summaryrefslogtreecommitdiff
path: root/pimd/pim_upstream.c
diff options
context:
space:
mode:
Diffstat (limited to 'pimd/pim_upstream.c')
-rw-r--r--pimd/pim_upstream.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/pimd/pim_upstream.c b/pimd/pim_upstream.c
index d95b092d94..9899172e6c 100644
--- a/pimd/pim_upstream.c
+++ b/pimd/pim_upstream.c
@@ -749,6 +749,13 @@ void pim_upstream_switch(struct pim_instance *pim, struct pim_upstream *up,
bool send_xg_jp = false;
forward_off(up);
+ /*
+ * RFC 4601 Sec 4.5.7:
+ * JoinDesired(S,G) -> False, set SPTbit to false.
+ */
+ if (up->sg.src.s_addr != INADDR_ANY)
+ up->sptbit = PIM_UPSTREAM_SPTBIT_FALSE;
+
if (old_state == PIM_UPSTREAM_JOINED)
pim_msdp_up_join_state_changed(pim, up);