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-rw-r--r--bgpd/bgp_network.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/bgpd/bgp_network.c b/bgpd/bgp_network.c
index 5dbd4872..6d16c6ec 100644
--- a/bgpd/bgp_network.c
+++ b/bgpd/bgp_network.c
@@ -412,6 +412,15 @@ bgp_socket (struct bgp *bgp, unsigned short port, char *address)
setsockopt_ipv4_tos (sock, IPTOS_PREC_INTERNETCONTROL);
#endif
+#ifdef IPV6_V6ONLY
+ /* Want only IPV6 on ipv6 socket (not mapped addresses) */
+ if (ainfo->ai_family == AF_INET6) {
+ int on = 1;
+ setsockopt (sock, IPPROTO_IPV6, IPV6_V6ONLY,
+ (void *) &on, sizeof (on));
+ }
+#endif
+
if (bgpd_privs.change (ZPRIVS_RAISE) )
zlog_err ("bgp_socket: could not raise privs");