Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Manual do Utilizador descarregar pdf (Página 127)

Configuring BGP Accept and Announce Policies

308628-15.0 Rev 00

5-17

Table 5-5. BCC Match Parameters for BGP Announce Policies

Parameter Values Function

as-path-pattern Empty string

(default) or

any regular

expression

Allows AS path pattern matching. Enter a valid

regular expression to indicate an AS and its

position in a path (see Table 5-7). 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

egp

/jointfilesconvert/97454/bgp

Specifies one or more external route source

identifiers. This parameter applies only to

OSPF routes that use the ASE type 2 metric.

The protocol from which OSPF received the

route is encoded in the ASE metric, along with

the route’s metric. If you specify an external

route source, a route from that source that

meets the other criteria of this policy matches

the policy. To specify any external route source,

use the default value

ospf-type any (default)

type1

type2

external

internal

Specifies which types of OSPF routes match

this policy, and applies only to OSPF-sourced

routes when OSPF is included as a route

source

protocol-source any (default)

direct

static

rip

ospf

egp

/jointfilesconvert/97454/bgp

Specifies one or more route source identifiers.

If you select a route source ID, a route from

that source that meets the other criteria of this

policy matches the policy.

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