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-rw-r--r--src/network/networkd-ndisc.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c
index c2b7970623..b282634e4b 100644
--- a/src/network/networkd-ndisc.c
+++ b/src/network/networkd-ndisc.c
@@ -57,6 +57,8 @@ static void ndisc_router_process_default(Link *link, sd_ndisc_router *rt) {
unsigned preference;
usec_t time_now;
int r;
+ Address *address;
+ Iterator i;
assert(link);
assert(rt);
@@ -75,6 +77,32 @@ static void ndisc_router_process_default(Link *link, sd_ndisc_router *rt) {
return;
}
+ SET_FOREACH(address, link->addresses, i) {
+ if (!memcmp(&gateway, &address->in_addr.in6,
+ sizeof(address->in_addr.in6))) {
+ char buffer[INET6_ADDRSTRLEN];
+
+ log_link_debug(link, "No NDisc route added, gateway %s matches local address",
+ inet_ntop(AF_INET6,
+ &address->in_addr.in6,
+ buffer, sizeof(buffer)));
+ return;
+ }
+ }
+
+ SET_FOREACH(address, link->addresses_foreign, i) {
+ if (!memcmp(&gateway, &address->in_addr.in6,
+ sizeof(address->in_addr.in6))) {
+ char buffer[INET6_ADDRSTRLEN];
+
+ log_link_debug(link, "No NDisc route added, gateway %s matches local address",
+ inet_ntop(AF_INET6,
+ &address->in_addr.in6,
+ buffer, sizeof(buffer)));
+ return;
+ }
+ }
+
r = sd_ndisc_router_get_preference(rt, &preference);
if (r < 0) {
log_link_warning_errno(link, r, "Failed to get default router preference from RA: %m");