Oliver LEGACY ELITE 2022, Manual

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User Manual / IBR900/IBR950 1/5/17
Route filter entries are processed in the order in which they appear in
the grid. A match will apply the action (permit or deny) specified for the
entry and processing will stop. If a filter is referenced and no match is
found, the route is denied.
Access List: The ip as-path access-list allows filtering by BGP as-path.
The as-path value can be specified as a regular expression (regex).
Community List: Allows filtering by community. In essence a community
is a label which is attached to routes learned from that community. Then
that community or label can be used to select which policy(s) should be
applied to those routes.
The latest version of BGP (Border Gateway Protocol) is version 4. BGP-4 is one of the Exterior Gateway
Protocols and de facto standard of Inter Domain routing protocol. BGP-4 is described in RFC1771, A Border
Gateway Protocol 4 (BGP-4). BGP is a distance vector
routing protocol, and the AS-Path framework provides
distance vector metric and loop detection to BGP
RFC1930.
BGP Editor
• Enabled: Click to enable/disable the policy. (Default:
enabled).
• Name : Unique name of the policy.
• Router-ID : This sets the router-ID of the BGP
process. The router-ID may be an IP address of the
router, but need not be – it can be any arbitrary 32-
BGP