News and Announcements

Dear all,

There will be scheduled network maintenance as follows:

Date: 16 April 2014
Time: 7 pm to 8 pm

During this maintenance, network services might be intermittent disrupted. The purpose of this maintenance is to change 2 UPS.

Thank you for your understanding.

Dear all,

There will be scheduled network maintenance as follows:

02 April 2014 from 7pm to 8pm :

Affecting network at COM1 Level 1 and 2 (network points C-1-1-x and C-2-2-x)
Affecting network at AS6 Level 2, 4 and 5 (network points AS6-5L-4-x, AS6-5L-5-x, AS6-5R-2-x, AS6-5R-4-x and AS6-5R-5-x)

During this time, wired and wireless network access might be briefly disrupted.  The purpose of this maintenance is to optimise our 10GbE connections.

Thank you for your understanding.

Dear all,

There will be scheduled network maintenance as follows:

Date: 20 March 2014
Time: 7 pm to 10 pm

During this maintenance, wireless network access might be briefly disrupted. The purpose of this maintenance is to maintain our Wireless Lan Controllers.

Thank you for your understanding.

We are scheduling an emergency network maintenance. 
 
Date: 7 March 2014
Time: 7.30pm

During this time, wireless clients in COM2 will have intermittent disruptions. 

The purpose of this maintenance is to reboot a misbehaving wireless controller

Thank you for your understanding.

There was a unscheduled disruption in COM1 network on 28 Jan from 1100 to 1600 affecting all COM1 subnets with DHCP clients. The cause was a problem with our DHCP lease file, leading to slow DHCP responses and timeouts.

Note: There will be an emergency maintenance tonight as we normalize the system.

Dear All,

There will be scheduled network maintenance as follows:

Date: 24 Jan 2014
Time: 7 pm to 9 pm

During this time, there will be intermittent disruptions to the teaching network in COM1. Network access in Programming Labs, etc may be affected intermittently.

The purpose of this maintenance is to test out a new firewall for the teaching network.

Thank you for your understanding.

There will be emergency scheduled network maintenance as follows:
 
Date: 20 January 2014
Time: 6.30pm to 7pm

During this time, SoC VPN connections will be disrupted for about 15 mins.

The purpose of this maintenance is to migrate the VPN server away from faulty hardware

Thank you for your understanding.

Dear All,

There will be scheduled network maintenance as follows:

Date: 09 Jan 2014
Time: 7 pm to 10 pm

During this time, there will be intermittent disruptions to the network in Computer Room 1. The following IT services might be intermittently disrupted.
      1. Network access in CR1
      2. Hosted services in CR1
      3. UNIX login/file service (e.g. suna and sunfire)
      4. Mail services (both staff and students)
      5. Print services
      6. Tembusu/Angsana cluster
      7. VMs for Research
      8. Virtual desktop infrastructure access to software like SPSS, SAS, Matlab, Stata
      9. Windows-based websites like soccers, chi, aitcs, ceg, stmi, atap, etc.
The purpose of this maintenance is to upgrade the network switches in Computer Room 1.
Thank you for your understanding.

Dear all,

There will be scheduled network maintenance as follows:
 
Date: 28 November 2013
Time: 7 pm to 8 pm

During this time, internet access might be disrupted briefly.  The purpose of this maintenance is to install 10G modules and update OSPF configuration for our core switches.

Thank you for your understanding.

Dear all,

There will be emergency scheduled network maintenance as follows:
 
Date: 13 August 2013
Time: 8 pm to 10 pm

During this time, wireless network connection to COM2 might be disrupted for 5 mins each time.

The purpose of this maintenance is to increase the wireless IP pool for COM2.

Thank you for your understanding.

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