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Date:      Fri, 17 Aug 2001 12:37:18 -0400
From:      "Marius Kirschner" <marius@agoron.com>
To:        "Gabriel Ambuehl" <gabriel_ambuehl@buz.ch>, <questions@FreeBSD.ORG>
Subject:   RE: Host unable to  ping/access its own IPs
Message-ID:  <NEBBKGPPOLDBPJPLMKDIMEFCGHAA.marius@agoron.com>
In-Reply-To: <46156460848.20010817183039@buz.ch>

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I have the same problem with a FreeBSD box.  I can access/ping the IP/domain
from anywhere but the box that is hosting it.  I've been pulling my hair for
over a week now trying to figure out what's going on.  Strangely it only
affects one IP while all others are working just fine.

---Marius

> -----Original Message-----
> From: owner-freebsd-questions@FreeBSD.ORG
> [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Gabriel Ambuehl
> Sent: Friday, August 17, 2001 12:31 PM
> To: questions@FreeBSD.ORG
> Subject: Host unable to ping/access its own IPs
>
>
> -----BEGIN PGP SIGNED MESSAGE-----
>
> Hello questions,
> I've there got a REALLY strange problem with one of my servers:
> rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         inet XXX.YY.62.126 netmask 0xfffffff8 broadcast 195.49.62.127
>         inet6 fe80::200:e8ff:feec:aaa8%rl0 prefixlen 64 scopeid 0x1
>         inet XXX.YY.33.19 netmask 0xffffff80 broadcast 195.49.33.127
>         inet XXX.YY.62.125 netmask 0xfffffff8 broadcast 195.49.62.127
>         inet XXX.YY.33.29 netmask 0xffffff80 broadcast 195.49.33.127
>         ether 00:00:e8:ec:aa:a8
>         media: Ethernet autoselect (100baseTX <full-duplex>)
>         status: active
> lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
> faith0: flags=8000<MULTICAST> mtu 1500
> gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif1: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif2: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif3: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
>         inet6 ::1 prefixlen 128
>         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x8
>         inet 127.0.0.1 netmask 0xff000000
> ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
> sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552
>
>
> Now from localhost, I can ping .126 and .19 but not .125 or .29:
>
> root@gamma 18:20:40 ~/scripts # ping XXX.YY.62.126
> PING 1XXX.YY.62.126 (XXX.YY.62.126): 56 data bytes
> 64 bytes from XXX.YY.62.126: icmp_seq=0 ttl=64 time=0.089 ms
> 64 bytes from XXX.YY.62.126: icmp_seq=1 ttl=64 time=0.055 ms
>
> root@gamma 18:23:01 ~/scripts # ping XXX.YY.33.29
> PING XXX.YY.62.125 (XXX.YY.33.29): 56 data bytes
> ping: sendto: Host is down
> ping: sendto: Host is down
>
> (the same goes for the other two IPs).
>
> Now a host on the same switch is able to ping all FOUR IPs:
> root@alpha 18:25:01 ~ $  ping XXX.YY.33.29
> PING XXX.YY.33.29 (XXX.YY.33.29): 56 data bytes
> 64 bytes from XXX.YY.33.29: icmp_seq=0 ttl=64 time=0.358 ms
> 64 bytes from XXX.YY.33.29: icmp_seq=1 ttl=64 time=0.178 ms
> 64 bytes from XXX.YY.33.29: icmp_seq=2 ttl=64 time=0.171 ms
>
>
> This machine is running on FreeBSD  4.3-STABLE FreeBSD 4.3-STABLE
> #13:
> Tue Jul 10 21:59:49 CEST 2001     root@gamma:/mnt/a/obj/usr/src/sys/
>
>
> WTF is going on here??
>
>
>
>
>
>
>
>
> Best regards,
>  Gabriel
> 
>
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>
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