Blog: Subnet labels and external traffic#29
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mffiedler
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Feb 25, 2026
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leandroberetta
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leandroberetta
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@jotak very nice and useful blog post! thanks! I've just added some minor suggestions but looks good to me!
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| Every time `flowlogs-pipeline` has to process a network flow, it checks if the IP belongs to any of the defined subnet, and if so, it associates the flow with the related label. |
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| Every time `flowlogs-pipeline` has to process a network flow, it checks if the IP belongs to any of the defined subnet, and if so, it associates the flow with the related label. | |
| Every time `flowlogs-pipeline` has to process a network flow, it checks if the IP belongs to any of the defined subnets, and if so, it associates the flow with the related label. |
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| {#admon title="Info"} | ||
| In FlowMetrics, when there are several filters for the same key, those filters are OR'ed, ie. the match is satisfied if one at least is satisfied. Filters on different keys are AND'ed. |
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| In FlowMetrics, when there are several filters for the same key, those filters are OR'ed, ie. the match is satisfied if one at least is satisfied. Filters on different keys are AND'ed. | |
| In FlowMetrics, when there are several filters for the same key, those filters are OR'ed, i.e. the match is satisfied if at least one is satisfied. Filters on different keys are AND'ed. |
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| ## Going further: identifying the external workloads | ||
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| All good so far, however this doesn't answer the question: where is this traffic flowing to (or from) ? |
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| All good so far, however this doesn't answer the question: where is this traffic flowing to (or from) ? | |
| All good so far, however this doesn't answer the question: where is this traffic flowing to (or from)? |
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found a "bug" while writing this blog: netobserv/flowlogs-pipeline#1127