Internet2 Advanced Layer 2 Service Network Operations Report
09/09/2013 - 09/15/2013

Internet2 Advanced Layer 2 Service 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
Start Time (UTC)

End Time (UTC)





7992-High
2-High

Internet2 Advanced Layer 2 Services Backbone Circuit SALT-SEAT Brief Outage
Undetermined
09/11/2013 7:22 PM
09/11/2013 7:25 PM


8022-High
2-High

Internet2 Advanced Layer 2 Services Backbone Circuit MINN-SEAT Outage Resolved
Unannounced Maintenance
09/12/2013 4:57 AM
09/12/2013 10:56 AM


8092-High
2-High

Internet2 Advanced Layer 2 Services Backbone Circuit DENV-KANS Brief Outage
Undetermined
09/13/2013 9:56 AM
09/13/2013 9:57 AM


8122-High
2-High

Internet2 Advanced Layer 2 Services Backbone Circuit CHIC-STAR Brief Outage
Undetermined
09/13/2013 1:51 PM
09/13/2013 1:52 PM


8302-High
2-High

Internet2 Advanced Layer 2 Services Backbone Circuit SALT-SUNN Brief Outage
Undetermined
09/15/2013 9:44 PM
09/15/2013 9:45 PM






Unscheduled Outages Detail






Ticket No.:799:135



Subject:Internet2 Advanced Layer 2 Services Backbone Circuit SALT-SEAT Brief Outage



Affected:Backbone Circuit SALT-SEAT



Start Time:Wednesday, September 11, 2013, 7:22 PM (1922) UTC



End Time:Wednesday, September 11, 2013, 7:25 PM (1925) UTC


Description:Backbone Circuit SALT-SEAT was briefly unavailable. Internet2
Engineers are investigating the cause; however, the reason for the
outage is pending.  Backbone traffic re-routed during the brief outage.







Ticket No.:802:135



Subject:Internet2 Advanced Layer 2 Services Backbone Circuit MINN-SEAT Outage Resolved



Affected:Backbone Circuit  MINN-SEAT



Start Time:Thursday, September 12, 2013, 4:57 AM (0457) UTC



End Time:Thursday, September 12, 2013, 10:56 AM (1056) UTC


Description:Backbone Circuit MINN-SEAT is unstable. Vendor Zayo has been
contacted, and the instability was due to unannounced maintenance.
Maintenance has been completed and no further outages are expected.







Ticket No.:809:135



Subject:Internet2 Advanced Layer 2 Services Backbone Circuit DENV-KANS Brief Outage



Affected:Backbone Circuit  DENV-KANS



Start Time:Friday, September 13, 2013, 9:56 AM (0956) UTC



End Time:Friday, September 13, 2013, 9:57 AM (0957) UTC


Description:Backbone Circuit DENV-KANS was briefly unavailable. Internet2
Engineers are investigating the cause; however, the
reason for the outage is pending.  Backbone traffic re-routed.







Ticket No.:812:135



Subject:Internet2 Advanced Layer 2 Services Backbone Circuit CHIC-STAR Brief Outage



Affected:Backbone Circuit CHIC-STAR



Start Time:Friday, September 13, 2013, 1:51 PM (1351) UTC



End Time:Friday, September 13, 2013, 1:52 PM (1352) UTC


Description:The above listed circuit was briefly unavailable.  Vendor Engineers
have been contacted.  No reason for outage has been provided.  Updates
will be provided as received.







Ticket No.:830:135



Subject:Internet2 Advanced Layer 2 Services Backbone Circuit SALT-SUNN Brief Outage



Affected:Backbone Circuit  SALT-SUNN



Start Time:Sunday, September 15, 2013, 9:44 PM (2144) UTC



End Time:Sunday, September 15, 2013, 9:45 PM (2145) UTC


Description:Backbone Circuit SALT-SUNN is now available following a brief outage.
Internet2 Engineers are investigating the cause; however, the
reason for the outage is pending.  Backbone traffic should have
re-routed.







Scheduled Maintenances Summary





Ticket Number
Customer Impact
Network Impact
Title

Maintenance Type
Start Time (UTC)
End Time (UTC)





778
3-Elevated
2-High

Internet2 Advanced Layer 2 Services Backbone Circuit ATLA-CHIC Maintenance Completed
Circuit
09/12/2013 5:56 AM
09/12/2013 5:57 AM


804
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node DENV Emergency Maintenance Completed
Software
09/13/2013 6:01 AM
09/13/2013 6:03 AM


805
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node CHIC Emergency Maintenance Completed
Software
09/13/2013 6:16 AM
09/13/2013 6:18 AM


806
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node KANS Emergency Maintenance Completed
Software
09/13/2013 6:06 AM
09/13/2013 6:09 AM


813
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (ATLA) Emergency Maintenance Completed
Software
09/15/2013 8:07 AM
09/15/2013 8:10 AM


815
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (CLEV) Emergency Maintenance Completed
Software
09/15/2013 8:21 AM
09/15/2013 8:24 AM


816
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (ELPA) Emergency Maintenance Completed
Software
09/15/2013 8:56 AM
09/15/2013 8:59 AM


817
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (HOUH) Emergency Maintenance Completed
Software
09/15/2013 8:34 AM
09/15/2013 8:37 AM


818
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (JACK) Emergency Maintenance Completed
Software
09/15/2013 8:14 AM
09/15/2013 8:17 AM


819
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (LOSA) Emergency Maintenance Completed
Software
09/15/2013 9:03 AM
09/15/2013 9:06 AM


820
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (NEWY) Emergency Maintenance Completed
Software
09/15/2013 8:00 AM
09/15/2013 8:03 AM


821
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (PITT) Emergency Maintenance Completed
Software
09/15/2013 8:21 AM
09/15/2013 8:23 AM


822
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (SALT) Emergency Maintenance Completed
Software
09/15/2013 8:49 AM
09/15/2013 8:52 AM


823
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (STAR) Emergency Maintenance Completed
Software
09/15/2013 8:23 AM
09/15/2013 8:30 AM


825
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (SUNN) Emergency Maintenance Completed
Software
09/15/2013 8:10 AM
09/15/2013 9:13 AM


826
3-Elevated
1-Critical

Internet2 Advanced Layer 2 Services Core Node (TULS) Emergency Maintenance Completed
Software
09/15/2013 8:42 AM
09/15/2013 8:45 AM




Scheduled Maintenances Detail





Ticket No.:778:135



Subject:Internet2 Advanced Layer 2 Services Backbone Circuit ATLA-CHIC Maintenance Completed



Affected:Backbone Circuit ATLA-CHIC



Start Time:Thursday, September 12, 2013, 5:56 AM (0556) UTC



End Time:Thursday, September 12, 2013, 5:57 AM (0557) UTC


Description:   Backbone Circuit ATLA-CHIC was unavailable while Level(3) Engineers
performed maintenance.  Maintenance has been completed.



  







Ticket No.:804:135



Subject:Internet2 Advanced Layer 2 Services Core Node DENV Emergency Maintenance Completed



Affected:Core Node DENV and its Connector(s) and Participants



Start Time:Friday, September 13, 2013, 6:01 AM (0601) UTC



End Time:Friday, September 13, 2013, 6:03 AM (0603) UTC


Description:   Core Node DENV was briefly unavailable while Internet2 Engineers performed
Core Node software maintenance to
enable error correction.  Maintenance has been completed.  All
connections to the Core Node were affected.



  







Ticket No.:805:135



Subject:Internet2 Advanced Layer 2 Services Core Node CHIC Emergency Maintenance Completed



Affected:Core Node CHIC and its Connector(s) and Participants



Start Time:Friday, September 13, 2013, 6:16 AM (0616) UTC



End Time:Friday, September 13, 2013, 6:18 AM (0618) UTC


Description:   Core Node CHIC was briefly unavailable while Internet2 Engineers performed
Core Node software maintenance to
enable error correction.  Maintenance has been completed.  All
connections to the Core Node were affected.



  







Ticket No.:806:135



Subject:Internet2 Advanced Layer 2 Services Core Node KANS Emergency Maintenance Completed



Affected:Core Node KANS and its Connector(s) and Participants



Start Time:Friday, September 13, 2013, 6:06 AM (0606) UTC



End Time:Friday, September 13, 2013, 6:09 AM (0609) UTC


Description:   Core Node KANS was unavailable while Internet2 Engineers performed
Core Node software maintenance to enable error correction. All
connections to the Core Node were affected.



  







Ticket No.:813:135



Subject:Internet2 Advanced Layer 2 Services Core Node (ATLA) Emergency Maintenance Completed



Affected:Core Node ATLA and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:07 AM (0807) UTC



End Time:Sunday, September 15, 2013, 8:10 AM (0810) UTC


Description:   Core Node ATLA  was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  







Ticket No.:815:135



Subject:Internet2 Advanced Layer 2 Services Core Node (CLEV) Emergency Maintenance Completed



Affected:Core Node CLEV and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:21 AM (0821) UTC



End Time:Sunday, September 15, 2013, 8:24 AM (0824) UTC


Description:   Core Node CLEV was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  







Ticket No.:816:135



Subject:Internet2 Advanced Layer 2 Services Core Node (ELPA) Emergency Maintenance Completed



Affected:Core Node ELPA and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:56 AM (0856) UTC



End Time:Sunday, September 15, 2013, 8:59 AM (0859) UTC


Description:   Core Node ELPA was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  







Ticket No.:817:135



Subject:Internet2 Advanced Layer 2 Services Core Node (HOUH) Emergency Maintenance Completed



Affected:Core Node HOUH and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:34 AM (0834) UTC



End Time:Sunday, September 15, 2013, 8:37 AM (0837) UTC


Description:   Core Node HOUH was briefly unavailable while Internet2 
Engineers performed software maintenance to resolve switch 
fabric errors on the switch. Maintenance has been completed. 
All connections  to the Core Node were affected.



  







Ticket No.:818:135



Subject:Internet2 Advanced Layer 2 Services Core Node (JACK) Emergency Maintenance Completed



Affected:Core Node JACK and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:14 AM (0814) UTC



End Time:Sunday, September 15, 2013, 8:17 AM (0817) UTC


Description:   Core Node JACK was briefly unavailable while Internet2 
Engineers performed software maintenance to resolve switch 
fabric errors on the switch. Maintenance has been completed. 
All connections to the Core Node were affected..



  







Ticket No.:819:135



Subject:Internet2 Advanced Layer 2 Services Core Node (LOSA) Emergency Maintenance Completed



Affected:Core Node LOSA and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 9:03 AM (0903) UTC



End Time:Sunday, September 15, 2013, 9:06 AM (0906) UTC


Description:   Core Node LOSA was briefly unavailable while Internet2 
Engineers performed software maintenance to resolve switch 
fabric errors on the switch. Maintenance has been 
completed.Traffic re-routed during this maintenance.



  







Ticket No.:820:135



Subject:Internet2 Advanced Layer 2 Services Core Node (NEWY) Emergency Maintenance Completed



Affected:Core Node NEWY and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:00 AM (0800) UTC



End Time:Sunday, September 15, 2013, 8:03 AM (0803) UTC


Description:   Core Node NEWY was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  







Ticket No.:821:135



Subject:Internet2 Advanced Layer 2 Services Core Node (PITT) Emergency Maintenance Completed



Affected:Core Node PITT and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:21 AM (0821) UTC



End Time:Sunday, September 15, 2013, 8:23 AM (0823) UTC


Description:   Core Node PITT was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  







Ticket No.:822:135



Subject:Internet2 Advanced Layer 2 Services Core Node (SALT) Emergency Maintenance Completed



Affected:Core Node SALT and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:49 AM (0849) UTC



End Time:Sunday, September 15, 2013, 8:52 AM (0852) UTC


Description:   Core Node SALT was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  







Ticket No.:823:135



Subject:Internet2 Advanced Layer 2 Services Core Node (STAR) Emergency Maintenance Completed



Affected:Core Node STAR and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:23 AM (0823) UTC



End Time:Sunday, September 15, 2013, 8:30 AM (0830) UTC


Description:   Core Node STAR was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  







Ticket No.:825:135



Subject:Internet2 Advanced Layer 2 Services Core Node (SUNN) Emergency Maintenance Completed



Affected:Core Node SUNN and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:10 AM (0810) UTC



End Time:Sunday, September 15, 2013, 9:13 AM (0913) UTC


Description:   Core Node SUNN was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  







Ticket No.:826:135



Subject:Internet2 Advanced Layer 2 Services Core Node (TULS) Emergency Maintenance Completed



Affected:Core Node TULS and its Connector(s) and Participants



Start Time:Sunday, September 15, 2013, 8:42 AM (0842) UTC



End Time:Sunday, September 15, 2013, 8:45 AM (0845) UTC


Description:   Core Node TULS was briefly unavailable while Internet2 Engineers
performed software maintenance to resolve switch fabric errors on the
switch. Maintenance has been completed. All connections  to the Core
Node were affected.



  










Downtime and Availability







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.ashb.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000 99.99772%  100.00000
sdn-sw.atla.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97401%  100.00000
sdn-sw.bost.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000 99.99791%  100.00000
sdn-sw.chic.net.internet2.edu 0 hr 2 min0 hr 0 min 99.98016%100.00000 99.97856%  100.00000
sdn-sw.clev.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97856%  100.00000
sdn-sw.denv.net.internet2.edu 0 hr 2 min0 hr 0 min 99.98016%100.00000 99.97913%  100.00000
sdn-sw.elpa.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97951%  100.00000
sdn-sw.houh.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97894%  100.00000
sdn-sw.jack.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97970%  100.00000
sdn-sw.kans.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97875%  100.00000
sdn-sw.losa.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97913%  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 2 min0 hr 0 min 99.98016%100.00000 99.97932%  100.00000
sdn-sw.pitt.net.internet2.edu 0 hr 2 min0 hr 0 min 99.98016%100.00000 99.99962%  100.00000
sdn-sw.phoe.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000 99.99791%  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 99.69756%  99.73664
sdn-sw.salt.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97894%  100.00000
sdn-sw.seat.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000 99.99374%  100.00000
sdn-sw.star.net.internet2.edu 0 hr 7 min0 hr 0 min 99.93056%100.00000 99.97799%  100.00000
sdn-sw.sunn.net.internet2.edu 1 hr 3 min0 hr 0 min 99.37500%100.00000 99.96718%  100.00000
sdn-sw.tuls.net.internet2.edu 0 hr 3 min0 hr 0 min 99.97024%100.00000 99.97761%  100.00000
sdn-sw.wash.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000 99.97818%  100.00000
      
Aggregate Internet2 Advanced Layer 2 Service Core Nodes1 hr 45 min0 hr 0 min99.95660%100.00000%99.97292%99.98903%

 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.  
	    

	    
Internet2 Advanced Layer 2 Service Backbone CircuitsDown Time
Reporting Period Availability52 Week Availability


I2-ASHB-PITT-100GE-07737
               0 hr 2 min0 hr 0 min
               99.98016%100.00000%
               99.99962%100.00000%
I2-ATLA-CHIC-100GE-07740
               0 hr 6 min0 hr 0 min
               99.94048%100.00000%
               99.51598%99.59244%
I2-ATLA-HOUH-10GE-07742
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.36058%99.36608%
I2-ATLA-JACK-100GE-07739
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.36058%99.36608%
I2-ATLA-WASH-100GE-07738
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.91329%99.91803%
I2-CHIC-KANS-100GE-07745
               0 hr 2 min0 hr 0 min
               99.98016%100.00000%
               99.97173%100.00000%
I2-CHIC-STAR-100GE-07743
               0 hr 10 min0 hr 1 min
               99.90079%99.99008%
               99.88521%99.89375%
I2-CLEV-NEWY32AOA-100GE-07735
               0 hr 2 min0 hr 0 min
               99.98016%100.00000%
               99.57366%99.60819%
I2-CLEV-PITT-100GE-10334
               0 hr 5 min0 hr 0 min
               99.95040%100.00000%
               99.99905%100.00000%
I2-CLEV-STAR-100GE-07736
               0 hr 12 min0 hr 0 min
               99.88095%100.00000%
               99.95921%99.99658%
I2-DENV-KANS-100GE-07746
               0 hr 1 min0 hr 1 min
               99.99008%99.99008%
               99.85428%99.90930%
I2-DENV-SALT-100GE-07747
               0 hr 3 min0 hr 0 min
               99.97024%100.00000%
               99.96129%100.00000%
I2-ELPA-HOUH-100GE-07749
               0 hr 6 min0 hr 0 min
               99.94048%100.00000%
               99.42775%99.49795%
I2-ELPA-LOSA-100GE-07750
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.87743%99.88369%
I2-HOUH-TULS-100GE-07751
               0 hr 6 min0 hr 0 min
               99.94048%100.00000%
               99.76529%99.79356%
I2-KANS-TULS-100GE-07753
               0 hr 3 min0 hr 0 min
               99.97024%100.00000%
               99.91462%99.91519%
I2-LOSA-SALT-100GE-07757
               0 hr 6 min0 hr 0 min
               99.94048%100.00000%
               99.99412%99.99962%
I2-LOSA-SUNN-100GE-07755
               1 hr 6 min0 hr 0 min
               99.34524%100.00000%
               99.88426%99.89735%
I2-NEWY23AOA-WASH-100GE-07759
               0 hr 2 min0 hr 0 min
               99.98016%100.00000%
               99.98141%99.99336%
I2-PORT-SEAT-100GE-08997
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               100.00000%100.00000%
I2-PORT-SUNN-100GE-10343
               1 hr 3 min0 hr 0 min
               99.37500%100.00000%
               99.98805%100.00000%
I2-SALT-SUNN-100GE-07766
               1 hr 7 min0 hr 1 min
               99.33532%99.99008%
               99.88654%99.91158%
      
Aggregate All Internet2 Advanced Layer 2 Service Backbone Circuits
                   8 hr 41 min4 hr 22 min
                   99.88186%99.99865%
                   99.82154%99.84285%


 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.:796:135



Subject:Internet2 Advanced Layer 2 Services Backbone Circuit DENV-SALT Maintenance



Affected:Backbone Circuit DENV-SALT



Start Time:Wednesday, September 25, 2013, 6:00 AM (0600) UTC



End Time:Wednesday, September 25, 2013, 12:00 PM (1200) UTC



Description:   Backbone Circuit DENV-SALT will be unavailable while Level(3)
Communications fiber relocation maintenance in Broomfield, CO.  An
outage of 2 hours is expected; however the entire window is reserved.  
Backbone traffic will re-route during this maintenance.



  







Ticket No.:797:135



Subject:Internet2 Advanced Layer 2 Services Backbone Circuit DENV-SALT Maintenance Alternate Window



Affected:Backbone Circuit DENV-SALT



Start Time:Thursday, September 26, 2013, 6:00 AM (0600) UTC



End Time:Thursday, September 26, 2013, 12:00 PM (1200) UTC



Description:   Backbone Circuit DENV-SALT will be unavailable while Level(3)
Communications fiber relocation maintenance in Broomfield, CO.  An
outage of 2 hours is expected; however the entire window is reserved.
Backbone traffic will re-route during this maintenance. This is an 
alternate window for 796:135 should it be required.