This table contains AS-path lists in order to identify NLRIs by their AS_PATH attributes.
- Name
- Contains the name of this entry.
- AS Path Regex
- Contains a regular expression that checks the AS_PATH of the NLRI. Examples:
- .*_100: filters all NLRIs originating from "AS100".
- .*_(100|200): filters all NLRIs originating from "AS100" or "AS200".
- 100_(.*_)?(500|400)_.*: filters all NLRIs from the BGP neighbor with the AS number "AS100" and which were also previously routed via networks with the AS numbers "AS500" or "AS400" (or both).
- 100_(500|400|123)_.*: filters all NLRIs from the BGP neighbor with the AS number "AS100" and which received this number beforehand directly from BGP neighbors with the AS numbers "AS500", "AS400" or "AS123".
- 100_(100_)*(300_)*300: filters all NLRIs from the BGP neighbor with the AS number "AS100" and which received this number beforehand from the BGP neighbor with the AS number "AS300". This expression also allows for AS prepend paths.
- 100_ 200: filters all NLRIs from the BGP neighbor with the AS number "AS100" and which originated from the network with the AS number "AS200". The route taken by the NLRIs from "AS200" to "AS100" is unimportant.
- Regex-Match
- Determines how closely the regular expression under AS-Path-Regex needs to match the AS_PATH attribute of the NLRI in order for the list entry to apply.
- Full: The regular expression fully describes the AS_PATH attribute of the NLRI.
- Partial: The regular expression only describes parts of the AS_PATH attribute.
- Comment
- Comment on this entry.
