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Derek Calderon

Network Border Maintenance, 6/20/17 7AM

June 20, 2017 by Derek Calderon

We will be performing maintenance at the EECS network border at 7AM on Tues. June 20th. There may be a brief loss of connectivity between EECS and outside networks at this time.

If a loss of connectivity occurs, we expect it will likely last less than five minutes. In this event, the following traffic paths would be interrupted:

* EECS to campus networks
* EECS to Internet
* EECS to Millennium research

The following will not be affected:

* Traffic within EECS networks
* Millennium research connectivity to campus/Internet
* Science DMZ
* Private networks in the EECS DMZ (CESR, DETER)

“EECS” in this case refers to all wired and wireless production nets, all server and machine rooms, and all private networks not otherwise mentioned above.

Please contact help@eecs if you have any questions about this change or concerns about scheduling.
[Read more…] about Network Border Maintenance, 6/20/17 7AM

Filed Under: Resolved Incidents Services: Wired Networking

Campus Wireless Networks Unavailable, 6/7/17

June 7, 2017 by Derek Calderon

Campus wireless networks (AirBears2, eduroam, CalVisitor) were unavailable for a period this morning due to an issue with authentication load balancers. At the direction of campus wifi admins we have reconfigured these networks to bypass the load balancers for now.

All networks are once again available for use within EECS.

Resolved as of 2017-06-07 08:50:00

Filed Under: Resolved Incidents Services: Wireless Networking

Jacobs Hall Router Upgrade, 5/19

May 19, 2017 by Derek Calderon

We will be upgrading the main Jacobs Hall router at 6:30AM on Fri. 5/19 to address a firmware defect. The upgrade has already been performed successfully in Soda Hall. All Jacobs Hall networks will be offline for 5-10 minutes while the router reboots.
[Read more…] about Jacobs Hall Router Upgrade, 5/19

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

AP Switch Upgrades, 5/19/17

May 19, 2017 by Derek Calderon

All AP switches will be upgraded between 12-3AM tonight. There will be rolling wireless network outages in Soda, Cory, SDH during this time.

Soda: 12:00AM
Cory: 1:00AM
SDH: 2:00AM
[Read more…] about AP Switch Upgrades, 5/19/17

Filed Under: Resolved Incidents Services: Wireless Networking

Sutardja Dai Router Upgrade, 5/18

May 18, 2017 by Derek Calderon

We will be upgrading the main Sutardja Dai Hall router at 6:30AM on Thurs. 5/18 to address a firmware defect. The upgrade has already been performed successfully in Soda Hall. All networks in SDH will be offline for 5-10 minutes while the router reboots.
[Read more…] about Sutardja Dai Router Upgrade, 5/18

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

Cory Hall Router Upgrade, 5/17/17

May 17, 2017 by Derek Calderon

We will be upgrading the main Cory Hall router at 6:30AM on Wed. 5/17 to address a firmware defect. The upgrade has already been performed successfully in Soda Hall. Outage is expected to last 5-10 minutes while the router reboots.
[Read more…] about Cory Hall Router Upgrade, 5/17/17

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

Soda 5F Wi-Fi Outage 5/4/17

May 4, 2017 by Derek Calderon

Half of the wireless APs in 5th floor Soda were offline due to a failure of the PoE switch. Issue has been worked around and switch will be replaced. Network should be fully available at this time.

Resolved as of 2017-05-04 14:10:00

Filed Under: Resolved Incidents Services: Wireless Networking

Soda Aggregation Router Upgrade, 5/2/17

May 2, 2017 by Derek Calderon

We will be performing a software upgrade of the Soda Hall aggregation router at 6:30 AM on Tuesday, May 2nd. Wired and wireless networks in Soda Hall will be unavailable for 5-10 minutes while the router reboots. BWRC will also be cut off from the outside world during this time as its uplink is dependent on this router.

The Millennium research network will not be affected.

This upgrade is being performed to resolve certain bugs in the current software version so that we can move forward with our early-stage IPV6 deployment, which is currently targeted for this summer.
[Read more…] about Soda Aggregation Router Upgrade, 5/2/17

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

Wireless Network Outage, Soda 3rd fl. South

April 12, 2017 by Derek Calderon

There is currently a wireless outage in the south portion of the 3rd floor of Soda Hall (serving the CS division offices). Network may be available but slow due to coverage from nearby APs. Staff are investigating.
[Read more…] about Wireless Network Outage, Soda 3rd fl. South

Filed Under: Resolved Incidents Services: Wireless Networking

Degraded Network Performance

March 13, 2017 by Derek Calderon

EECS is currently experiencing degraded network performance. Network staff are investigating. Updates will be posted here when available.
[Read more…] about Degraded Network Performance

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

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