Can you ping 4.2.2.1 (your nameserver) on each board?
If not check the routing tables on each board. They may be different.
On Tue, 6 Dec 2011, richw42 wrote:
> I'm confused. I have two TS-7250s that don't seem to
> be acting the same. As far as I know, they both have original
> firmware. The first one acts as I expect:
>
> 50:/root # ifconfig | head -2
> eth0 Link encap:Ethernet HWaddr 00:D0:69:40:3D:DF
> inet addr:192.168.1.50 Bcast:192.168.255.0 Mask:255.255.255.0
> 50:/root # cat /etc/resolv.conf
> search ts-local.net
> nameserver 4.2.2.1
> 50:/root # cat /etc/hosts
> 127.0.0.1 localhost localhost
> 192.168.1.50 ts0
> 192.168.1.51 ts1
> 50:/root # ping ts1
> PING ts1 (192.168.1.51): 56 data bytes
> 64 bytes from 192.168.1.51: icmp_seq=0 ttl=64 time=0.0 ms
> 64 bytes from 192.168.1.51: icmp_seq=1 ttl=64 time=0.0 ms
> ...
>
> The second seems to have a resolver problem:
>
> 51:/root # ifconfig | head -2
> eth0 Link encap:Ethernet HWaddr 00:D0:69:44:34:B0
> inet addr:192.168.1.51 Bcast:192.168.255.0 Mask:255.255.255.0
> 51:/root # cat /etc/resolv.conf
> search ts-local.net
> nameserver 4.2.2.1
> 51:/root # cat /etc/hosts
> 127.0.0.1 localhost localhost
> 192.168.1.50 ts0
> 192.168.1.51 ts1
> 51:/root # ping ts0
> ping: ts0: Unknown host
> 51:/root #
>
> but of course
>
> 51:/root # ping 192.168.1.50
> PING 192.168.1.50 (192.168.1.50): 56 data bytes
> 64 bytes from 192.168.1.50: icmp_seq=0 ttl=64 time=0.0 ms
> 64 bytes from 192.168.1.50: icmp_seq=1 ttl=64 time=0.0 ms
> ...
>
> What else do I need to look at to figure out why the
> second unit can't resolve names from /etc/hosts?
>
> Ah, here is a difference: They have different
> kernels:
>
> 50:/root # uname -a
> Linux ts7200 2.4.26-ts9 #151 Mon Feb 13 16:01:46 MST 2006 armv4l unknown
>
> 51:/root # uname -a
> Linux ts7200 2.4.26-ts11 #22 Tue Jun 6 12:23:09 MST 2006 armv4l unknown
>
> but that shouldn't have anything to do with it?
>
>
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