	Outage Resolved - I2 Optical DWDM System JCSN-MEMP
Source Of Impact:	Vendor
Affected:	DWDM System JCSN-MEMP AL2S Backbone ATLA-JCSN Optical Member NOAA/N-Wave Optical Member MissiON
Start Time:	Wednesday, March 30, 2016, 8:28 AM (0828) UTC
End Time:	Wednesday, March 30, 2016, 9:24 AM (0924) UTC
Description:	The above listed assets are now available to the community. Zayo Engineers have been contacted. It has been determined the outage is due to planned maintenance. Maintenance has been completed. No further outages are expected.

Ticket No.:	7863:144
Subject:	Outage Resolved - I2 Optical DWDM System DALL-TULS
Source Of Impact:	Vendor
Affected:	DWDM System DALL-TULS AL2S Backbone DALL-TULS IP Backbones DALL-KANS, DALL-TULS, DALL3-EQCH, DALL3-SEAT, DALL3-WILC, and HOUS-KANS
Start Time:	Saturday, April 2, 2016, 4:54 PM (1654) UTC
End Time:	Sunday, April 3, 2016, 3:52 AM (0352) UTC
Description:	The above listed assets are now available to the community. Level (3) Communications Engineers have reported the reason for the outage was a fiber cut caused by a construction crew doing road work between Denton and Dallas, TX. Field services have reported that splicing has been completed and all services have been restored.

Scheduled Maintenances Summary

Ticket Number	Customer Impact	Network Impact	*Title*	Maintenance Type	Source Of Impact	*Start Time (UTC)*	*End Time (UTC)*

7723	3-Elevated	1-Critical	Maintenance 1 of 2 Completed - I2 Optical DWDM System DALL-TULS	Circuit	Vendor	04/01/2016 5:01 AM	04/01/2016 6:31 AM

Scheduled Maintenances Detail

Ticket No.:	7723:144
Subject:	Maintenance 1 of 2 Completed - I2 Optical DWDM System DALL-TULS
Source Of Impact:	Vendor
Affected:	DWDM System DALL-TULS AL2S Backbone(s) DALL-TULS IP Backbone(s) HOUS-KANS Customer Learn Member NOAA/N-Wave All Customers and Peers
Start Time:	Friday, April 1, 2016, 5:01 AM (0501) UTC
End Time:	Friday, April 1, 2016, 6:31 AM (0631) UTC
Description:	The above listed assets are now available after Level(3) Communications performed cable relocation in Denton, TX. The maintenance has been completed.

Downtime and Availability

Unified - Internet2 IP Core Nodes	Down Time		Reporting Period Availability		52 Week Availability
ASHB MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
ATLA MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
CHIC MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
CLEV MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
HOUS MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
KANS MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
LOSA MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
NEWY MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
SALT MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
SEAT MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
WASH MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
rtsw0.sing1.net.internet2.edu	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
rtsw.sing2.net.internet2.edu	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%

Aggregate Unified - Internet2 IP Core Nodes	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%

NOTE: Numbers in italics represent downtime with scheduled maintenance excluded. Internet2's definition of scheduled maintenance is any anticipated outage announced at least 72 hours in advance of the outage start time.

Unified - Internet2 IP Backbone Circuits	Down Time		Reporting Period Availability		52 Week Availability
Layer3 AL3S Backbone ASHB-ATLA R&E VLAN 55199	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.90955%	99.98827%
Layer3 AL3S Backbone ASHB-ATLA Commodity VLAN 55204	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.91693%	99.93794%
Layer3 AL3S Backbone ASHB-CHIC R&E VLAN 55198	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Layer3 AL3S Backbone ASHB-CHIC Commodity VLAN 55203	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.83576%	99.88987%
Layer3 AL3S Backbone ASHB-CLEV R&E VLAN 55197	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.96764%	99.99981%
Layer3 AL3S Backbone ASHB-CLEV Commodity VLAN 55202	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99886%	100.00000%
Layer3 AL3S Backbone ASHB-NEWY R&E VLAN 55201	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.57255%	99.70538%
Layer3 AL3S Backbone ASHB-NEWY Commodity VLAN 55206	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Layer3 AL3S Backbone ASHB-WASH R&E VLAN 55200	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98392%	100.00000%
Layer3 AL3S Backbone ASHB-WASH Commodity VLAN 55205	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98316%	100.00000%
I2-CHIC-WASH-VLAN-12131	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.70235%	99.83840%
I2-CHIC-WASH-VLAN-12132	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.70235%	99.83840%
I2-ATLA-CLEV-VLAN-14832	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-ATLA-CLEV-VLAN-14837	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-ATLA-NEWY32AOA-VLAN-14833	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-ATLA-NEWY32AOA-VLAN-14838	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-CHIC-NEWY32AOA-VLAN-14831	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-CHIC-NEWY32AOA-VLAN-14834	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
R&E 100G Backbone: I2-ATLA-CHIC-VLAN-09181	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.72033%	99.86035%
R&E 100G Backbone: I2-ATLA-HOUS-VLAN-09182	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.51711%	99.60774%
R&E 100G Backbone: I2-ATLA-WASH-VLAN-09179	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.78656%	99.83443%
R&E 100G Backbone: I2-CHIC-CLEV-VLAN-09180	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.69138%	99.85449%
R&E 100G Backbone: I2-CHIC-KANS-VLAN-09183	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.92961%	99.99678%
R&E 100G Backbone: I2-CLEV-NEWY32AOA-VLAN-09177	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.62042%	99.66054%
R&E 100G Backbone: I2-CLEV-WASH-VLAN-09178	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.74266%	99.90880%
R&E 100G Backbone: I2-HOUS-KANS-VLAN-09184	12 hr 28 min	10 hr 58 min	92.57937%	93.47222%	99.35494%	99.49497%
R&E 100G Backbone: I2-HOUS-LOSA-VLAN-09189	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.57217%	99.66451%
R&E 100G Backbone: I2-KANS-SALT-VLAN-09185	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.71163%	99.85222%
R&E 10G Backbone: I2-LOSA-PAIX-VLAN-23105	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98940%	99.99981%
Commodity 10G Backbone: I2-LOSA-PAIX-VLAN-23106	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98940%	99.99981%
R&E 100G Backbone: I2-LOSA-SALT-VLAN-09188	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.89858%	99.93377%
R&E 100G Backbone: I2-LOSA-SEAT-VLAN-09187	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.77937%	99.88495%
R&E 100G Backbone: I2-LOSA-SEAT-VLAN-09328	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.77937%	99.88495%
R&E 100G Backbone: I2-LOSA-WILC-VLAN-23103	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98921%	99.99603%
Commodity 100G Backbone: I2-LOSA-WILC-VLAN-23104	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98921%	99.99603%
R&E 100G Backbone: I2-NEWY32AOA-WASH-VLAN-09176	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.48210%	99.60547%
R&E 100G Backbone: I2-SALT-SEAT-VLAN-09186	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.71692%	99.74871%
R&E 100G Backbone: I2-SALT-SEAT-VLAN-09327	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.71692%	99.74871%
R&E 100G Backbone: I2-WASH-ATLA-VLAN-09179	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
R&E 100G Backbone: I2-ATLA-WASH-VLAN-09318	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.78656%	99.83443%
Legacy 10G Backbone: I2-ATLA-CHIC-10GE-05419	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.73774%	99.93510%
Legacy 10G Backbone: I2-ATLA-HOUS-10GE-05423	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.57576%	99.63953%
Legacy 10G Backbone: I2-ATLA-WASH-10GE-05251	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-ATLA-WASH-10GE-09142	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99300%	99.99754%
Legacy 10G Backbone: I2-CHIC-CLEV-10GE-08891	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.82724%	99.87114%
Legacy 10G Backbone: I2-CHIC-KANS-10GE-05781	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-CHIC-KANS-10GE-05976	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.89839%	99.99981%
Legacy 10G Backbone: I2-CLEV-NEWY32AOA-10GE-08894	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-CLEV-WASH-10GE-08889	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.90028%	99.93850%
Legacy 10G Backbone: I2-HOUS-KANS-10GE-05560	12 hr 28 min	10 hr 58 min	92.57937%	93.47222%	99.47283%	99.55892%
Legacy 10G Backbone: I2-HOUS-KANS-LAG-08934	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-HOUS-LOSA-10GE-05559	0 hr 1 min	0 hr 1 min	99.99008%	99.99008%	99.91788%	99.99943%
Legacy 10G Backbone: I2-KANS-SALT-10GE-05566	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.76442%	99.87152%
Legacy 10G Backbone: I2-KANS-SALT-LAG-08935	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.83046%	99.87190%
Legacy 10G Backbone: I2-LOSA-PAIX-10GE-05853	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98940%	99.99981%
Legacy 10G Backbone: I2-LOSA-SALT-10GE-05563	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.91239%	99.93377%
Legacy 10G Backbone: I2-LOSA-SEAT-10GE-05564	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.81532%	99.85846%
Legacy 10G Backbone: I2-LOSA-SEAT-10GE-05572	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 100G Backbone: I2-LOSA-WILC-100GE-23893	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-NEWY32AOA-WASH-10GE-07612	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.95875%	99.99943%
Legacy 10G Backbone: I2-SALT-SEAT-10GE-05565	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.74569%	99.74890%

Aggregate All Unified - Internet2 IP Backbone Circuits	24 hr 57 min	3 hr 0 min	99.75654%	99.78581%	99.84716%	99.89819%

Upcoming Scheduled Maintenances

Ticket No.:	7872:144
Subject:	Maintenance 1 of 2 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Saturday, April 9, 2016, 6:00 AM (0600) UTC
End Time:	Saturday, April 9, 2016, 11:00 AM (1100) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.

Ticket No.:	7722:144
Subject:	Maintenance Rescheduled 2 of 2 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Sunday, April 10, 2016, 6:00 AM (0600) UTC
End Time:	Sunday, April 10, 2016, 11:00 AM (1100) UTC
Description:	Please not new maintenance time. The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 2 of 2.

Ticket No.:	7879:144
Subject:	Maintenance - I2 Optical Various Circuits
Affected:	Member ESnet
Start Time:	Monday, April 11, 2016, 11:00 PM (2300) UTC
End Time:	Tuesday, April 12, 2016, 2:00 AM (0200) UTC
Description:	The above listed circuits will be briefly unavailable while ESnet engineers upgrade the operating system on the ORNL ESnet router. The entire maintenance window is reserved.

Ticket No.:	7887:144
Subject:	Maintenance - I2 Optical Member ESNet
Affected:
Start Time:	Tuesday, April 12, 2016, 10:00 PM (2200) UTC
End Time:	Wednesday, April 13, 2016, 1:00 AM (0100) UTC
Description:	Member ESNet's Optical above listed circuits will be unavailable while ESNet Engineers perform maintenance. A brief outage is expected, however the entire maintenance window has been reserved.

Ticket No.:	7888:144
Subject:	Maintenance - I2 Optical Member ESnet Circuit ESNET-ELPA-SUNN-100GE-07824
Affected:	Member ESnet
Start Time:	Wednesday, April 13, 2016, 1:00 AM (0100) UTC
End Time:	Wednesday, April 13, 2016, 3:00 AM (0300) UTC
Description:	Optical Member ESnet's circuit ESNET-ELPA-SUNN-100GE-07824 will be unavailable while ESnet engineers perform a software upgrade. An outage of 30 minutes is expected. The entire maintenance window is reserved.

Ticket No.:	7900:144
Subject:	Maintenance * Tracking* - I2 Optical Member ESnet
Affected:	Optical Member ESnet
Start Time:	Thursday, April 14, 2016, 1:00 AM (0100) UTC
End Time:	Thursday, April 14, 2016, 4:00 AM (0400) UTC
Description:	The above listed assets are expected to remain available while ESnet Engineers perform software maintenance. An outage is not expected; however, the entire maintenance window has been reserved.

Ticket No.:	7920:144
Subject:	Maintenance - I2 Optical Various DWDM Systems
Affected:	DWDM Systems SACR-SUNN, SLAC-SUNN, & SNLL-SUNN AL2S Backbone PORT-SUNN IP Backbone LOSA-SEAT Optical Members PNWGP, CENIC, & ESnet
Start Time:	Friday, April 15, 2016, 7:00 AM (0700) UTC
End Time:	Friday, April 15, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets are expected to remain available while Internet2 Network Engineers perform hardware maintenance. An outage is not expected; however, the entire window is reserved. Should an outage occur, backbone traffic will re- route. Workgroup administrators will receive notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:	7819:144
Subject:	Maintenance 1 of 5 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Tuesday, April 19, 2016, 3:00 AM (0300) UTC
End Time:	Tuesday, April 19, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets will be unavailable while Zayo performs maintenance to replace an entire splice enclosure in Minneapolis, MN. An outage of up to three hours is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. Please note this is maintenance window 1 of 5.

Ticket No.:	7820:144
Subject:	Maintenance 2 of 5 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Wednesday, April 20, 2016, 3:00 AM (0300) UTC
End Time:	Wednesday, April 20, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets will be unavailable while Zayo performs maintenance to replace an entire splice enclosure in Minneapolis, MN. An outage of up to three hours is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. Please note this is maintenance window 2 of 5.

Ticket No.:	7821:144
Subject:	Maintenance 3 of 5 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Thursday, April 21, 2016, 3:00 AM (0300) UTC
End Time:	Thursday, April 21, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets will be unavailable while Zayo performs maintenance to replace an entire splice enclosure in Minneapolis, MN. An outage of up to three hours is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. Please note this is maintenance window 3 of 5.

Ticket No.:	7822:144
Subject:	Maintenance 4 of 5 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Friday, April 22, 2016, 3:00 AM (0300) UTC
End Time:	Friday, April 22, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets will be unavailable while Zayo performs maintenance to replace an entire splice enclosure in Minneapolis, MN. An outage of up to three hours is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. Please note this is maintenance window 4 of 5.

Ticket No.:	7823:144
Subject:	Maintenance 5 of 5 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Saturday, April 23, 2016, 3:00 AM (0300) UTC
End Time:	Saturday, April 23, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets will be unavailable while Zayo performs maintenance to replace an entire splice enclosure in Minneapolis, MN. An outage of up to three hours is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. Please note this is maintenance window 5 of 5.

Ticket No.:	7912:144
Subject:	Maintenance 1 of 4 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Tuesday, April 26, 2016, 7:00 AM (0700) UTC
End Time:	Tuesday, April 26, 2016, 12:00 PM (1200) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.

Ticket No.:	7913:144
Subject:	Maintenance 2 of 4 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Wednesday, April 27, 2016, 7:00 AM (0700) UTC
End Time:	Wednesday, April 27, 2016, 12:00 PM (1200) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.

Ticket No.:	7914:144
Subject:	Maintenance 3 of 4 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Thursday, April 28, 2016, 7:00 AM (0700) UTC
End Time:	Thursday, April 28, 2016, 12:00 PM (1200) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.

Ticket No.:	7915:144
Subject:	Maintenance 4 of 4 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Friday, April 29, 2016, 7:00 AM (0700) UTC
End Time:	Friday, April 29, 2016, 12:00 PM (1200) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.