CEN Layer 3 Network Operations Report
12/07/2017 - 12/20/2017

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)

78943-Elevated 2-High Outage Resolved - CEN Backbone ENRTSPRG-EX1-ENRT078C-9K (enon155l-6500-1.net.cen.ct.gov) Circuit - Damaged FiberVendor 12/06/2017 1:37 AM 12/07/2017 12:39 AM
79683-Elevated 2-High Outage Resolved - CEN DWDM System ENON083H-ENON095H Circuit - Damaged FiberVendor 12/15/2017 5:48 PM 12/15/2017 7:13 PM

Unscheduled Outages Detail


Ticket No.:7894:95
Subject:Outage Resolved - CEN Backbone ENRTSPRG-EX1-ENRT078C-9K (enon155l-6500-1.net.cen.ct.gov)
Source Of Impact:Vendor
Affected:Backbone ENRTSPRG-EX1-ENRT078C-9K (enon155l-6500-1)
Start Time:Wednesday, December 6, 2017, 1:37 AM (0137) UTC
End Time:Thursday, December 7, 2017, 12:39 AM (0039) UTC
Description:Core Backbone ENRTSPRG-EX1-ENRT078C-9K is now available. Lightower Engineering has been contacted, and identified a fiber break. The fiber break has been fixed, restoring connection to the backbone. No further outages are expected. Traffic was re-routed during the outage.

Ticket No.:7968:95
Subject:Outage Resolved - CEN DWDM System ENON083H-ENON095H
Source Of Impact:Vendor
Affected:Backbone ENRT064HHH-9K-ENRT069H-EX1
Backbone ENRT083H-9K-ENRT078C-9K
Start Time:Friday, December 15, 2017, 5:48 PM (1748) UTC
End Time:Friday, December 15, 2017, 7:13 PM (1913) UTC
Description:DWDM System DWDM System ENON083H-ENON095H is now available. CEN and Lightower Engineers have been contacted and the reason for outage is a fiber cut between New London and Middlesex CC.

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%99.98918%
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.gov0 hr 0 min100.00000%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%100.00000%
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%99.99431%
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 0 min100.00000%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 Nodes0 hr 0 min100.00000%99.99858%

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-021131 hr 25 min99.57837%99.98387%
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%99.61673%
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%99.99715%
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-021450 hr 0 min100.00000%99.93226%
CEN-074H-151H-10GE-021400 hr 0 min100.00000%100.00000%
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-021261 hr 25 min99.57837%99.98387%
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%99.36589%
CEN-078HH-156H-10GE-021500 hr 0 min100.00000%99.36779%
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%99.99715%
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-021410 hr 0 min100.00000%99.93226%
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 Circuits2 hr 50 min99.99309%99.97036%




Upcoming Scheduled Maintenances

Ticket No.:7987:95
Subject:Maintenance - CEN Inline Netflow Configuration, Hartford ENRT064HHH-MX
Affected:Core Node ENRT064HHH-MX
Start Time:Saturday, December 23, 2017, 2:00 AM (0200) UTC
End Time:Saturday, December 23, 2017, 3:00 AM (0300) UTC
Description: Core Node ENRT064HHH-MX will remain available while CEN Engineers perform software maintenance. No outages are expected; however, the entire window is reserved. Traffic will reroute.

Ticket No.:8005:95
Subject:Maintenance - CEN Core Nodes ENRT078HHH-MX and ENRT078C-9K (BGP Peering Turn-Ups)
Affected:Core Node ENRT078HHH-MX
Core Node ENRT078C-9K
Start Time:Wednesday, December 27, 2017, 2:00 AM (0200) UTC
End Time:Wednesday, December 27, 2017, 4:00 AM (0400) UTC
Description: BGP sessions off of Core Nodes ENRT078HHH-MX and ENRT078C-9K will become unavailable while CEN Engineers perform maintenance to turn up new peerings. Outages are expected and the entire window is reserved.

Ticket No.:7964:95
Subject:Maintenance - CEN Member University of Connecticut Waterbury
Affected:Member University of Connecticut Waterbury
Start Time:Wednesday, December 27, 2017, 9:00 PM (2100) UTC
End Time:Wednesday, December 27, 2017, 10:00 PM (2200) UTC
Description: Member University of Connecticut Waterbury will be unavailable while University of Connecticut Waterbury Engineers perform maintenance. An outage is expected and the entire window is reserved.

Ticket No.:7806:95
Subject:Maintenance - CEN Core Node ENRT156H-MX1 (Software Upgrade to 16.1R5)
Affected:Core Node ENRT156H-MX1
Start Time:Sunday, January 7, 2018, 7:00 AM (0700) UTC
End Time:Sunday, January 7, 2018, 10:00 AM (1000) UTC
Description: High Level: CEN will be performing a software upgrade on a core router in West Haven on Sun. morning, 1/7, 2am - 5am ET. There are expected to be 4 disruptions to network connectivity over the 3 hour window, with durations of no more than 5 minutes each. Technical details: Router: enrt156h-mx (CORE-NODE) A conference bridge will be opened to facilitate pre + post checks. Join WebEx meeting: https://uconn-cmr.webex.com/uconn-cmr/j.php? MTID=md418e8ace4380821bfe863969ebc7aef Meeting number (access code): 311 957 020 Join by phone +1-415-655-0002 US Toll IMPORTANT NOTICE: Please note that this WebEx service allows audio and other information sent during the session to be recorded, which may be discoverable in a legal matter. By joining this session, you automatically consent to such recordings. If you do not consent to being recorded, discuss your concerns with the host or do not join the session.