Bgp Routing Filters; General Information - MikroTik RouterOS v2.9 Reference Manual

BGP Routing Filters

Document revision 1.4 (Fri Sep 23 08:43:17 GMT 2005)
This document applies to MikroTik RouterOS V2.9
Table of Contents
Table of Contents

General Information

Summary
Specifications
Related Documents
Description
Additional Documents
Filter Rules
Property Description
General Information
Summary
Border Gateway Protocol (BGP) Routing filters allow to alter attributes of the route for the NLRI
prefixes or completely exclude particular NLRI prefixes with routes from the BGP routing update
message.
Specifications
Packages required: routing
License required: level3
Home menu level: /routing filter
Standards and Technologies:
Hardware usage: Not significant
Related Documents
• Software Package Management
• IP Addresses and ARP
• Routes, Equal Cost Multipath Routing, Policy Routing
• BGP Command Reference
Description
BGP filtering refers to the ability of BGP peer to apply administrative policies to incoming and
outgoing routing update messages. These policies are implemented as rules organized in chains.
The following manual uses terms 'chain' and 'filter' interchengeably. Each rule consists of two parts,
one of them specifies to which prefixes the rule applies to and the other tells the router what to do
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RFC1771