On Tue, Mar 07, 2006 at 01:11:42PM +1100, Nik Lam wrote:
> I'm not sure if what I'm seeing is an artefact of me doing something
> unusual with my design or if there is a bug in if_bridge.
>
> I'm dividing my LAN into two parts using a pair of intel pro 1000 (em)
> interfaces in an if_bridge bridge. I've configured this bridge with STP
> (802.1d) although I don't think this should be the cause of the
> problem. On the same host which is doing the bridging, I've got another
> interface (fxp0) which is configured "normally", i.e. it has an IP
> address on the subnet which the bridge divides.
>
> Generally this setup works fine, however every now and then I find that
> the bridge is answering ARP who-has queries for the IP address assigned
> to fxp0.
Can you try this patch.
cheers,
Andrew
Index: if_ether.c
===================================================================
RCS file: /home/ncvs/src/sys/netinet/if_ether.c,v
retrieving revision 1.150
diff -u -p -r1.150 if_ether.c
--- if_ether.c 31 Jan 2006 21:29:41 -0000 1.150
+++ if_ether.c 7 Mar 2006 02:52:42 -0000
@@ -631,7 +631,7 @@ in_arpinput(m)
* XXX: This is really ugly!
*/
LIST_FOREACH(ia, INADDR_HASH(itaddr.s_addr), ia_hash) {
- if (((bridged && ia->ia_ifp->if_type != IFT_BRIDGE) ||
+ if (((bridged && ia->ia_ifp->if_bridge != NULL) ||
(ia->ia_ifp == ifp)) &&
itaddr.s_addr == ia->ia_addr.sin_addr.s_addr)
goto match;
@@ -645,7 +645,7 @@ in_arpinput(m)
#endif
}
LIST_FOREACH(ia, INADDR_HASH(isaddr.s_addr), ia_hash)
- if (((bridged && ia->ia_ifp->if_type != IFT_BRIDGE) ||
+ if (((bridged && ia->ia_ifp->if_bridge != NULL) ||
(ia->ia_ifp == ifp)) &&
isaddr.s_addr == ia->ia_addr.sin_addr.s_addr)
goto match;
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