Re: usb ethernet issues
Re: usb ethernet issues
- Subject: Re: usb ethernet issues
- From: Peter Sichel <email@hidden>
- Date: Wed, 29 Apr 2009 13:52:27 -0400
On Apr 29, 2009, at 12:18 PM, Howard Shere wrote:
I am working with a usb ethernet device and I am having 2 issues.
The driver has been supplied by the vender and I am using their
private API to configure the device and make the connection to the
network.
1)
Once my configuration and authentication exchange is done, the enX
interface will get an IP address. If I type "ifconfig" in the
terminal I can see that it has an IP address and a gateway address
and I can ping the gateway IP address. If I then launch safari (or
another internet application) I cannot make use of the interface
until about 1 minute passes.
After 1 minute I can browse normally and everything works.
If your interface has an IP address and you can ping through that
interface to a next hop gateway, that suggests the underlying IP
connectivity is established. There are two more pieces in the
configuration puzzle:
(1) What is the default route or "router address" as determined by the
network service order?
(2) What is the DNS configuration, or what DNS server is used to
lookup host names you type into Safari?
What is causing this delay and is there anything I can do from my
application to make the rest of the OS see the IP address that
ifconfig sees?
Are you using the System Configuration Framework to tell Mac OS X you
have a new Ethernet service, or waiting for Mac OS X to notice?
2)
The 2nd issue is that if the current location has no ethernet
service defined, my usb ethernet interface will never get an IP.
This suggests you are not yet creating a network service for the
interface you are adding at the BSD layer. Perhaps others can say
more about this.
- Peter
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