RHEL6 - TFTP Timeout
Jignesh.Shah at emerson.com
Jignesh.Shah at emerson.com
Thu Jul 21 13:31:40 UTC 2011
Following is the response for your suggestion while tftp server & client are running, it seems that port is fine..
[root at localhost tftpboot]# lsof -i | grep tftp
xinetd 4094 root 5u IPv4 28956 0t0 UDP *:tftp
xinetd 4094 root 8u IPv4 28958 0t0 UDP *:tftp
tftp 7293 root 3u IPv4 41470 0t0 UDP *:38633
[root at localhost tftpboot]# netstat -an | grep udp
udp 0 0 0.0.0.0:38633 0.0.0.0:*
udp 0 0 0.0.0.0:5353 0.0.0.0:*
udp 0 0 0.0.0.0:875 0.0.0.0:*
udp 0 0 0.0.0.0:111 0.0.0.0:*
udp 0 0 0.0.0.0:2049 0.0.0.0:*
udp 0 0 155.101.91.255:137 0.0.0.0:*
udp 0 0 155.101.90.30:137 0.0.0.0:*
udp 0 0 0.0.0.0:137 0.0.0.0:*
udp 0 0 155.101.91.255:138 0.0.0.0:*
udp 0 0 155.101.90.30:138 0.0.0.0:*
udp 0 0 0.0.0.0:138 0.0.0.0:*
udp 0 0 0.0.0.0:44305 0.0.0.0:*
udp 0 0 0.0.0.0:38172 0.0.0.0:*
udp 0 0 0.0.0.0:800 0.0.0.0:*
udp 0 0 0.0.0.0:676 0.0.0.0:*
udp 0 0 0.0.0.0:48438 0.0.0.0:*
udp 0 0 0.0.0.0:68 0.0.0.0:*
udp 0 0 0.0.0.0:69 0.0.0.0:*
udp 0 0 0.0.0.0:69 0.0.0.0:*
udp 0 0 0.0.0.0:48483 0.0.0.0:*
udp 0 0 :::111 :::*
udp 0 0 :::676 :::*
udp 0 0 :::54458 :::*
udp 0 0 :::34505 :::*
Best Regards,
Jignesh Shah
-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com] On Behalf Of Georgios Magklaras
Sent: Thursday, July 21, 2011 9:17 AM
To: General Red Hat Linux discussion list
Subject: Re: RHEL6 - TFTP Timeout
On 07/21/2011 01:45 PM, Jignesh.Shah at emerson.com wrote:
> Hi Amit,
>
> Thanks for the response.
>
> To verify the ports, I already performed TFTP data transfer between TFTP Server running on windows machine and TFTP client running on Linux machine successfully.
>
> So I believe port is not blocked. Still, I can verify...
If IPTABLES (or other routing/firewall issue) is not blocking access to
UDP port 69, when you start the TFTP server on Linux, does it really
listen to the port (if you issue a netstat -an, do you see something on
udp, also lsof -i | grep tftp)?'
GM
--
--
George Magklaras PhD
RHCE no: 805008309135525
Senior Systems Engineer/IT Manager
Biotek Center, University of Oslo
EMBnet TMPC Chair
http://folk.uio.no/georgios
Tel: +47 22840535
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