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Re: [microblaze-uclinux] Problems with networking
Hansen Eric wrote:
> /bin> ifconfig -a
> eth0 Link encap:Ethernet HWaddr 00:00:C0:A3:E5:44
> inet addr:192.168.0.242 Bcast:192.168.0.255
> UP BROADCAST RUNNING MTU:1500 Metric:1
> RX packets:3629 errors:0 dropped:0 overruns:0 frame:0
> TX packets:240 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:100
> That seems to be quite promising.
Yes, it looks reasonable. You have the same MAC address as my
microblaze board, but that won't be a problem! :) (It's currently hard
coded into drivers/net/xilinx_emac/adapter.c)
> After a several tests with different
> options I started tcpdump on my microblaze, with quite an interesing
> This is what pin says:
> PING 192.168.0.1 (192.168.0.1): 56 data bytes
> Ans the interesting line from tcpdump:
> 01:14:30.350000 arp who-has 192.168.0.1 tell 188.8.131.52
> As you might already have noticed in the output from ifconfig above,
> the IP address of my microblaze system is supposed to be 192.168.0.242.
> Not 184.108.40.206. Somehow the address is mixed up. At least the
> last 2 bytes seem recognizable, althoug I would expect them at the
> beginning of the IP address. I think I will have to dig deeper into
> that topic. Any useful hints will be greatly appreciated.
hmmm that is strange... can you ping to microblaze from a different host?
what if you run tcpdump on your linux host, then try to ping to/from
microblaze? I haven't run tcpdump on microblaze before, so I can't
guarantee that it will work as expected. It is supported for uclinux
generally, but you never know...
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