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IRIS

Instructional & Research Information Systems

Janet Shu

Firmware upgrade: EECS border router

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Tuesday July 14th at 7:00AM, we will be upgrading software on the EECS department border router. During the outage, all EECS networks will be disconnected from the Internet, including Soda, Cory, Sutardja Dai,BWRC, and portions of HMMB. The work should only take a few minutes,but we’re reserving a 30-minute window in case of problems.

Please plan accordingly.

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Network Maintenance for EECS network May 27th

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We will sync network firmware and also upgrade the BootROM for one router in Soda 2nd floor (soda-server8810)on next Wed May 27,2009. We expect that there might be brief network outages between 6:00AM to 7:45AM.

This router serves several department servers and this will affect users who use network at that time. We regret any inconvenience this may cause. Please make your plans accordingly.
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network maintenance for BWRC network

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We will upgrade the new image code for two BWRC switches on this Thursday May 14,2009. There will be brief network outages from 7:00AM to 7:10AM.

This will affect users who use wired connection in the BWRC lab and some machines that are connected to summit226-1 switch. Wireless in BWRC will not be affected. This upgrade should take less than 2 mins.

We regret any inconvenience this may cause. Please make your plans accordingly.

Resolved as of 2009-05-14 07:03:00

Wireless network outage

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One of EECS switches requires to reboot On Jan 30 (Friday) at 6:00AM. This will affect EECS wireless services from 5-7 floors at Soda Hall. This rebooting should be less than 5 mins. Please keep your plan accordingly.

Resolved as of 2009-02-04 12:51:00

Two EECS switches Offline Briefly for Maintenance

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The EECS switches that are serving north east side of Soda 5th floor and of Soda 6th floor will all experience brief outages on Monday, Dec 22, 2008 beginning at 7:00a.m. due to system maintenance.

The wired network will be offline and users will experience a brief (less than 5 minutes) outage while the switch is rebooted to apply new operating system code. Since some wireless networking devices are also fed by those two devices, some of wireless users will experience a brief outage as well.

Resolved as of 2008-12-22 07:30:00

BWRC core switch back on service

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Around 1:50pm this afternoon, BWRC core router can not pass the network traffic as the CPU load hit nearly 98%. However, the networks within BWRC remained functional.

SSH attack triggered the spin cycle during that time. This BWRC switch was back on services at 3:00pm.

Resolved as of 2008-07-23 15:00:00