Initial - CHG0103899 - Replacement of Marketnet Firewall in Norwest

Change Number: CHG0103899

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Firewall
Change Title: Replacement of Marketnet Firewall in Norwest
Change Start Date & Time: 20/06/2026 09:00:00
Change End Date & Time: 20/06/2026 19:00:00
Outage Start Date & Time: 20/06/2026 09:00:00
Outage End Date & Time: 20/06/2026 17:00:00
Environment: Production
Participant Impact and Requirements: The following impacts are expected to participant connectivity during this planned outage:

IPWAN Participants - No impact is expected

Lan-2-Lan VPN Participants (IPSEC) - Up to 4 hour outage for participants who have established their VPN connection/s via the AEMO NSW datacenter termination point (202.44.78.10 for Policy Based VPN's or 202.44.78.12 for Route Based VPN) only - All L2L connections should be established to both QLD / NSW.

Note: Participants are encouraged to ensure their VPN connections are already established or are configured (as per AEMO best practice) to automatically failover to the alternate AEMO QLD datacenter termination point (202.44.76.10 or 202.44.76.12) prior to this scheduled outage.  *** Failure to do so will impact connectivity to Marketnet Services ***.

B2B VPN - No impact is expected. 

SSL VPN Participants: None expected as DNS entry will be updated to remove NSW IP. 

GASHUB: A brief interuption of up to 60 seconds while services are failover from NSW to QLD Datacenter. 

Other Impacts will have been communicated in advance. 

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activit