DHCP option 43

[Luis Fernando Lacayo]

WE use Option 43 for VOIP Phones.


Gobal options:

.........
option mitel-6 code 043 = text;
option mitel-5 code 125 = text;
option mitel-1 code 130 = text;
option mitel-2 code 129 = ip-address;
option mitel-3 code 128 = ip-address;
option mitel-4 code 124 = string;
.........


and the subnet definition

......
option mitel-6
"id:ipphone.mitel.com;sw_tftp=10.129.177.17;call_srv=10.129.224.148;dscp=46";
pool {
deny dynamic bootp clients;
allow unknown-clients;
range 10.132.66.21 10.132.66.230;
range 10.132.67.21 10.132.67.230;
.......






On Wed, 2008-08-06 at 13:24 +0000, Sivaraman, Radhakrishnan wrote:
> Hi all,
> 
>  
> 
> I have some doubts about ISC DHCP. Software version is 3.0.1.
> 
>  
> 
> 1)   Does ISC DHCP server sends “Vendor Specific Information” (DHCP
> option 43) as “encapsulated vendor specific option”? 
> 
> 2)   Based on what info DHCP client can identify that, whether the
> data following option code 43 is encapsulated or not?
> 
> 3)   If dhcpd.conf contains only one DHCP client configuration entity
> for one VCI (vendor class identifier), will it be encapsulated form or
> not?
> 
>  
> 
> I am really new to DHCP. All answers are greatly appreciated.
> 
>  
> 
> Thanks in advance,
> 
> Radhakrishnan S
> 
> 

-- 
Luis Fernando Lacayo
Chicago Public Schools
Senior Unix Administrator
ITS/ UNIX Infrastructure
Office: 773-553-3835
Cell: 773-203-4493
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