Bgp And Ospf Route Policy Support - Alcatel-Lucent 7705 Configuration Manual

Configuring Route Policies
Table 62: AS Path and Community Regular Expression Examples (Continued)
AS Path to Match Criteria
AS number is 11 and community value is any number
that starts with 1
AS number is any number and community value is any
number that ends with 1, 2, or 3
AS number is 11 or 22 and community value is any
number that starts with 3 and ends with 4, 5 or 9
AS number is 11 or 22 and community value ends in 33
or 44
Note:
1.

BGP and OSPF Route Policy Support

BGP and OSPF require route policy support.
policies are evaluated in each protocol.
policy as an internal part of the BGP route selection process.
which applies routing policies at the edge of the protocol, in order to control only the routes
that are announced to or accepted from the Routing Table Manager (RTM).
420
The null keyword matches an empty AS path.
Regular Expression
^11:(1.*)$
^(.*):(.*[1-3])$
^((11)|(22)):(3.
*[459])$
[^((11|22)):(.*(
(33)|(44)))$
Figure 12 and
Figure 12 depicts BGP support, which applies a route
Figure 13
7705 SAR OS Router Configuration Guide
Examples of Matches
11:1
11:100
11:1100
11:1
100:2002
333:55553
...
11:34
22:3335
11:3777779
...
11:33
22:99944
22:555533
...
Figure 13 show how route
depicts OSPF support,