(moved to tech@)
On Thu, Jan 01, 2015 at 11:51:32AM -0600, Aaron Riekenberg wrote:
> I found some other reports of the same problem with rtadvd logging
> excessive messages about router advertisements on the external
> non-advertising interface.
>
> From OpenBSD 5.2:
> http://openbsd.7691.n7.nabble.com/Excessive-logging-by-rtadvd-td225936.html
>
> From m0n0wall (aka FreeBSD), also seeing a log message every 3 seconds with
> Comcast:
> http://www.dslreports.com/forum/r28132613-Odd-log-message
>
> I updated my rtadvd.c so it calls log_debug instead of log_info. This
> silences the logs for me and still works fine. Any chance this could get
> applied? Thanks.
No, we should drop the log altogether.
Note that section 6.2.7 of RFC2461 or the newer RFC 4861 have nothing
to say about router advertisments comming in on non-advertising
interfaces.
OK?
diff --git rtadvd.c rtadvd.c
index 6da308e..6dab21e 100644
--- rtadvd.c
+++ rtadvd.c
@@ -810,13 +810,9 @@ ra_input(int len, struct nd_router_advert *ra,
/*
* RA consistency check according to RFC-2461 6.2.7
*/
- if ((rai = if_indextorainfo(pi->ipi6_ifindex)) == 0) {
- log_info("received RA from %s on non-advertising interface(%s)",
- inet_ntop(AF_INET6, &from->sin6_addr, ntopbuf,
- INET6_ADDRSTRLEN),
- if_indextoname(pi->ipi6_ifindex, ifnamebuf));
- goto done;
- }
+ if ((rai = if_indextorainfo(pi->ipi6_ifindex)) == NULL)
+ goto done; /* not our interface */
+
rai->rainput++; /* increment statistics */
/* Cur Hop Limit value */
--
I'm not entirely sure you are real.
