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Date:      Wed, 22 Oct 1997 19:20:34 -0700 (PDT)
From:      Doug White <dwhite@gdi.uoregon.edu>
To:        Mark Stout <mcs@vpm.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: HELP: Example of aliased IP error messages
Message-ID:  <Pine.BSF.3.96.971022191935.1736D-100000@gdi.uoregon.edu>
In-Reply-To: <3.0.1.32.19971017131719.00c1cc10@vpm.com>

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On Fri, 17 Oct 1997, Mark Stout wrote:

> I need help in fixing the following errors.  I'm using 2.2.1 from the
> subscription CD that was used to upgrade a 2.1.5R machine.  I've installed
> this CD on two other machines with no problems, but this one machine is
> having alot of problems.  
> 
> Here's what I get when I enter the following command:
>    spunky:[2]#ifconfig de0 alias 209.60.152.110 netmask 255.255.255.255
> 
> Here's the output from a remote machine pinging this aliased IP address
> fm1: {18} ping 209.60.152.110
>  PING 209.60.152.110 (209.60.152.110): 56 data bytes
>  64 bytes from 209.60.152.110: icmp_seq=0 ttl=255 time=0.468 ms
>  64 bytes from 209.60.152.110: icmp_seq=1 ttl=255 time=1.039 ms
>  64 bytes from 209.60.152.110: icmp_seq=2 ttl=255 time=0.439 ms
> 
> So it can be pinged from a remote system.  Now, here it is on the same
> pmachine that has the aliased IP adddress
> spunky:[3]#
>  PING 209.60.152.110 (209.60.152.110): 56 data bytes
> 
> 
> Now, can someone tell me why these are occuring and how I can fix them?

I've seen this happen on other IP aliased machines.  I need to experiment
with this myself, but I just though that perhaps the loopback interface
routes are interfereing with this.

> -------------------------------
> Contents from /var/log/syslog
> -------------------------------
> Oct 17 13:03:38 spunky /kernel: 
>    arpresolve: can't allocate llinfo for 209.60.152.110
> Oct 17 13:03:38 spunky routed[56]: 
>    write(rt_sock) RTM_ADD 209.60.152.216/32 --> 209.60.152.216: 
>    Can't assign requested address
> Oct 17 13:03:39 spunky /kernel: 
> Oct 17 13:03:43 spunky /kernel: arp_rtrequest: bad gateway value

This is definitely routing.  Try killing routed if you aren't using it.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major





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