Re: RFC 1877 (IPCP Extensions for DNS)

[Matt Jerdonek <maj1224 at yahoo dot com>]

Andrew,

The attached patch now allows the DNS negotiation to
be configurable as you described.

However, can you please reconsider allowing the new
function?  I'd like to keep it for the following
reasons:
1) It allows the application to see the negotiatied
address.  We display the address to the user of our
product.

2) Having PPP invoke cyg_dns_res_init limits the
application's flexibility.  For example, we have both
an ethernet port and PPP port active simultaneously. 
We don't want to start using the PPP DNS address if
the ethernet DNS address is still good.

3) It provides an extensible mechanism to get the
negotiated values from the PPP stack.  For example,
it's a very simple way to get the local and peer IP
address.  Also, if someone wants to enable the other
aspects of RFC1877, it could be used for those
addresses as well.

Thanks,
-- Matt


--- Andrew Lunn <andrew@lunn.ch> wrote:

> Could you make this configurable please. Maybe
> something like
> CYGPKG_PPP_NS_NEGOTIATE which has a default value of
> CYGINT_ISO_DNS.
>  
> The DHCP/BOOTP code does this differently. It
> automatically passes the
> address of the DNS server to the DNS client. See
> bootp_support.c:559.
> Could the ppp code do the same?
> 
>         Thanks
>                 Andrew
> 


		
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Attachment: rfc1877_1.pat
Description: 1965913308-rfc1877_1.pat