[U-Boot-Users] ARP Retries

[Pantelis Antoniou]

Raghu wrote:

>Dear All,
>
>I am observig this on u-boot 0.3.0 I have a the
>following setup
>
>MPC8245 based board with Intel 82559ER ethernet
>controller.
>
>I am using the "tftpload" command to load a file from
>the tftpserver. But if I type a wrong filename its
>reports a TFTP_ERROR as "File not Found". 
>
>And for the very next "tftpload" command with a
>correct file name it make ARP broadcast and loads the
>file only after the 5 th retry. 
>
>I am attaching the sequence of comands I am running. 
>Is this a feature or a bug :-) ??
>****************************************************
>=> version 
>
>U-Boot 0.3.0 (May 30 2003 - 11:29:53)
>=> printenv
>baudrate=38400
>clocks_in_mhz=1
>hostname=F-30
>con_conf=console=ttyS0,38400
>bootcmd=bootm 0xffc00000
>bootdelay=5
>bootargs=root=/dev/ram rw
>stdin=serial
>stdout=serial
>stderr=serial
>filesize=100ace
>gatewayip=10.208.1.1
>ipaddr=10.208.1.247
>serverip=10.208.1.139
>netmask=255.255.255.0
>
>Environment size: 279/4092 bytes
>=> tftpload 1000000 uImageTest 
>ARP broadcast 1
>TFTP from server 10.208.1.139; our IP address is
>10.208.1.247
>Filename 'uImageTest'.
>Load address: 0x1000000
>Loading:
>#######################################################done
>Bytes transferred = 1051342 (100ace hex)
>
>=> tftpload 2000000 abc
>ARP broadcast 1
>TFTP from server 10.208.1.139; our IP address is
>10.208.1.247
>Filename 'abc'.
>Load address: 0x2000000
>Loading: *
>TFTP error: 'File not found' (1)
>Starting again
>
>ARP broadcast 1
>
>Abort
>=> tftpload 2000000 ramdisk_test
>ARP broadcast 1
>ARP broadcast 2
>ARP broadcast 3
>ARP broadcast 4
>ARP broadcast 5
>
>Retry count exceeded; starting again
>ARP broadcast 1
>TFTP from server 10.208.1.139; our IP address is
>10.208.1.247
>Filename 'ramdisk_test'.
>Load address: 0x2000000
>Loading:
>###########################################################################################
>done
>Bytes transferred = 4509481 (44cf29 hex)
>=> 
>*****************************************************
>
>
>Warm reagrds,
>Raghu
>
>
>
>
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>
Are you on a switch or a hub?

If you are on a switch it is possible for the switch to take some
time to "learn" your MAC address if you have spanning tree activated.

If you have access to the switch disable the spanning tree algorithm.

Regards

Pantelis