diff options
| -rw-r--r-- | ripd/ripd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ripd/ripd.c b/ripd/ripd.c index fb3d574aaa..9167a4fa70 100644 --- a/ripd/ripd.c +++ b/ripd/ripd.c @@ -1171,6 +1171,12 @@ static void rip_response_process(struct rip_packet *packet, int size, continue; } + if (packet->version == RIPv1 && rte->tag != 0) { + zlog_warn("RIPv1 reserved field is nonzero: %d", + ntohs(rte->tag)); + continue; + } + /* - is the destination address valid (e.g., unicast; not net 0 or 127) */ if (!rip_destination_check(rte->prefix)) { |