[cisco-voip] Can we resolve tftp option 150 via a DNS lookup

[Wes Sisk]

Option 150 is in the enterprise specific range for dhcp options.
for redundancy simply make option 150 be an array of ip addresses.

otherwise, use dns CiscoCM1:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/7_0_1/ccmsys/a02tftp.html#wp1023004

/Wes

On Tuesday, November 18, 2008 10:00:55 PM, FrogOnDSCP46EF 
<ciscoboy2006 at gmail.com> wrote:
> Have anyone tried DNS server instead of Array to achieve redundancy?
>
> Let's say we've 2 x TFTP server for redundancy purpose.
> TFTP1 - 1.1.1.1 <http://1.1.1.1>
> TFTP2- 1.1.1.2 <http://1.1.1.2>
>
> normally TFTP redundancy is achieved by creating Array in DHCP. Put 
> both TFTP server ip address in the DHCP.
> array: 10.1.1.1 <http://10.1.1.1> 10.1.1.2 <http://10.1.1.2>
>
> Instead of putting those IP address in the array in DHCP config can I 
> put one DNS like name?
>
> Array: tftp1tftp2 or tftp.cisco.com <http://tftp.cisco.com>
> In DNS - tftp.cisco.com <http://tftp.cisco.com> has 2 hosts associated 
> to it e.g. 10.1.1.1 <http://10.1.1.1> and 10.1.1.2--
>
> 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.
>
>
> Smile, you'll save someone else's day!
> Frog
> ------------------------------------------------------------------------
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>   

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20081120/70b657d5/attachment-0001.html>