Re: attached gateways
Re: attached gateways
- Subject: Re: attached gateways
- From: Chase <email@hidden>
- Date: Tue, 21 Jun 2005 08:05:16 -0500
kinda broke. buying a book isn't an option for me at the moment,
unfortunately.
can you point me to something available online?
thanks.
- chase
On Jun 21, 2005, at 7:56 AM, Peter Lovell wrote:
On Tue, Jun 21, 2005, Chase <email@hidden> wrote:
How can I found out (in C or at the commandline) what the gateway
address is that is attached to a particular interface on a multihomed
system?
If en0 is attached to one gateway and en1 to another, how can I get
the address of each unique gateway at will?
In other words, how would I answer the following question: "What is
the address of the gateway G(X) attached to interface X ?"
I need to know the C calls, but if all you know is how to do it at
the commandline, that will work, since I can look up the code for
that tool in the Darwin CVS tree.
That said, if you know both ways, of course the C way would be a
shorter path for me to take.
Thanks in advance for the help.
- Chase
Have a look at Unix Network Programming, Vol 1 3rd ed (Stevens)
chapters
17 and 18.
Mac OS X uses the sysctl mechanism described (with example code) in
there.
Regards.....Peter
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