Blade ICE G8124 Manuale Utente

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BLADEOS 6.5.2 Application Guide
262  

  Chapter 19: Border Gateway Protocol
BMD00220, October 2010
Figure 27   
Distributing Network Filters in Access Lists and Route Maps
Incoming and Outgoing Route Maps
You can have two types of route maps: incoming and outgoing. A BGP peer router can be 
configured to support up to eight route maps in the incoming route map list and outgoing route map 
list.
If a route map is not configured in the incoming route map list, the router imports all BGP updates. 
If a route map is configured in the incoming route map list, the router ignores all unmatched 
incoming updates. If you set the action to 
deny
, you must add another route map to permit all 
unmatched updates.
Route maps in an outgoing route map list behave similar to route maps in an incoming route map 
list. If a route map is not configured in the outgoing route map list, all routes are advertised or 
permitted. If a route map in the outgoing route map list is set to 
permit
, matched routes are 
advertised and unmatched routes are ignored.
Access Lists 
(alist)
Network Filter 
(nwf)
Route Maps 
(rmap)
1
Route Map 1
8
1
8
1
Route Map 2
8
9
16
1
Route Map 32
8
249
256
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