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Date:      Wed, 16 May 2001 14:19:23 -0400
From:      Vivek Khera <khera@kcilink.com>
To:        David Greenman <dg@root.com>
Cc:        stable@freebsd.org
Subject:   Re: dual fxp ethernet, one doesn't "work"
Message-ID:  <15106.50347.534535.371112@onceler.kciLink.com>
In-Reply-To: <20010516110005.B19893@nexus.root.com>
References:  <15105.44534.131385.573668@onceler.kciLink.com> <x78zjx9oww.fsf@onceler.kciLink.com> <20010516104821.A19893@nexus.root.com> <15106.49026.452840.353024@onceler.kciLink.com> <20010516110005.B19893@nexus.root.com>

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>>>>> "DG" == David Greenman <dg@root.com> writes:


DG>    We'll need the same output from the other machines involved as well.


Ok... three machines specified below.

the *-prv names refer to the 192.168.100 net, the regular names are
the 192.168.200 net.

m02 is the problem host.  It can ping/nfs mount/etc from lorax (de0),
but not from lorax-prv (sis0).  d01-prv (fxp0) can ping/nfs mount/etc
from lorax-prv (sis0).

The curious thing is that m02-prv (fxp1) sees the traffic from d01-prv
to lorax-prv, but just can't reply to any of it.  When I send traffic
via m02-prv (fxp1) I see the blinky light on the hub indicating
traffic on that port; it just doesn't show up anywhere else under
tcpdump.


lorax:

[lorax]% netstat -rna
Routing tables

Internet:
Destination        Gateway            Flags     Refs     Use     Netif Expire
default            192.168.200.2      UGSc        3        0      de0
127.0.0.1          127.0.0.1          UH          2       52      lo0
192.168.100        link#2             UC          0        0     sis0 =>
192.168.100.128    0:b0:d0:e1:4d:76   UHLW        1       87     sis0    725
192.168.200        link#1             UC          0        0      de0 =>
192.168.200.2      0:2:e3:4:14:6      UHLW        5      166      de0    889
192.168.200.65     0:b0:d0:e1:34:de   UHLW        0        1      de0    664
204.117.82.15      192.168.200.2      UGHW3       0        4      de0   3067
216.194.193.105    192.168.200.2      UGHW3       0        8      de0   3070
216.194.193.106    192.168.200.2      UGHW        2        8      de0
[lorax]% ifconfig -a
de0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.200.200 netmask 0xffffff00 broadcast 192.168.200.255
        ether 00:00:f8:03:1e:19 
        media: 100baseTX status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP
sis0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.100.200 netmask 0xffffff00 broadcast 192.168.100.255
        ether 00:02:e3:15:61:04 
        media: autoselect (10baseT/UTP) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP none
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet 127.0.0.1 netmask 0xff000000 



m02:

[m02]% netstat -rna
Routing tables

Internet:
Destination        Gateway            Flags     Refs     Use     Netif Expire
127.0.0.1          127.0.0.1          UH          1       11      lo0
192.168.100        link#2             UC          0        0     fxp1 =>
192.168.200        link#1             UC          2        0     fxp0 =>
192.168.200.2      0:2:e3:4:14:6      UHLW        1       21     fxp0   1197
192.168.200.200    0:0:f8:3:1e:19     UHLW        0        7     fxp0    973
[m02]% ifconfig -a
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.200.65 netmask 0xffffff00 broadcast 192.168.200.255
        ether 00:b0:d0:e1:34:de 
        media: autoselect (100baseTX) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
fxp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.100.2 netmask 0xffffff00 broadcast 192.168.100.255
        ether 00:b0:d0:e1:34:df 
        media: autoselect (10baseT/UTP) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet 127.0.0.1 netmask 0xff000000 


d01-prv (only single-homed)

[d01]% netstat -rna
Routing tables

Internet:
Destination        Gateway            Flags     Refs     Use     Netif Expire
127.0.0.1          127.0.0.1          UH          2        8      lo0
192.168.100        link#1             UC          1        0     fxp0 =>
192.168.100.200    0:2:e3:15:61:4     UHLW        1       50     fxp0    996
[d01]% ifconfig -a
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.100.128 netmask 0xffffff00 broadcast 192.168.100.255
        ether 00:b0:d0:e1:4d:76 
        media: autoselect (10baseT/UTP) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet 127.0.0.1 netmask 0xff000000 



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