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Amazon CloudWatch now supports network health indicator for TGW inter-Region peering using synthetic monitors

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AWS·Sep 10, 2026, 11:00 AMFeatureAI-assisted summary

Summary

Synthetic monitors now include a Network Health Indicator for paths that traverse Transit Gateway inter‑Region peering
The indicator reflects AWS network health up to the TGW peering connection and is published to CloudWatch for dashboards and alarms
Extends NHI coverage beyond Direct Connect‑only paths, aiding faster isolation of cross‑region network issues

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Official source Last checked Sep 20, 2026, 3:04 PM

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