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Passive option.

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This commit is contained in:
Ondrej Zajicek 2009-09-24 22:12:11 +02:00
parent 2d507e64b7
commit be6e39ebbf
4 changed files with 13 additions and 4 deletions
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5
doc/bird.sgml
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@ -868,6 +868,11 @@ for each neighbor using the following configuration parameters:
of BGP sessions. Default: no authentication. Password has to be set by
external utility (e.g. setkey(8)) on BSD systems.
<tag>passive <m/switch/</tag> Standard BGP behavior is both
initiating outgoing connections and accepting incoming
connections. In passive mode, outgoing connections are not
initiated. Default: off.
<tag>rr client</tag> Be a route reflector and treat the neighbor as
a route reflection client. Default: disabled.

7
proto/bgp/bgp.c
View file

@ -120,7 +120,9 @@ bgp_startup(struct bgp_proto *p)
{
BGP_TRACE(D_EVENTS, "Started");
p->start_state = p->cf->capabilities ? BSS_CONNECT : BSS_CONNECT_NOCAP;
bgp_active(p);
if (!p->cf->passive)
bgp_active(p);
}
static void
@ -292,7 +294,8 @@ bgp_decision(void *vp)
DBG("BGP: Decision start\n");
if ((p->p.proto_state == PS_START)
&& (p->outgoing_conn.state == BS_IDLE))
&& (p->outgoing_conn.state == BS_IDLE)
&& (!p->cf->passive))
bgp_active(p);
if ((p->p.proto_state == PS_STOP)

1
proto/bgp/bgp.h
View file

@ -33,6 +33,7 @@ struct bgp_config {
int rs_client; /* Whether neighbor is RS client of me */
int advertise_ipv4; /* Whether we should add IPv4 capability advertisement to OPEN message */
u32 route_limit; /* Number of routes that may be imported, 0 means disable limit */
int passive; /* Do not initiate outgoing connection */
unsigned connect_retry_time;
unsigned hold_time, initial_hold_time;
unsigned keepalive_time;

4
proto/bgp/config.Y
View file

@ -22,7 +22,7 @@ CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY, KEEPALIVE,
BGP_PATH, BGP_LOCAL_PREF, BGP_MED, BGP_ORIGIN, BGP_NEXT_HOP,
BGP_ATOMIC_AGGR, BGP_AGGREGATOR, BGP_COMMUNITY, SOURCE, ADDRESS,
PASSWORD, RR, RS, CLIENT, CLUSTER, ID, AS4, ADVERTISE, IPV4,
CAPABILITIES, LIMIT)
CAPABILITIES, LIMIT, PASSIVE)
CF_GRAMMAR
@ -34,7 +34,6 @@ bgp_proto_start: proto_start BGP {
BGP_CFG->hold_time = 240;
BGP_CFG->connect_retry_time = 120;
BGP_CFG->initial_hold_time = 240;
BGP_CFG->default_med = 0;
BGP_CFG->compare_path_lengths = 1;
BGP_CFG->start_delay_time = 5;
BGP_CFG->error_amnesia_time = 300;
@ -78,6 +77,7 @@ bgp_proto:
| bgp_proto ADVERTISE IPV4 bool ';' { BGP_CFG->advertise_ipv4 = $4; }
| bgp_proto PASSWORD TEXT ';' { BGP_CFG->password = $3; }
| bgp_proto ROUTE LIMIT expr ';' { BGP_CFG->route_limit = $4; }
| bgp_proto PASSIVE bool ';' { BGP_CFG->passive = $3; }
;
CF_ADDTO(dynamic_attr, BGP_PATH