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path monitor doc

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Massimo Candela
2019-11-30 04:01:30 +01:00
parent cb1768bafa
commit 3650d0e7a9
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docs/configuration.md
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@@ -136,6 +136,36 @@ Parameters for this monitor module:
|thresholdMinPeers| Minimum number of peers that need to see the BGP update before to trigger an alert. |
#### monitorPath
This monitor detects BGP updates containing AS_PATH which match particular regular expressions.
> Example:
> The prefixes list of BGPalerter has an entry such as:
> ```yaml
> 165.254.255.0/24:
> asn: 15562
> description: an example on path matching
> ignoreMorespecifics: false
> path:
> match: ".*2194,1234$"
> notMatch: ".*5054.*"
> matchDescription: detected scrubbing center
> ```
> An alert will be generated when a BGP announcements for 165.254.255.0/24 or a more specific contains an AS_PATH
> terminating in 2194,1234 but not containing 5054. The generated alert will report the matchDescription field.
More path matching options are available, see the entire list [here](prefixes.md#prefixes-fields)
Parameters for this monitor module:
|Parameter| Description|
|---|---|
|thresholdMinPeers| Minimum number of peers that need to see the BGP update before to trigger an alert. |
#### monitorNewPrefix
This monitor has the logic to detect unexpected change of configuration in the form of new more specific prefixes announced by the correct AS.