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bgpd: attribute-unchanged issues with peer-groups

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Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
This commit is contained in:
Daniel Walton 2017-07-26 17:49:20 +00:00
parent 92690ee649
commit 8eeb033552
2 changed files with 48 additions and 23 deletions
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37
bgpd/bgp_vty.c
View File

@ -4201,8 +4201,15 @@ DEFUN (neighbor_attr_unchanged,
"Med attribute\n")
{
int idx = 0;
char *peer = argv[1]->arg;
char *peer_str = argv[1]->arg;
struct peer *peer;
u_int16_t flags = 0;
afi_t afi = bgp_node_afi(vty);
safi_t safi = bgp_node_safi(vty);
peer = peer_and_group_lookup_vty(vty, peer_str);
if (!peer)
return CMD_WARNING_CONFIG_FAILED;
if (argv_find(argv, argc, "as-path", &idx))
SET_FLAG(flags, PEER_FLAG_AS_PATH_UNCHANGED);
@ -4213,15 +4220,35 @@ DEFUN (neighbor_attr_unchanged,
if (argv_find(argv, argc, "med", &idx))
SET_FLAG(flags, PEER_FLAG_MED_UNCHANGED);
if (!flags) // no flags means all of them!
{
/* no flags means all of them! */
if (!flags) {
SET_FLAG(flags, PEER_FLAG_AS_PATH_UNCHANGED);
SET_FLAG(flags, PEER_FLAG_NEXTHOP_UNCHANGED);
SET_FLAG(flags, PEER_FLAG_MED_UNCHANGED);
} else {
if (!CHECK_FLAG(flags, PEER_FLAG_AS_PATH_UNCHANGED) &&
peer_af_flag_check(peer, afi, safi,
PEER_FLAG_AS_PATH_UNCHANGED)) {
peer_af_flag_unset_vty(vty, peer_str, afi, safi,
PEER_FLAG_AS_PATH_UNCHANGED);
}
if (!CHECK_FLAG(flags, PEER_FLAG_NEXTHOP_UNCHANGED) &&
peer_af_flag_check(peer, afi, safi,
PEER_FLAG_NEXTHOP_UNCHANGED)) {
peer_af_flag_unset_vty(vty, peer_str, afi, safi,
PEER_FLAG_NEXTHOP_UNCHANGED);
}
if (!CHECK_FLAG(flags, PEER_FLAG_MED_UNCHANGED) &&
peer_af_flag_check(peer, afi, safi,
PEER_FLAG_MED_UNCHANGED)) {
peer_af_flag_unset_vty(vty, peer_str, afi, safi,
PEER_FLAG_MED_UNCHANGED);
}
}
return peer_af_flag_set_vty(vty, peer, bgp_node_afi(vty),
bgp_node_safi(vty), flags);
return peer_af_flag_set_vty(vty, peer_str, afi, safi, flags);
}
ALIAS_HIDDEN(

34
bgpd/bgpd.c
View File

@ -6926,36 +6926,34 @@ static void bgp_config_write_peer_af(struct vty *vty, struct bgp *bgp,
bgp_config_write_filter(vty, peer, afi, safi, write);
/* atribute-unchanged. */
if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED)
|| CHECK_FLAG(peer->af_flags[afi][safi],
PEER_FLAG_NEXTHOP_UNCHANGED)
|| CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) {
if (peergroup_af_flag_check(peer, afi, safi,
PEER_FLAG_AS_PATH_UNCHANGED)
&& peergroup_af_flag_check(peer, afi, safi,
PEER_FLAG_NEXTHOP_UNCHANGED)
&& peergroup_af_flag_check(peer, afi, safi,
PEER_FLAG_MED_UNCHANGED)) {
afi_header_vty_out(
vty, afi, safi, write,
" neighbor %s attribute-unchanged\n", addr);
} else {
if (peer_af_flag_check(peer, afi, safi, PEER_FLAG_AS_PATH_UNCHANGED) ||
peer_af_flag_check(peer, afi, safi, PEER_FLAG_NEXTHOP_UNCHANGED) ||
peer_af_flag_check(peer, afi, safi, PEER_FLAG_MED_UNCHANGED)) {
if (!peer_group_active(peer) ||
peergroup_af_flag_check(peer, afi, safi,
PEER_FLAG_AS_PATH_UNCHANGED) ||
peergroup_af_flag_check(peer, afi, safi,
PEER_FLAG_NEXTHOP_UNCHANGED) ||
peergroup_af_flag_check(peer, afi, safi,
PEER_FLAG_MED_UNCHANGED)) {
afi_header_vty_out(
vty, afi, safi, write,
" neighbor %s attribute-unchanged%s%s%s\n",
addr,
peergroup_af_flag_check(
peer_af_flag_check(
peer, afi, safi,
PEER_FLAG_AS_PATH_UNCHANGED)
? " as-path"
: "",
peergroup_af_flag_check(
peer_af_flag_check(
peer, afi, safi,
PEER_FLAG_NEXTHOP_UNCHANGED)
? " next-hop"
: "",
peergroup_af_flag_check(peer, afi, safi,
PEER_FLAG_MED_UNCHANGED)
peer_af_flag_check(peer, afi, safi,
PEER_FLAG_MED_UNCHANGED)
? " med"
: "");
}