diff options
Diffstat (limited to 'proto/bgp')
| -rw-r--r-- | proto/bgp/bgp.c | 33 | ||||
| -rw-r--r-- | proto/bgp/config.Y | 2 |
2 files changed, 20 insertions, 15 deletions
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c index 81a263bb..f05a85d4 100644 --- a/proto/bgp/bgp.c +++ b/proto/bgp/bgp.c @@ -1009,6 +1009,24 @@ bgp_check_config(struct bgp_config *c) if (c->c.class == SYM_TEMPLATE) return; + + /* EBGP direct by default, IBGP multihop by default */ + if (c->multihop < 0) + c->multihop = internal ? 64 : 0; + + /* Different default for gw_mode */ + if (!c->gw_mode) + c->gw_mode = c->multihop ? GW_RECURSIVE : GW_DIRECT; + + /* Different default based on rs_client */ + if (!c->missing_lladdr) + c->missing_lladdr = c->rs_client ? MLL_IGNORE : MLL_SELF; + + /* Disable after error incompatible with restart limit action */ + if (c->c.in_limit && (c->c.in_limit->action == PLA_RESTART) && c->disable_after_error) + c->c.in_limit->action = PLA_DISABLE; + + if (!c->local_as) cf_error("Local AS number must be set"); @@ -1024,7 +1042,6 @@ bgp_check_config(struct bgp_config *c) if (internal && c->rs_client) cf_error("Only external neighbor can be RS client"); - if (c->multihop && (c->gw_mode == GW_DIRECT)) cf_error("Multihop BGP cannot use direct gateway mode"); @@ -1035,20 +1052,6 @@ bgp_check_config(struct bgp_config *c) if (c->multihop && c->bfd && ipa_zero(c->source_addr)) cf_error("Multihop BGP with BFD requires specified source address"); - - /* Different default based on rs_client */ - if (!c->missing_lladdr) - c->missing_lladdr = c->rs_client ? MLL_IGNORE : MLL_SELF; - - /* Different default for gw_mode */ - if (!c->gw_mode) - c->gw_mode = (c->multihop || internal) ? GW_RECURSIVE : GW_DIRECT; - - /* Disable after error incompatible with restart limit action */ - if (c->c.in_limit && (c->c.in_limit->action == PLA_RESTART) && c->disable_after_error) - c->c.in_limit->action = PLA_DISABLE; - - if ((c->gw_mode == GW_RECURSIVE) && c->c.table->sorted) cf_error("BGP in recursive mode prohibits sorted table"); diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y index ab12fed5..76a76470 100644 --- a/proto/bgp/config.Y +++ b/proto/bgp/config.Y @@ -34,6 +34,7 @@ CF_ADDTO(proto, bgp_proto '}' { bgp_check_config(BGP_CFG); } ) bgp_proto_start: proto_start BGP { this_proto = proto_config_new(&proto_bgp, sizeof(struct bgp_config), $1); + BGP_CFG->multihop = -1; /* undefined */ BGP_CFG->hold_time = 240; BGP_CFG->connect_retry_time = 120; BGP_CFG->initial_hold_time = 240; @@ -74,6 +75,7 @@ bgp_proto: | bgp_proto STARTUP HOLD TIME expr ';' { BGP_CFG->initial_hold_time = $5; } | bgp_proto CONNECT RETRY TIME expr ';' { BGP_CFG->connect_retry_time = $5; } | bgp_proto KEEPALIVE TIME expr ';' { BGP_CFG->keepalive_time = $4; } + | bgp_proto DIRECT ';' { BGP_CFG->multihop = 0; } | bgp_proto MULTIHOP ';' { BGP_CFG->multihop = 64; } | bgp_proto MULTIHOP expr ';' { BGP_CFG->multihop = $3; if (($3<1) || ($3>255)) cf_error("Multihop must be in range 1-255"); } | bgp_proto NEXT HOP SELF ';' { BGP_CFG->next_hop_self = 1; BGP_CFG->next_hop_keep = 0; } |