Chapter 5
Setup and Configuration
RUGGEDCOM ROX II
User Guide
460 Adding an Autonomous System Path Filter Entry
Character Description Example
_ (underscore) The underscore character has special meanings in an autonomous system
path. It matches to:
• Each space ( ) and comma (,)
• Each AS set delimiter (e.g. { and })
• Each AS confederation delimiter (e.g. ( and ))
• The beginning and end of the line
Therefore, the underscore can be used to match AS values.
_100,100_, _100_
To add an entry for an autonomous system path filter, do the following:
1. Change the mode to Edit Private or Edit Exclusive.
2. Navigate to routing » dynamic » bgp » filter » as-path » {name} » entry, where {name} is the name of the
autonomous system path filter.
3. Click <Add entry>. The Key Settings form appears.
Figure 517: Key Settings Form
1. Action List 2. Match Box 3. Add Button
4. Configure the following parameter(s) as required:
Parameter Description
Action Synopsis: deny, permit
Action.
Match The regular expression to match the BGP AS paths - for more information about regular
expressions, refer to the User Guide.
5. Click Add to create the new entry.
6. Click Commit to save the changes or click Revert All to abort. A confirmation dialog box appears. Click OK
to proceed.
7. Click Exit Transaction or continue making changes.
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