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Configuring IP Services
8-78
117356-B Rev. 00
Specifying Matching Criteria for a BGP Announce Policy
You can use the BCC or Site Manager to specify matching criteria for a BGP
announce policy.
Using the BCC
Navigate to the policy-specific prompt and enter:
match
For example, the following command invokes a match prompt for BGP announce
policy pol_1:
announce/pol_1//jointfilesconvert/96470/bgp#
match
match/bgp/announce/pol_1#
To specify a match, enter:
match_parameter value
match_parameter value
is one of the parameter/value pairs shown in Table 8-10.
Table 8-10. BCC Match Parameters for BGP Announce Policies
Parameter Values Function
as-path-pattern Empty string or any
regular expression
Allows AS_PATH pattern matching. Enter a valid
regular expression to indicate an AS and its position
in a path. The policy applies to all routes whose AS
path includes the AS in that position. For example,
the expression * 200 $ means that the policy applies
to all routes whose AS_PATH attribute contains AS
200 as the last AS in the path.
external-source Any (default)
Direct
Static
RIP
OSPF with type 2
metric
EGP
BGP
Specifies one or more external route source
identifiers. If you specify an external route source, a
route from that source that meets the other criteria of
this policy matches the policy. This parameter
applies only to OSPF routes that use the new ASE
type 2 metric. The protocol from which OSPF
received the route is encoded in the ASE metric,
along with the route’s metric. To specify any external
route source, use the default
.
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