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<DIV dir=ltr align=left><SPAN class=164354814-19112008><FONT face="Lucida Sans"
color=#0000ff size=2>Option 150 is specific to Cisco devices so I'm not
surprised it's not in the DHCP RFC.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=164354814-19112008><FONT face="Lucida Sans"
color=#0000ff size=2>Setting a hostname there should work as long as the phone
is able to resolve it correctly. </FONT></SPAN></DIV>
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<P><FONT size=2>-Ryan </FONT></P>
<DIV> </DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] <B>On Behalf Of
</B>FrogOnDSCP46EF<BR><B>Sent:</B> Tuesday, November 18, 2008 10:01
PM<BR><B>To:</B> cisco-voip@puck.nether.net<BR><B>Subject:</B> [cisco-voip] Can
we resolve tftp option 150 via a DNS lookup<BR></FONT><BR></DIV>
<DIV></DIV>Have anyone tried DNS server instead of Array to achieve
redundancy?<BR><BR>Let's say we've 2 x TFTP server for redundancy
purpose.<BR>TFTP1 - <A href="http://1.1.1.1">1.1.1.1</A><BR>TFTP2- <A
href="http://1.1.1.2">1.1.1.2</A><BR><BR>normally TFTP redundancy is achieved by
creating Array in DHCP. Put both TFTP server ip address in the DHCP.<BR>array:
<A href="http://10.1.1.1">10.1.1.1</A> <A
href="http://10.1.1.2">10.1.1.2</A><BR><BR>Instead of putting those IP address
in the array in DHCP config can I put one DNS like name?<BR><BR>Array:
tftp1tftp2 or <A href="http://tftp.cisco.com">tftp.cisco.com</A><BR>In DNS - <A
href="http://tftp.cisco.com">tftp.cisco.com</A> has 2 hosts associated to it
e.g. <A href="http://10.1.1.1">10.1.1.1</A> and 10.1.1.2-- <BR><BR>The DHCP RFC
tells that ICMP is the one which finds out TFTPS erver's subnet but no mention
about DNS address for option 150.<BR><BR><BR>Smile, you'll save someone else's
day!<BR>Frog<BR></BODY></HTML>