Unified - Internet2 Advanced Layer 2 Service Network Operations Report
09/08/2014 - 09/14/2014

Unified - Internet2 Advanced Layer 2 Service Network Operations Center
at Indiana University

New Connections

None


Upgrades

None


New Network Resources

None


Unscheduled Outages Summary

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

3521-Critical 1-Critical Brief Outage Resolved - I2 Optical Various Circuits (HOUS) UndeterminedUndetermined 09/08/2014 4:59 PM 09/08/2014 5:00 PM
3701-Critical 1-Critical Outage Resolved - I2 Optical DWDM System HOUS-JCSN Cut or Damaged FiberVendor 09/09/2014 2:43 PM 09/10/2014 12:34 AM
3751-Critical 1-Critical Brief Outage - I2 Optical DWDM System DENV-SALT UndeterminedVendor 09/09/2014 7:48 PM 09/09/2014 7:52 PM

Unscheduled Outages Detail


Ticket No.:352:144
Subject:Brief Outage Resolved - I2 Optical Various Circuits (HOUS)
Source Of Impact:Undetermined
Affected:Optical Various Circuits
AL2S Backbone ELPA-HOUH
IP Backbone HOUS-LOSA
Start Time:Monday, September 8, 2014, 4:59 PM (1659) UTC
End Time:Monday, September 8, 2014, 5:00 PM (1700) UTC
Description:The above listed were briefly unavailable to the community. Level (3) Communications technicians report the reason for outage is undetermined.

Ticket No.:370:144
Subject:Outage Resolved - I2 Optical DWDM System HOUS-JCSN
Source Of Impact:Vendor
Affected:DWDM System HOUS-JCSN
AL2S Backbone HOUH-JCSN
IP Connector Mission
NDDI Backbone LOSA-RALE
Start Time:Tuesday, September 9, 2014, 2:43 PM (1443) UTC
End Time:Wednesday, September 10, 2014, 12:34 AM (0034) UTC
Description:DWDM System HOUS-JCSN is now available to the community. Level (3) Communications has confirmed that the outage was due to a fiber cut caused by construction. Splicing has been completed and services have restored. No further outages are expected. IP and AL2S Backbones re-routed. Workgroup administrators received notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:375:144
Subject:Brief Outage - I2 Optical DWDM System DENV-SALT
Source Of Impact:Vendor
Affected:DWDM System DENV-SALT
AL2S Backbone DENV-SALT
IP Backbone KANS-SALT
NDDI Backbone CHIC-SEAT
IP Connector FRGP (SALT)*
Start Time:Tuesday, September 9, 2014, 7:48 PM (1948) UTC
End Time:Tuesday, September 9, 2014, 7:52 PM (1952) UTC
Description:DWDM System DENV-SALT was briefly unavailable to the community. Level (3) Communications technicians are currently investigating the reason for the outage. Layer 2 and 3 backbone traffic rerouted during the outage. Workgroup administrators receive notifications from OESS regarding circuits re-routed on the backbone. *Denotes multihomed and entity remained available.

Scheduled Maintenances Summary

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

268 3-Elevated 1-Critical Maintenance Completed - I2 Optical DWDM System BOST-NEWY Hardware Internal09/09/2014 4:08 AM 09/09/2014 5:19 AM
269 3-Elevated Maintenance Completed - I2 Optical DWDM System BOST-NEWY CircuitInternal 09/10/2014 4:31 AM 09/10/2014 6:29 AM
292 3-Elevated Maintenance Completed- I2 AL2S for Atlanta, GA (Module Swap) Hardware Internal09/10/2014 4:01 AM 09/10/2014 6:01 AM
386 3-Elevated Maintenance Completed - I2 AL2S Backbone ATLA-JCSN HardwareInternal 09/13/2014 4:06 AM 09/13/2014 4:28 AM
148 3-Elevated Maintenance Completed - I2 Optical Circuit I2-MINN-SEAT-100GE-09036 Circuit Vendor09/13/2014 2:15 PM 09/13/2014 3:33 PM

Scheduled Maintenances Detail

Ticket No.:268:144
Subject:Maintenance Completed - I2 Optical DWDM System BOST-NEWY
Source Of Impact:Internal
Affected:DWDM System BOST-NEWY
AL2S Backbone BOST-NEWY
AL2S Connector NOX
NDDI Backbone CHIC-NEWY
IP Connector OARnet (CLEV)*
IP Connector NOX (WASH)*
Start Time:Tuesday, September 9, 2014, 4:08 AM (0408) UTC
End Time:Tuesday, September 9, 2014, 5:19 AM (0519) UTC
Description: DWDM System BOST-NEWY is now available after a brief outage while Internet2 Engineers with the assistance of Level(3) Communications replaced a fuse in Hartford, CT. The maintenance is completed. No further outages are expected related to this event. * Denotes that the Entity is multihomed and therefore should have remained reachable.

Ticket No.:269:144
Subject:Maintenance Completed - I2 Optical DWDM System BOST-NEWY
Source Of Impact:Internal
Affected:DWDM System BOST-NEWY
AL2S Backbone BOST-NEWY
AL2S Connector NOX
NDDI Backbone CHIC-NEWY
IP Connector OARnet (CLEV)*
IP Connector NOX (WASH)*
Start Time:Wednesday, September 10, 2014, 4:31 AM (0431) UTC
End Time:Wednesday, September 10, 2014, 6:29 AM (0629) UTC
Description: DWDM System BOST-NEWY was unavailable while Internet2 Engineers with the assistance of Level(3) Communications converted a site from an amplifier to an add/drop in Hartford, CT. Maintenance has been successfully completed. * Denotes that the Entity is multihomed and therefore should remain reachable.

Ticket No.:292:144
Subject:Maintenance Completed- I2 AL2S for Atlanta, GA (Module Swap)
Source Of Impact:Internal
Affected:AL3S & AL2S Interconnect in ATLA
AL2S Backbone between Atlanta and Jackson
Start Time:Wednesday, September 10, 2014, 4:01 AM (0401) UTC
End Time:Wednesday, September 10, 2014, 6:01 AM (0601) UTC
Description: The above listed was unavailable while Internet2 Engineers performed maintenance in Atlanta, GA to swap out a card. Maintenance has been completed.

Ticket No.:386:144
Subject:Maintenance Completed - I2 AL2S Backbone ATLA-JCSN
Source Of Impact:Internal
Affected:AL3S & AL2S Interconnect in ATLA
AL2S Backbone ATLA-JCSN
Start Time:Saturday, September 13, 2014, 4:06 AM (0406) UTC
End Time:Saturday, September 13, 2014, 4:28 AM (0428) UTC
Description: The above listed were unavailable while Internet2 Engineers with the assistance of Level(3) Communications performed maintenance in Atlanta, GA to swap out a card. Maintenance has been completed. No further outages are expected.

Ticket No.:148:144
Subject:Maintenance Completed - I2 Optical Circuit I2-MINN-SEAT-100GE-09036
Source Of Impact:Vendor
Affected:AL2S Backbone MINN-SEAT
Start Time:Saturday, September 13, 2014, 2:15 PM (1415) UTC
End Time:Saturday, September 13, 2014, 3:33 PM (1533) UTC
Description: Optical circuit I2-MINN-SEAT-100GE-09036 was unavailable while Zayo Engineers performed a hot cut near the town of Rosebud, MT. Maintenance has been completed.


Downtime and Availability



Unified - Internet2 Advanced Layer 2 Service Core NodesDown TimeReporting Period Availability52 Week Availability
sdn-sw.albu.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.alba.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.ashb.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.atla.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.bato.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.bost.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.char.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.chic.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.clev.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.colu4.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.dall.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.denv.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.elpa.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.eqch.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.houh.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.jack.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.jcsn.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.kans.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.losa.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.minn.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.newy32aoa.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.phil.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.phoe.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.pitt.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.port.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.rale.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.salt.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.seat.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.star.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.sunn.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.tuls.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%
sdn-sw.wash.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000% 100.00000%

Aggregate Unified - Internet2 Advanced Layer 2 Service Core Nodes0 hr 0 min0 hr 0 min100.00000%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 Advanced Layer 2 Service Backbone CircuitsDown Time Reporting Period Availability52 Week Availability
I2-ALBA-BOST-100GE-09210 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-ALBA-CLEV-100GE-07735 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-ASHB-CHIC-100GE-11803 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.98520%99.99962%
I2-ASHB-PITT-100GE-07737 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99279%100.00000%
I2-ASHB-WASH-100GE-09106 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-ASHB-WASH-100GE-11823 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-ATLA-CHAR-100GE-07739 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-ATLA-CHIC-100GE-07740 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.94042%99.99943%
I2-ATLA-HOUH-10GE-07742 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-ATLA-JACK-100GE-07739 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99772%99.99981%
I2-ATLA-JCSN-100GE-10734 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-ATLA-JCSN-100GE-10784 2 hr 22 min0 hr 0 min 98.59127%100.00000% 99.95731%99.99943%
I2-ATLA-WASH-100GE-07738 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-BATO-HOUH-100GE-08860 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99943%100.00000%
I2-BATO-JACK-100GE-11005 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.83607%99.83815%
I2-BOST-NEWY32AOA-100GE-09211 3 hr 9 min0 hr 0 min 98.12500%100.00000% 99.96414%100.00000%
I2-CHAR-RALE-100GE-10633 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99753%100.00000%
I2-CHIC-COLU4-100GE-11554 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.98956%99.99943%
I2-CHIC-KANS-100GE-07745 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99488%99.99962%
I2-CHIC-STAR-100GE-07743 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99696%99.99962%
I2-CLEV-EQCH-100GE-07736 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.98292%99.99981%
I2-CLEV-NEWY32AOA-100GE-07735 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-CLEV-PITT-100GE-10334 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99279%100.00000%
I2-CLEV-STAR-100GE-07736 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-COLU4-KANS-100GE-11548 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.95257%99.98729%
I2-DALL-HOUH-100GE-07751 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-DALL-TULS-100GE-11300 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99639%100.00000%
I2-DENV-ELPA-100GE-07748 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99962%100.00000%
I2-DENV-KANS-100GE-07746 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99658%100.00000%
I2-DENV-SALT-100GE-07747 0 hr 4 min0 hr 4 min 99.96032%99.96032% 99.99924%99.99924%
I2-ELPA-HOUH-100GE-07749 0 hr 1 min0 hr 1 min 99.99008%99.99008% 99.99924%99.99981%
I2-ELPA-PHOE-100GE-07750 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-ELPA-TUCS-100GE-07750 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-EQCH-STAR-100GE-09299 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99488%100.00000%
I2-EQCH-MINN-100GE-12184 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99753%100.00000%
I2-HOUH-JCSN-100GE-10783 9 hr 51 min9 hr 51 min 94.13690%94.13690% 99.88711%99.88767%
I2-HOUH-TULS-100GE-07751 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-KANS-TULS-100GE-07753 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99298%100.00000%
I2-LOSA-PHOE-100GE-09190 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-LOSA-SALT-100GE-07757 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-LOSA-SUNN-100GE-07755 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-MINN-SEAT-100GE-09130 1 hr 18 min0 hr 0 min 99.22619%100.00000% 99.89337%99.99526%
I2-NEWY23AOA-PHIL-100GE-07759 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-PHIL-WASH-100GE-10867 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99962%99.99962%
I2-PORT-SEAT-100GE-08997 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99791%100.00000%
I2-PORT-SUNN-100GE-10343 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99431%100.00000%
I2-RALE-WASH-100GE-08888 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%
I2-SALT-SUNN-100GE-07766 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%100.00000%

Aggregate All Unified - Internet2 Advanced Layer 2 Service Backbone Circuits 16 hr 45 min6 hr 49 min 99.79229%99.87682% 99.98602%99.99383%


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.



Upcoming Scheduled Maintenances

Ticket No.:183:144
Subject:Maintenance - I2 Optical DWDM System PHIL-WASH
Affected:NDDI Backbone NEWY-WASH
AL2S Backbone PHIL-WASH
IP Backbone NEWY32AoA-WASH
Connector OARnet (WASH)*
Connector MAX Gigapop (WASH)*
Connector MAGPI
Connector Drexel
Start Time:Thursday, September 18, 2014, 4:00 AM (0400) UTC
End Time:Thursday, September 18, 2014, 6:00 AM (0600) UTC
Description: DWDM System PHIL-WASH will be unavailable while Level(3) Communications performs circuit maintenance in Perryville and Baltimore, MD. An outage is expected, and the entire window is reserved. *Denotes that the Entity is multihomed and therefore will remain reachable.*

Ticket No.:185:144
Subject:Maintenance - I2 Optical DWDM System HOUS-SANA
Affected:DWDM System HOUS-SANA
AL2S Backbone ELPA-HOUH
IP Backbone HOUS-LOSA
NDDI Backbone LOSA-WASH2
Start Time:Thursday, September 18, 2014, 5:00 AM (0500) UTC
End Time:Thursday, September 18, 2014, 11:00 AM (1100) UTC
Description: DWDM System HOUS-SANA will be unavailable while Level(3) Communications performs maintenance to repair damage from natural causes in Giddings, TX. An outage is expected, and the entire window is reserved.

Ticket No.:409:144
Subject:Maintenance - I2 Optical DWDM System DENV-KANS
Affected:DWDM System DENV-KANS
AL2S Backbone DENV-KANS
NDDI Backbone CHIC-SEAT
IP Backbone KANS-SALT
Start Time:Friday, September 19, 2014, 6:00 AM (0600) UTC
End Time:Friday, September 19, 2014, 10:00 AM (1000) UTC
Description: DWDM System DENV-KANS will be unavailable while Level(3) Communications perform hardware maintenance in Bethune, CO. Outages are expected; the entire window has been reserved.

Ticket No.:456:144
Subject:Maintenance - I2 AL2S Backbone BOST-NEWY32AOA
Affected:AL2S Backbone BOST-NEWY32AOA
IP Backbone CLEV-NEWY32AOA
Start Time:Monday, September 22, 2014, 8:00 AM (0800) UTC
End Time:Monday, September 22, 2014, 10:00 AM (1000) UTC
Description: The above listed will be unavailable while Internet2 Engineers perform maintenance to insert a new AL2S Node in Hartford, CT. An outage is expected, and the entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:73:144
Subject:Maintenance Rescheduled 1 of 2 - I2 Optical Various Circuits (Northern Tier)
Affected:Northern Tier Optical Circuits
Optical Member Canarie
Start Time:Tuesday, September 23, 2014, 7:00 AM (0700) UTC
End Time:Tuesday, September 23, 2014, 12:00 PM (1200) UTC
Description: *Please Note the Updated Maintenance Window* The above listed Optical circuits will be unavailable while Zayo Engineers perform maintenance. A outage of up to 3 hours is expected, however the entire maintenance window has been reserved. * This is the 1st of 2 maintenance windows *

Ticket No.:74:144
Subject:Maintenance Rescheduled 2 of 2 - I2 Optical Various Circuits (Northern Tier)
Affected:Northern Tier Optical Circuits
Optical Member Canarie
Start Time:Wednesday, September 24, 2014, 7:00 AM (0700) UTC
End Time:Wednesday, September 24, 2014, 12:00 PM (1200) UTC
Description: *Please Note the Updated Maintenance Window* The above listed Optical circuits will be unavailable while Zayo Engineers perform maintenance. A outage of up to 3 hours is expected, however the entire maintenance window has been reserved. * This is the 2nd of 2 maintenance windows *

Ticket No.:454:144
Subject:Maintenance 2 of 2 - I2 Optical Member CENIC
Affected:
Start Time:Wednesday, September 24, 2014, 7:00 AM (0700) UTC
End Time:Wednesday, September 24, 2014, 1:00 PM (1300) UTC
Description: Member CENIC's above-listed Optical circuits will be unavailable while CENIC Engineers perform maintenance. A brief outage is expected, however the entire maintenance window has been reserved. *This is maintenance is 2 of 2.*

Ticket No.:414:144
Subject:Maintenance Rescheduled - I2 Optical Circuit I2-COLU4-KANS-100GE-11579 and I2-COLU4-SAIN-100GE-11580
Affected:AL2S Backbone CHIC-COLU4
AL2S Backbone COLU4-KANS
Start Time:Friday, September 26, 2014, 5:00 AM (0500) UTC
End Time:Friday, September 26, 2014, 10:00 AM (1000) UTC
Description: *This maintenance has been rescheduled* The above listed circuits will be unavailable while MOREnet Fiber Vendor Engineers relocate fiber in Stanton, MO. An outage of up to 3 hours is expected, however the entire maintenance window has been reserved.

Ticket No.:266:144
Subject:Maintenance *Tracking* - I2 Optical Various Circuits (Northern Tier)
Affected:Northern Tier Optical Circuits
Start Time:Monday, September 29, 2014, 5:00 AM (0500) UTC
End Time:Friday, October 3, 2014, 10:00 AM (1000) UTC
Description: The above listed Optical circuits will remain available while Zayo Engineers perform maintenance. No outages are expected, however the entire maintenance window has been reserved.

Ticket No.:373:144
Subject:Maintenance Window 1 of 4 - I2 Optical Circuits I2-FARG-SEAT-10GE-09204 & I2-EQCH-FARG-10GE-09203
Affected:Optical Circuits EQCH-FARG and FARG-SEAT
Start Time:Tuesday, October 7, 2014, 6:00 AM (0600) UTC
End Time:Tuesday, October 7, 2014, 11:00 AM (1100) UTC
Description: The above listed will become unavailable while vendor engineers conduct maintenance to insert a new Infinera Node in Helena, Montana. An outage of 3 hours is anticipated; however the entire window has been reserved. This is maintenance window 1 of 4.

Ticket No.:387:144
Subject:Maintenance Window 2 of 4 - I2 Optical Circuits I2-FARG-SEAT-10GE-09204 & I2-EQCH-FARG-10GE-09203
Affected:Optical Circuits EQCH-FARG and FARG-SEAT
Start Time:Wednesday, October 8, 2014, 6:00 AM (0600) UTC
End Time:Wednesday, October 8, 2014, 11:00 AM (1100) UTC
Description: The above listed will become unavailable while vendor engineers conduct maintenance to insert a new Infinera Node in Helena, Montana. An outage of 3 hours is anticipated; however the entire window has been reserved. This is maintenance window 2 of 4.

Ticket No.:388:144
Subject:Maintenance Window 3 of 4 - I2 Optical Circuits I2-FARG-SEAT-10GE-09204 & I2-EQCH-FARG-10GE-09203
Affected:Optical Circuits EQCH-FARG and FARG-SEAT
Start Time:Thursday, October 9, 2014, 6:00 AM (0600) UTC
End Time:Thursday, October 9, 2014, 11:00 AM (1100) UTC
Description: The above listed will become unavailable while vendor engineers conduct maintenance to insert a new Infinera Node in Helena, Montana. An outage of 3 hours is anticipated; however the entire window has been reserved. This is maintenance window 3 of 4.

Ticket No.:389:144
Subject:Maintenance Window 4 of 4 - I2 Optical Circuits I2-FARG-SEAT-10GE-09204 & I2-EQCH-FARG-10GE-092034
Affected:Optical Circuits EQCH-FARG and FARG-SEAT
Start Time:Friday, October 10, 2014, 6:00 AM (0600) UTC
End Time:Friday, October 10, 2014, 11:00 AM (1100) UTC
Description: The above listed will become unavailable while vendor engineers conduct maintenance to insert a new Infinera Node in Helena, Montana. An outage of 3 hours is anticipated; however the entire window has been reserved. This is maintenance window 4 of 4.