X-Git-Url: http://git.archive.openwrt.org/?a=blobdiff_plain;f=src%2Frouter.c;h=1ae8d1aa7543d0ef1fff0e6c02dcc44ee69fbb33;hb=2fd5d19525699f19186daca9b246dd37a0f547a0;hp=d7452f553fce2ed59b7561801dc788de95eba618;hpb=8b33974cfae233ef6ad764051a3194db29c7ff11;p=project%2Fodhcpd.git

diff --git a/src/router.c b/src/router.c
index d7452f5..1ae8d1a 100644
--- a/src/router.c
+++ b/src/router.c
@@ -314,6 +314,8 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add
 		p->nd_opt_pi_valid_time = htonl(TIME_LEFT(addr->valid, now));
 		if (addr->preferred > (uint32_t)now)
 			p->nd_opt_pi_preferred_time = htonl(TIME_LEFT(addr->preferred, now));
+		else if (addr->valid - now < 7200)
+			p->nd_opt_pi_valid_time = 0;
 
 
 		if (TIME_LEFT(addr->preferred, now) > dns_time) {