Re: How do you display the IP Address?
Re: How do you display the IP Address?
- Subject: Re: How do you display the IP Address?
- From: Deivy Petrescu <email@hidden>
- Date: Fri, 28 Aug 2009 08:48:12 -0400
On Aug 28, 2009, at 8:37 AM, Mark J. Reed wrote:
Sounds like the system info value is somewhat random and unreliable,
then...
Agreed!
On 8/28/09, Emmanuel LEVY <email@hidden> wrote:
On Aug 27, 2009, at 5:52 PM, Deivy Petrescu wrote:
On Aug 26, 2009, at 4:27 PM, Emmanuel LEVY wrote:
On Aug 26, 2009, at 5:37 PM, Mark J. Reed wrote:
Then probably your primary IP address isn't the one on the en0
interface. OMM en0 is wired Ethernet and en1 is wireless and I'm
using
wireless, so (IPv4 address of (system info)) returns the same
result
as `ipconfig getifaddr en1`.
I could be using both; a system can have more than one IP address.
Not sure what system info returns in that case.
I checked on a machine with 3 Ethernet addresses: 2 public
addresses and one local address.
- IPv4 address of (system info) prudently returns... missing value,
- ipconfig getifaddr en0 returns one of the public addresses,
- ipconfig getifaddr en1 returns the local address.
Not that I would need to, but I don't know how to grab the second
public address.
Emmanuel
It is strange that you have a missing value.
I assume you have a MacPro, the first ethernet is the WAN link, so
it displays the wan IP.
Not a MacPro, a XServe. And I confirm it has two WAN IP: 91.199.0.247
and 91.199.0.251.
It is probably the server so it shares the the WAN IP via en1 the
second ethernet port (the LAN IP).
May be your "missing value" is returned when the Mac is the server
for the LAN.
Still, it should have returned something else...
Not that it makes things clearer, but I tested on another machine in
the same LAN, which has only one WAN IP and one LAN IP, and IPv4
address of (system info) wittily returns... 127.0.0.1.
Emmanuel
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