All systems are operational
Scheduled Maintenance
[SEWAN] Technical maintenance - 17.11.2025

Beginning: 17.11.2025 – 11.30 PM

Ending: 18.11.2025 – 02.30 AM

Impact: switchover on Sophia Voip plateform

 

Dear customer, dear partner,

 

We would like to inform you that a scheduled maintenance will take place on our Voice infrastructure (Sophia).

During this maintenance window, a short interruption of communications is expected.

We apologize for any inconvenience this may cause and thank you for your understanding.

No intervention is needed from your side.

 

Best regards;

SEWAN Technical Team

[SEWAN] Technical maintenance - 19.11.2025

Beginning: 19.11.2025 – 10.00 PM

Ending: 20.11.2025 – 01.00 AM

 

Impact: Few packet loss and SSL-VPN disconnection while switchover.

 

Dear Customer, Dear Partner,

 

Please be informed that our technical team will perform maintenance on firewall cluster 6.

During the two scheduled nights, you may experience brief packet loss and temporary SSL-VPN disconnections during the switchover.

No action is required on your side.

 

Thank you for your understanding.

 

Best regards;

 

SEWAN Technical Team

[SEWAN] Technical maintenance - 21.11.2025

Beginning: 21.11.2025 – 00.00 AM

Ending: 21.11.2025 – 05.00 AM

Impact: none

 

Dear customer, dear partner,

 

EUROFIBER will perform a maintenance on our NNI at Leuven.

No impact is expected

No intervention is needed from your side.

Best regards;

 

SEWAN Technical Team

[SEWAN] Technical maintenance - 26.11.2025 - 28.11.2025

Beginning: 26.11.2025 – 10.00 PM

Ending: 28.11.2025 – 06.00 AM

Impact: max 1h of interruption

Dear customer, dear partner,

 

Eurofiber will perform a large-scale network software update that will improve the performance and future proofing of our network.

Your connection will be interrupted only one time, for 1 hour during this upgrade. If you have a redundant connection, they will ensure that it is not down at the same time as the primary one.

No intervention is needed from your side.

Best regards;

 

SEWAN Technical Team

Past Incidents

Wednesday 2nd December 2020

[SEWAN] Technical maintenance - 02.11.2020, scheduled 4 years ago

Beginning: 02.12.2020 – 11.59 PM

Ending: 03.12.2020 – 04.00 AM

Internal ref: DTCAB-1464

Impact: None

 

Dear customer, dear partner,

 

Please note that our technical team will perform a maintenance during the night of the 02.12.2020 from 11.59 PM to 4.00 AM the next day in order to optimize our BGP configuration over SEWAN group.

 

During this timeframe, no impacts are foreseen. You may experience brief disruptions in IP connectivity on our overall services, which should not be noticeable by customers.

 

No intervention is needed from your side.

 

Best regards;

SEWAN Technical Team

Sunday 29th November 2020

No incidents reported

Saturday 28th November 2020

No incidents reported

Friday 27th November 2020

Automatic porting tool [SEWAN] Unexpected disturbances - 27.11.2020

** UPDATE ** Since 2.30PM today, CRDC confirm that their problem was solded.

 

Best regards;

SEWAN technical team


Beginning: 27.11.2020 – 12.50 AM

Ending: unknown

Impact: Manual porting unavailable

 

Dear customer, dear partner,

 

Please note that since 12.50 AM today, CRDC experiences a connectivity issue which avoid us to manually execute a porting request.

To our current understanding, this impact all belgian carriers.  

Our automatic porting portal remains nevertheless 100% operational.

A ticket has been open toward CRDC to resolve this situation ASAP.

 

Best regards;

SEWAN technical team

Thursday 26th November 2020

No incidents reported

Wednesday 25th November 2020

No incidents reported

Tuesday 24th November 2020

No incidents reported

Monday 23rd November 2020

No incidents reported

Sunday 22nd November 2020

No incidents reported

Saturday 21st November 2020

No incidents reported

Friday 20th November 2020

No incidents reported

Thursday 19th November 2020

No incidents reported

Wednesday 18th November 2020

No incidents reported

Tuesday 17th November 2020

No incidents reported

Monday 16th November 2020

No incidents reported

Sunday 15th November 2020

No incidents reported