Date: Wed, 06 May 1998 13:06:39 -0600 From: Clod Baldrick <baldrick@rmsq.com> To: Andrew Short <Ashort@concentric.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Bizarre routing problem Message-ID: <3550B4BF.4FB981D@rmsq.com> References: <Pine.SUN.3.96.980506145529.1465H-100000@viking.cris.com>
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Thanks for the suggestion, Andrew.
Andrew Short wrote:
> Help more....need the ifconfig of the interfaces that are trying to talk
> to each other. As a blind guess, make sure they have the same subnet mask
> AND broadcast address, because the broadcast address is both the send and
> receive address for the arp that goes out when you ping an address onthe
> same subnet. If an interface isn't listening on the right broadcast
> address, it will go right over the interface and never see that it is
> being pinged.
Yep, that was one of the things I thought of.
FreebSD:
tomcat$ ifconfig ed2
ed2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 130.13.21.92 netmask 0xffffff00 broadcast 130.13.21.255
ether 00:c0:0c:b0:5e:92
Linux:
lancaster$ ifconfig eth0
eth0 Link encap:10Mbps Ethernet HWaddr 00:A0:24:72:12:A7
inet addr:130.13.21.91 Bcast:130.13.21.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1330492 errors:65 dropped:65 overruns:0
TX packets:3378032 errors:0 dropped:0 overruns:0
Interrupt:3 Base address:0x360
(BTW: as far as I can tell, the 65 error/dropped packets on this interface
are packets that I've sent from tomcat.)
Regards.
--
Clod Baldrick
RMS, Longmont CO
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