diff options
| -rw-r--r-- | doc/bird.sgml | 5 | ||||
| -rw-r--r-- | proto/bgp/bgp.c | 7 | ||||
| -rw-r--r-- | proto/bgp/bgp.h | 1 | ||||
| -rw-r--r-- | proto/bgp/config.Y | 4 |
4 files changed, 13 insertions, 4 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index 258b8420..ceff31d8 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -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. diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c index 0c8ee6da..af5dbfcb 100644 --- a/proto/bgp/bgp.c +++ b/proto/bgp/bgp.c @@ -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) diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index 092c3b34..0a82be2b 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -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; diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y index 872fb271..7360820f 100644 --- a/proto/bgp/config.Y +++ b/proto/bgp/config.Y @@ -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 |