/var/log/DMIT-NOC.log
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There is a pending upgrade on LAX's MX Edge Router.
Expect maximum 30 mins down time and 60 mins network downgrade.

Time: 3PM ~ 6PM PDT.

DMIT.io will also be impacted at the same time.
LAX:
Emergency Rebooting one of hypervisor
Schedule Maintenance:
Location: Tokyo;
Date: Nov 18 ~ Dec 18, 2024

Content:
- Network Upgrade
- Hardware Upgrade
- Storage Upgrade

Impact:
- Network jitter, instability and downgrade;
- Possible SSH Key change due to hardware migrate;
- Experience downtime.
/var/log/DMIT-NOC.log pinned «Schedule Maintenance: Location: Tokyo; Date: Nov 18 ~ Dec 18, 2024 Content: - Network Upgrade - Hardware Upgrade - Storage Upgrade Impact: - Network jitter, instability and downgrade; - Possible SSH Key change due to hardware migrate; - Experience downtime.»
LAX:
Emergency Rebooting one of hypervisor; replace NICs.
Done.
/var/log/DMIT-NOC.log
TYO: Pending reboot action in an hour, expect VM reboot, and upto 1hr.
- Extend 30 mins.
- Extend 45 mins again. Due to the initial RH does not record the label correct; it took many time to trace and re-cable.
- Ready in 11:30 JST
Observed TOR issue on TYO, dispatching engineer.
Done
/var/log/DMIT-NOC.log
Content:
- Network Upgrade
- Hardware Upgrade
- Storage Upgrade
- Network Upgrade in progress.
-- Adding: RETN 100G, NTT 100G, BBIX 100G;
-- Remove: Equinix IX 10G, Cogent 10G; NTT 10G;
-- ETA: within a week.

- Hardware Upgrade completed
-- 7402P > 7443P
-- 10G * 2 per Node > 100G * 2 per Node
-- 20G uplink per rack > 100G * 2 uplink per rack.

- Storage Upgrade completed
-- SATA 10G SDS Cluster > NVMe 100G*2 SDS Cluster.
Adjusting TYO network arch, some product experienced downtime, and it has been fixed now.
There are couple works need to be done before return to stable.
Edge Router hardware swap.

Time: 10AM-1PM JST, 12/18/2024

Expected maximum downtime: 60mins
DMIT already aware about LAX EB packet loss on China direction.

We observe there is no packet loss on PtP segment.

The CMIN2 NOC response there is an issue on NCP submarine. Their capacity has been impacted due to the submarine issue.

DMIT will keep you updated.
Unexpected issue happend on TYO.Pro; investigating
/var/log/DMIT-NOC.log
Unexpected issue happend on TYO.Pro; investigating
Issue resolved;

Encounter JunOS software design defact.
VRF table refresh (deactivate & activate, table name remain unchange) make the VRF obtained a new FIB Table ID;

The PBR (which use "name" of table) does not update the Table ID after that.

Which bring the VM traffic been directed to a blackhole.

Resolved by disable PBR in Firewall, then reactivate.
From China Telecom,
For Los Angeles CN2 GIA.
====
Dear customer,

Please kindly be informed that there will be an planned maintenance and more information as below.

Time window (Date/Time):
2025-01-10 16:00:00 - 2025-01-22 22:00:00 UTC

2025-01-11 00:00:00 - 2025-01-23 06:00:00 UTC+8

Maintenance Description:
Facilities relocation

Maintenance Location:
American company, International

Service Impact:
The circuit will experience outage up to 360 minutes during the maintenance window.