diff options
Diffstat (limited to 'proto/bgp/bgp.c')
| -rw-r--r-- | proto/bgp/bgp.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c index 8da5b0aa..9db26050 100644 --- a/proto/bgp/bgp.c +++ b/proto/bgp/bgp.c @@ -99,6 +99,7 @@ * <item> <rfc id="7947"> - Internet Exchange BGP Route Server * <item> <rfc id="8092"> - BGP Large Communities Attribute * <item> <rfc id="8203"> - BGP Administrative Shutdown Communication + * <item> <rfc id="8212"> - Default EBGP Route Propagation Behavior without Policies * </itemize> */ @@ -113,6 +114,7 @@ #include "nest/cli.h" #include "nest/locks.h" #include "conf/conf.h" +#include "filter/filter.h" #include "lib/socket.h" #include "lib/resource.h" #include "lib/string.h" @@ -1621,6 +1623,7 @@ bgp_postconfig(struct proto_config *CF) { struct bgp_config *cf = (void *) CF; int internal = (cf->local_as == cf->remote_as); + int interior = internal || cf->confederation_member; /* Do not check templates at all */ if (cf->c.class == SYM_TEMPLATE) @@ -1677,6 +1680,20 @@ bgp_postconfig(struct proto_config *CF) struct bgp_channel_config *cc; WALK_LIST(cc, CF->channels) { + /* Handle undefined import filter */ + if (cc->c.in_filter == FILTER_UNDEF) + if (interior) + cc->c.in_filter = FILTER_ACCEPT; + else + cf_error("EBGP requires explicit import policy"); + + /* Handle undefined export filter */ + if (cc->c.out_filter == FILTER_UNDEF) + if (interior) + cc->c.out_filter = FILTER_REJECT; + else + cf_error("EBGP requires explicit export policy"); + /* Disable after error incompatible with restart limit action */ if ((cc->c.in_limit.action == PLA_RESTART) && cf->disable_after_error) cc->c.in_limit.action = PLA_DISABLE; |