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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. | |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 #### 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. This monitor has the logic to detect unexpected change of configuration in the form of new more specific prefixes announced by the correct AS.