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-rw-r--r--doc/bird.sgml9
-rw-r--r--proto/bgp/attrs.c4
-rw-r--r--proto/bgp/config.Y1
3 files changed, 9 insertions, 5 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index 81ef79b..e894353 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -1043,9 +1043,12 @@ for each neighbor using the following configuration parameters:
Discriminator to be used during route selection when the MED attribute
is missing. Default: 0.
- <tag>default bgp_local_pref <m/number/</tag> Value of the Local Preference
- to be used during route selection when the Local Preference attribute
- is missing. Default: 0.
+ <tag>default bgp_local_pref <m/number/</tag> A default value
+ for the Local Preference attribute. It is used when a new
+ Local Preference attribute is attached to a route by the BGP
+ protocol itself (for example, if a route is received through
+ eBGP and therefore does not have such attribute). Default: 100
+ (0 in pre-1.2.0 versions of BIRD).
</descrip>
<sect1>Attributes
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c
index a0f1821..5316481 100644
--- a/proto/bgp/attrs.c
+++ b/proto/bgp/attrs.c
@@ -871,7 +871,7 @@ bgp_create_attrs(struct bgp_proto *p, rte *e, ea_list **attrs, struct linpool *p
else
set_next_hop(z, rta->gw);
- bgp_set_attr(ea->attrs+3, BA_LOCAL_PREF, 0);
+ bgp_set_attr(ea->attrs+3, BA_LOCAL_PREF, p->cf->default_local_pref);
return 0; /* Leave decision to the filters */
}
@@ -1421,7 +1421,7 @@ bgp_decode_attrs(struct bgp_conn *conn, byte *attr, unsigned int len, struct lin
/* If there's no local preference, define one */
if (!(seen[0] & (1 << BA_LOCAL_PREF)))
- bgp_attach_attr(&a->eattrs, pool, BA_LOCAL_PREF, 0);
+ bgp_attach_attr(&a->eattrs, pool, BA_LOCAL_PREF, bgp->cf->default_local_pref);
return a;
diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y
index a469b4d..b2061a1 100644
--- a/proto/bgp/config.Y
+++ b/proto/bgp/config.Y
@@ -44,6 +44,7 @@ bgp_proto_start: proto_start BGP {
BGP_CFG->enable_as4 = 1;
BGP_CFG->capabilities = 2;
BGP_CFG->advertise_ipv4 = 1;
+ BGP_CFG->default_local_pref = 100;
}
;