CEN Layer 3 Network Operations Report
10/12/2017 - 10/25/2017

CEN Layer 3 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)

75583-Elevated 3-Elevated Availability - CEN Peer Facebook Cache UndeterminedUndetermined 10/12/2017 9:10 PM 10/12/2017 9:40 PM
75853-Elevated 3-Elevated Availability - CEN Peer Facebook Cache UndeterminedUndetermined 10/18/2017 5:00 PM 10/18/2017 5:40 PM
75993-Elevated 2-High Outage Resolved - CEN DWDM System ENON74H-ENON162H Circuit - Damaged FiberVendor 10/19/2017 5:22 PM 10/19/2017 11:19 PM
76083-Elevated 1-Critical Brief Outage Resolved - CEN Core Node ENRT135I-ME UndeterminedUndetermined 10/21/2017 8:22 PM 10/21/2017 8:27 PM

Unscheduled Outages Detail


Ticket No.:7558:95
Subject:Availability - CEN Peer Facebook Cache
Source Of Impact:Undetermined
Affected:Peer Facebook Cache
Start Time:Thursday, October 12, 2017, 9:10 PM (2110) UTC
End Time:Thursday, October 12, 2017, 9:40 PM (2140) UTC
Description:BGP to Facebook Cache is now available.

Ticket No.:7585:95
Subject:Availability - CEN Peer Facebook Cache
Source Of Impact:Undetermined
Affected:Peer Facebook Cache
Start Time:Wednesday, October 18, 2017, 5:00 PM (1700) UTC
End Time:Wednesday, October 18, 2017, 5:40 PM (1740) UTC
Description:CEN Peer BGP to Facebook Cache is now available. Service has remained available for nearly 24 hours. Closing.

Ticket No.:7599:95
Subject:Outage Resolved - CEN DWDM System ENON74H-ENON162H
Source Of Impact:Vendor
Affected:Backbone ENRT162H-EX1 - ENRT151H-9K
Backbone ENRT074H-9K - ENRT078C-9K
Start Time:Thursday, October 19, 2017, 5:22 PM (1722) UTC
End Time:Thursday, October 19, 2017, 11:19 PM (2319) UTC
Description:DWDM System ENON74H-ENON162H is now available. CEN and Lightower Engineers have been contacted; and the reason for outage was damaged fiber. Traffic re-routed. Lightower has completed repairs and service is restored.

Ticket No.:7608:95
Subject:Brief Outage Resolved - CEN Core Node ENRT135I-ME
Source Of Impact:Undetermined
Affected:Core Node ENRT135I-ME
Start Time:Saturday, October 21, 2017, 8:22 PM (2022) UTC
End Time:Saturday, October 21, 2017, 8:27 PM (2027) UTC
Description:Core Node ENRT135I-ME was briefly unavailable. UCONN Stamford and CEN Engineers have been contacted and the reason for outage was determined to be power loss. The cause of power failure was the battery. CEN Engineering plans dispatch to the Core Node on Friday to repair or replace the UPS.

Scheduled Maintenances Summary

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

None during this report period

Downtime and Availability



CEN Layer 3 Core NodesDown TimeReporting Period Availability52 Week Availability
ENRT002H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT002H.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT002I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT015H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT015H.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT015I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT034H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT034I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043B.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043C.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043D.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043E.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043F.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043G.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043H.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043I.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043P.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043Q.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043R.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043RRV6.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT043U.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT049H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT049I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT062H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT062H.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT062I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT064H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT064H.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT064I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT064W.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT064X.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT069H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT069I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT074H-9K.net.cen.ct.gov0 hr 0 min100.00000%99.99032%
ENRT074I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT078C-9K.net.cen.ct.gov1 hr 9 min99.65774%99.96414%
ENRT078H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT078I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT080H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT080I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT083H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT083I-ME.net.cen.ct.gov0 hr 0 min100.00000%99.74917%
ENRT089H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT089I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT095H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT095H.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT095I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT095R.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT104H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT104I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT130H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT130I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT135H-9K.net.cen.ct.gov0 hr 0 min100.00000%99.98406%
ENRT135H.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT135I-ME.net.cen.ct.gov0 hr 5 min99.97520%99.98311%
ENRT151H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT151H.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT151I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT154H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT154I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT156H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT156I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT162H-9K.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRT162I-ME.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRTCAMB.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRTCAMB-A.net.cen.ct.gov0 hr 0 min100.00000%100.00000%
ENRTSPRG.net.cen.ct.gov0 hr 0 min100.00000%100.00000%

Aggregate CEN Layer 3 Core Nodes1 hr 14 min99.99452%99.99509%

CEN Layer 3 Backbone CircuitsDown TimeReporting Period Availability52 Week Availability
CEN-002H-002H-10GE-021630 hr 0 min100.00000%100.00000%
CEN-002H-151H-10GE-021420 hr 0 min100.00000%100.00000%
CEN-002H-156H-10GE-021300 hr 0 min100.00000%100.00000%
CEN-015H-015H-GIGE-021680 hr 0 min100.00000%100.00000%
CEN-015H-135H-10GE-015190 hr 0 min100.00000%100.00000%
CEN-015H-151H-10GE-021340 hr 0 min100.00000%100.00000%
CEN-015H-156H-10GE-021430 hr 0 min100.00000%100.00000%
CEN-034H-034H-10GE-021710 hr 0 min100.00000%100.00000%
CEN-034H-151H-10GE-021390 hr 0 min100.00000%100.00000%
CEN-034H-156H-10GE-021310 hr 0 min100.00000%100.00000%
CEN-043H-043H-10GE-019920 hr 0 min100.00000%100.00000%
CEN-043H-043H-10GE-019930 hr 0 min100.00000%100.00000%
CEN-043H-043H-10GE-019950 hr 0 min100.00000%100.00000%
CEN-043H-043H-10GE-020970 hr 0 min100.00000%100.00000%
CEN-043H-043H-10GE-022030 hr 0 min100.00000%100.00000%
CEN-043H-043H-10GE-022070 hr 0 min100.00000%100.00000%
CEN-043H-043H-10GE-022080 hr 0 min100.00000%100.00000%
CEN-043H-043H-10GE-022570 hr 0 min100.00000%100.00000%
CEN-043H-043H-20G-019940 hr 0 min100.00000%100.00000%
CEN-043H-043H-20GE-022010 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-016650 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-016850 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-016860 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-016950 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-016960 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-016970 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-016990 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-017000 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-017010 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-019410 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-019440 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-019450 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-019650 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-019660 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-020350 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-020360 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-020680 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-020690 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-020940 hr 0 min100.00000%100.00000%
CEN-043H-043H-GIGE-020950 hr 0 min100.00000%100.00000%
CEN-043H-062H-10GE-021160 hr 0 min100.00000%100.00000%
CEN-043H-064H-10GE-021080 hr 0 min100.00000%100.00000%
CEN-043H-064H-10GE-037170 hr 0 min100.00000%100.00000%
CEN-043H-064HH-10GE-019320 hr 0 min100.00000%100.00000%
CEN-043H-064HH-20G-019340 hr 0 min100.00000%100.00000%
CEN-043H-069H-10GE-021130 hr 0 min100.00000%100.00000%
CEN-043H-077V-10GE-029550 hr 0 min100.00000%98.25573%
CEN-043H-078H-10GE-028990 hr 0 min100.00000%100.00000%
CEN-043H-078HH-10GE-021060 hr 0 min100.00000%100.00000%
CEN-043H-078HH-10GE-021110 hr 0 min100.00000%100.00000%
CEN-043H-078HH-10GE-022540 hr 0 min100.00000%100.00000%
CEN-043H-078HH-10GE-022550 hr 0 min100.00000%100.00000%
CEN-043H-078HH-20GE-022020 hr 0 min100.00000%100.00000%
CEN-043H-078HH-20GE-022530 hr 0 min100.00000%100.00000%
CEN-043H-080H-10GE-021120 hr 0 min100.00000%100.00000%
CEN-043H-083H-10GE-021190 hr 0 min100.00000%100.00000%
CEN-043H-089H-10GE-021100 hr 0 min100.00000%100.00000%
CEN-043H-104H-10GE-021200 hr 0 min100.00000%99.99810%
CEN-043H-151H-10GE-021140 hr 0 min100.00000%100.00000%
CEN-043H-151H-10GE-021150 hr 0 min100.00000%100.00000%
CEN-043H-151H-10GE-021530 hr 0 min100.00000%100.00000%
CEN-043H-156H-10GE-021170 hr 0 min100.00000%100.00000%
CEN-043H-156H-10GE-021180 hr 0 min100.00000%100.00000%
CEN-043H-156H-20GE-021070 hr 0 min100.00000%100.00000%
CEN-043H-SPRG-10GE-035610 hr 0 min100.00000%100.00000%
CEN-049H-049H-10GE-021800 hr 0 min100.00000%100.00000%
CEN-049H-078HH-10GE-021210 hr 0 min100.00000%100.00000%
CEN-062H-062H-10GE-021740 hr 0 min100.00000%100.00000%
CEN-062H-156H-10GE-021440 hr 0 min100.00000%100.00000%
CEN-064B-064H-10GE-022770 hr 0 min100.00000%100.00000%
CEN-064H-064H-10GE-021750 hr 0 min100.00000%100.00000%
CEN-064H-078HH-10GE-021230 hr 0 min100.00000%99.99829%
CEN-064HH-064HH-GIGE-017860 hr 0 min100.00000%100.00000%
CEN-064HH-064HH-GIGE-017870 hr 0 min100.00000%100.00000%
CEN-064HH-CAMB-GIGE-020920 hr 0 min100.00000%100.00000%
CEN-069H-078HH-10GE-021240 hr 0 min100.00000%100.00000%
CEN-074H-074H-10GE-022300 hr 0 min100.00000%100.00000%
CEN-074H-078HH-10GE-021455 hr 57 min98.22917%99.93226%
CEN-074H-151H-10GE-021400 hr 0 min100.00000%99.84631%
CEN-078H-078H-GIGE-029470 hr 0 min100.00000%100.00000%
CEN-078H-078H-GIGE-029480 hr 0 min100.00000%100.00000%
CEN-078H-078H-GIGE-029490 hr 0 min100.00000%100.00000%
CEN-078H-162H-10GE-021600 hr 0 min100.00000%100.00000%
CEN-078HH-078HH-10GE-022340 hr 0 min100.00000%100.00000%
CEN-078HH-078HH-10GE-022390 hr 0 min100.00000%100.00000%
CEN-078HH-078HH-10GE-029110 hr 0 min100.00000%100.00000%
CEN-078HH-078HH-10GE-029460 hr 0 min100.00000%100.00000%
CEN-078HH-078HH-20GE-022520 hr 0 min100.00000%100.00000%
CEN-078HH-083H-10GE-021260 hr 0 min100.00000%100.00000%
CEN-078HH-089H-10GE-021220 hr 0 min100.00000%100.00000%
CEN-078HH-095H-10GE-021270 hr 0 min100.00000%100.00000%
CEN-078HH-104H-10GE-021250 hr 0 min100.00000%100.00000%
CEN-078HH-104H-10GE-022510 hr 0 min100.00000%100.00000%
CEN-078HH-154H-10GE-021280 hr 0 min100.00000%99.99810%
CEN-078HH-156H-10GE-021490 hr 0 min100.00000%99.36684%
CEN-078HH-156H-10GE-021500 hr 0 min100.00000%99.36874%
CEN-078HH-156H-30GE-021470 hr 0 min100.00000%99.99279%
CEN-078HH-162H-10GE-021520 hr 0 min100.00000%100.00000%
CEN-078HH-CAMB-10GE-021510 hr 0 min100.00000%99.96262%
CEN-078HH-CAMB-20GE-021460 hr 0 min100.00000%100.00000%
CEN-080H-080H-10GE-022350 hr 0 min100.00000%100.00000%
CEN-080H-083H-10GE-021550 hr 0 min100.00000%100.00000%
CEN-080H-156H-10GE-021540 hr 0 min100.00000%100.00000%
CEN-083H-083H-10GE-022360 hr 0 min100.00000%100.00000%
CEN-095H-095H-GIGE-019670 hr 0 min100.00000%100.00000%
CEN-095H-095H-GIGE-019680 hr 0 min100.00000%100.00000%
CEN-095H-156H-10GE-021570 hr 0 min100.00000%99.99810%
CEN-130H-151H-10GE-021380 hr 0 min100.00000%100.00000%
CEN-130H-156H-10GE-021580 hr 0 min100.00000%100.00000%
CEN-135H-135H-GIGE-019760 hr 0 min100.00000%100.00000%
CEN-135H-151H-10GE-021610 hr 0 min100.00000%100.00000%
CEN-135H-156H-10GE-021620 hr 0 min100.00000%100.00000%
CEN-151H-156H-10GE-021360 hr 0 min100.00000%99.99981%
CEN-151H-156H-10GE-021370 hr 0 min100.00000%99.99981%
CEN-151H-156H-20GE-021330 hr 0 min100.00000%99.99981%
CEN-151H-162H-10GE-021415 hr 57 min98.22917%99.77857%
CEN-154H-156H-10GE-021590 hr 0 min100.00000%100.00000%
CEN-156H-156H-GIGE-022150 hr 0 min100.00000%100.00000%
CEN-CAMB-CAMB-ECHN-023130 hr 0 min100.00000%100.00000%
CEN-CAMB-CAMB-ECHN-023140 hr 0 min100.00000%100.00000%
CEN-CAMB-SPRG-10GE-020080 hr 0 min100.00000%100.00000%
CEN-CAMB-SPRG-20G-020060 hr 0 min100.00000%100.00000%

Aggregate All CEN Layer 3 Backbone Circuits11 hr 54 min99.97097%99.97128%




Upcoming Scheduled Maintenances

Ticket No.:7639:95
Subject:Maintenance - CEN Various Member Backbones
Affected:Member Backbone ENRT025B-ENRT080A
Member Backbone ENRT080-V-ENRT080A
Member Backbone ENRT080-V-ENRT080H
Member Backbone ENRT080T-ENRT080H
Start Time:Friday, October 27, 2017, 9:00 AM (0900) UTC
End Time:Friday, October 27, 2017, 11:00 AM (1100) UTC
Description: The above listed will be unavailable while CEN and Lightower Engineers perform fiber maintenance. An outage is expected and the entire window is reserved. Traffic will reroute.

Ticket No.:7590:95
Subject:Maintenance - CEN Member Node ENRT084-V
Affected:Member Node ENRT084-V
Start Time:Friday, November 3, 2017, 4:00 AM (0400) UTC
End Time:Friday, November 3, 2017, 6:00 AM (0600) UTC
Description: Member Node ENRT084-V will be unavailable while Lightower Engineers perform cable replacement maintenance. An outage is expected and the entire window is reserved.