RE: getting link-layer addr of unknown interface

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On Tue, 11 Dec 2001, Daniel Bergqvist wrote:
> Yes, run the command:
> 
> ip addr
> 
> See http://defiant.coinet.com/iproute2/ and
> http://defiant.coinet.com/iproute2/ip-cref/ for more info.

ip addr is for ip or ipv6. I was looking for link layer addresses. Maybe 
i should have mentioned that in the subject line before.

Maybe 'ip link' is what i am looking for. I just glanced at the code.

So does
  ioctl(s, SIOCGIFINDEX, &ifr)
get the list of all interfaces ???

Let me rephrase my requirement.

I should be able to get the link-layer address of an interface by 
specifying the interface name ie. eth0, eth1 etc.
(mac address for ethernet)

And this interface might not have an ip address when i do this.

Thanks & Regards,
Amit

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