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Extend Hubble flows with VRRP and IGMP #41687

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#41949
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Extend Hubble flows with VRRP and IGMP#41687
#41949
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kyounghunJang
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area/hubbleImpacts hubble server or relayarea/monitorImpacts monitoring, access logging, flow logging, visibility of datapath traffic.help-wantedYou can help! Post a detailed plan on the issue or create a PR to solve this issue.sig/policyImpacts whether traffic is allowed or denied based on user-defined policies.
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@aditighag
aditighag
opened on Sep 15, 2025

Policy engine now supports VRRP and IGMP extended protocols. Extend the Hubble proto [1] with VRRP and IGMP so that flows with these can be correctly correlated/filtered.

[1] https://github.com/cilium/cilium/blob/main/api/v1/flow/flow.proto#L233
[2] https://github.com/cilium/cilium/blob/main/pkg/policy/correlation/correlation.go#L92

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area/hubbleImpacts hubble server or relayarea/monitorImpacts monitoring, access logging, flow logging, visibility of datapath traffic.help-wantedYou can help! Post a detailed plan on the issue or create a PR to solve this issue.sig/policyImpacts whether traffic is allowed or denied based on user-defined policies.

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