hi, there!
> Same here. My -CURRENT system is replying to those ARP request which carry
> 0.0.0.0 as sender IP address:
>
> 14:43:33.706099 arp who-has 158.227.48.193 (ff:ff:ff:ff:ff:ff) tell 0.0.0.0
> 14:43:33.706152 arp reply 0.0.0.0 is-at 0:d0:b7:3e:a0:fb
>
> > I think this is because I have an interface that is up and has NO IP
> > address:
>
> I don't think so:
>
> # ifconfig -a
> fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> inet 158.227.6.52 netmask 0xffffff00 broadcast 158.227.6.255
> inet6 fe80::2d0:b7ff:fe3e:a0fb%fxp0 prefixlen 64 scopeid 0x1
> inet6 fec0::9ee3:634 prefixlen 120
> ether 00:d0:b7:3e:a0:fb
> media: Ethernet autoselect (100baseTX <full-duplex>)
> status: active
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> inet6 ::1 prefixlen 128
> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
> inet 127.0.0.1 netmask 0xff000000
>
> Something is broken in the ARP implementation of -CURRENT.
please try this patch (provided by jlemon)
Index: if_ether.c
===================================================================
RCS file: /ncvs/src/sys/netinet/if_ether.c,v
retrieving revision 1.85
diff -u -r1.85 if_ether.c
--- if_ether.c 2001/10/17 18:07:05 1.85
+++ if_ether.c 2001/10/19 15:38:07
@@ -593,10 +593,12 @@
isaddr.s_addr == ia->ia_addr.sin_addr.s_addr)
goto match;
/*
- * No match, use the first address on the receive interface
+ * No match, use the first inet address on the receive interface
* as a dummy address for the rest of the function.
*/
- ifa = TAILQ_FIRST(&ifp->if_addrhead);
+ TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link)
+ if (ifa->ifa_addr && ifa->ifa_addr->sa_family == AF_INET)
+ break;
if (ifa == NULL) {
m_freem(m);
return;
/fjoe
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